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Sexual Precocity in a 16-Month-Old
8 {+ g, M6 Z  [8 z: ZBoy Induced by Indirect Topical
+ v- S/ P3 `8 x# j2 P& KExposure to Testosterone
' r5 b* U" i4 ]4 ]" _Samar K. Bhowmick, MD, FACE,1 Tracy Ricke, MD,2/ ?% `7 |, U" j2 ^% c4 M
and Kenneth R. Rettig, MD1
# N& E* B( a9 P/ S/ PClinical Pediatrics1 X9 w1 o! Z- Q
Volume 46 Number 6  B# u  r4 f3 F! }9 v4 H' E
July 2007 540-543
7 f4 x  j5 m; d" r/ Y( v© 2007 Sage Publications2 q* n, \5 U0 L  n, M  S9 o- h. `
10.1177/0009922806296651
7 @; I6 Y1 c0 Y! i4 p: Z* O5 Yhttp://clp.sagepub.com
3 H4 O% F, R, ~) X0 x) }hosted at! K# ^4 Y  P( B
http://online.sagepub.com
, @+ V: Q( Y6 d  [# P# j( ]  sPrecocious puberty in boys, central or peripheral,
: E* U/ B, n7 b6 ~! z+ V9 E  Dis a significant concern for physicians. Central2 \" |5 z/ x- F1 {/ S* X9 Y. w
precocious puberty (CPP), which is mediated
2 w# L# ^/ {- |+ bthrough the hypothalamic pituitary gonadal axis, has
: T* J" z; ^; |9 I/ e( w; d& ?a higher incidence of organic central nervous system
; N# s$ b: [: _) A! H7 Hlesions in boys.1,2 Virilization in boys, as manifested
5 ~. z% ^2 z" v! ~! Bby enlargement of the penis, development of pubic4 m/ z# x3 i' Z; N8 p
hair, and facial acne without enlargement of testi-
6 d4 B) _: {" m. C( P9 kcles, suggests peripheral or pseudopuberty.1-3 We
- `3 T2 J8 ~1 ]. s  D3 ereport a 16-month-old boy who presented with the1 B+ {7 j* i/ z- k5 O  _! B: u  g
enlargement of the phallus and pubic hair develop-
8 y/ k# ^1 i0 d  x, Z9 L- gment without testicular enlargement, which was due
- A4 q+ s7 T5 M  _1 t2 lto the unintentional exposure to androgen gel used by
$ K" w7 j9 O" ?4 W! H; k  q, U1 G; Qthe father. The family initially concealed this infor-# E+ d" i- G) y& [. t
mation, resulting in an extensive work-up for this; Y$ |: \: D( ?- n' {5 D
child. Given the widespread and easy availability of
9 ?) A" a! k; K# q: v# h9 ktestosterone gel and cream, we believe this is proba-
% ?  {0 p$ I" S5 [7 D( Obly more common than the rare case report in the
+ l+ T5 ^2 I( K6 R* `  |literature.4% Q$ W7 r4 l' w5 @/ w8 x) g
Patient Report
. Z/ I( l0 l  s! ^3 A8 KA 16-month-old white child was referred to the
7 [( g0 m5 W, b- Y( l& j1 S& Iendocrine clinic by his pediatrician with the concern
* V% L$ f3 ?( {4 U4 u9 xof early sexual development. His mother noticed2 ~% U# I( V9 ?8 \; x
light colored pubic hair development when he was: T! b% O8 w' n, }
From the 1Division of Pediatric Endocrinology, 2University of0 |- q6 ~* |  z% `5 j
South Alabama Medical Center, Mobile, Alabama.3 S3 X% S  J0 Y# p
Address correspondence to: Samar K. Bhowmick, MD, FACE,
. X: d1 t- F- B: z0 G! jProfessor of Pediatrics, University of South Alabama, College of
/ U2 X; K( \" y- C' v% KMedicine, 2451 Fillingim St. Mastin 212, Mobile, AL 36617-2297;, b3 }: ?2 K& c& c
e-mail: [email protected].: @/ A/ A  }( W& G' H3 z4 f6 E4 U7 `
about 6 to 7 months old, which progressively became  b& u% E9 d( N  B
darker. She was also concerned about the enlarge-9 M& D  y2 @: P% `( d0 x' @  ]: _/ A
ment of his penis and frequent erections. The child
( M( T, L0 W% b' k/ O  \) B8 h/ Awas the product of a full-term normal delivery, with, R# {9 D  t2 |3 r5 r
a birth weight of 7 lb 14 oz, and birth length of+ t1 j: S* ?3 h4 E" a: M- D
20 inches. He was breast-fed throughout the first year
0 ~, x2 s3 C( b% M' Cof life and was still receiving breast milk along with, _  d7 N3 N. X0 U9 p# _
solid food. He had no hospitalizations or surgery,
$ ?# j# o& h6 U/ X* @and his psychosocial and psychomotor development
9 u2 _/ _) `7 R: qwas age appropriate.
/ G3 a( s& x2 @4 W' a$ l0 S2 j: n* aThe family history was remarkable for the father,
7 ]2 O* F4 ?! _  {4 [2 [6 iwho was diagnosed with hypothyroidism at age 16,
# F$ T1 U* T. G0 o) Lwhich was treated with thyroxine. The father’s
0 c- h- c) U4 eheight was 6 feet, and he went through a somewhat2 K+ L9 e$ W5 h2 ]* U; S
early puberty and had stopped growing by age 14.) w- X* }* G' [! V3 c3 e' _2 V1 g1 ^
The father denied taking any other medication. The5 |# }% Q6 z# n1 a" V4 c/ l0 |" }
child’s mother was in good health. Her menarche6 Q3 c& Z. n/ R! ^2 B7 Y
was at 11 years of age, and her height was at 5 feet0 S% d  p: n- E$ x# l5 G
5 inches. There was no other family history of pre-6 x6 M: @/ F% d
cocious sexual development in the first-degree rela-
0 j) G3 W: w8 q) Wtives. There were no siblings.
0 ?- A5 t: W4 k/ Q0 v. J. J, Z& kPhysical Examination* R* P, c, Z# s! l9 \
The physical examination revealed a very active,0 V4 @1 f: p, }5 C: P- h  E$ t5 \
playful, and healthy boy. The vital signs documented
- \0 j) |$ R6 a; a  {0 Q5 Qa blood pressure of 85/50 mm Hg, his length was: Q; R9 F8 g- U" H
90 cm (>97th percentile), and his weight was 14.4 kg
% r2 z# x! r* V% H/ M* @(also >97th percentile). The observed yearly growth1 a2 X- V5 G) f7 L, h9 |
velocity was 30 cm (12 inches). The examination of: V2 f0 x1 e1 j6 C/ A
the neck revealed no thyroid enlargement.$ H. |$ C4 e& Z8 t, C
The genitourinary examination was remarkable for2 o) T3 r2 k. J) ]4 l* F% y
enlargement of the penis, with a stretched length of" E$ M1 w3 R+ T. q" B7 l
8 cm and a width of 2 cm. The glans penis was very well
# G: M% w( b1 c* Edeveloped. The pubic hair was Tanner II, mostly around+ q" {* e7 Q, A: B4 V
540
1 A% U( f' o8 v9 U' pat University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from6 j; f$ O- u: y% |- a6 W
the base of the phallus and was dark and curled. The
4 _' v% r8 f* q. U0 ~! C1 Q- `testicular volume was prepubertal at 2 mL each.8 z- ]! f+ |6 G1 e# L
The skin was moist and smooth and somewhat
8 X7 v% Z; t7 S" ~) I$ doily. No axillary hair was noted. There were no- ~8 C8 U  U! K
abnormal skin pigmentations or café-au-lait spots.
7 U: {. V: ^) O" E8 H% V4 RNeurologic evaluation showed deep tendon reflex 2+
3 q" ~# K' M5 f4 obilateral and symmetrical. There was no suggestion; K( U* k9 k: c) k' E& Q, v* @1 a
of papilledema.2 `3 h1 c1 W) f' c! g
Laboratory Evaluation
. e+ {5 I& [- X0 f, D' ~The bone age was consistent with 28 months by5 K' m% a$ q0 ^/ p  x: Y/ O6 C
using the standard of Greulich and Pyle at a chrono-
& x# E/ ]+ C& H. X( V: A1 ylogic age of 16 months (advanced).5 Chromosomal  w2 ^4 N4 o% O! m1 A# j
karyotype was 46XY. The thyroid function test+ w7 \2 E. P8 I' k
showed a free T4 of 1.69 ng/dL, and thyroid stimu-
+ R2 x1 w6 Z5 G! Plating hormone level was 1.3 µIU/mL (both normal).. [; ~  ]; ]4 L; O5 U( E  A
The concentrations of serum electrolytes, blood/ l. F6 h; l: a0 Q
urea nitrogen, creatinine, and calcium all were
5 `1 c2 q) u) J) q1 b6 M$ \within normal range for his age. The concentration
' b2 `6 U- g4 m% i& lof serum 17-hydroxyprogesterone was 16 ng/dL; Q5 Y2 M1 F$ I. y$ F
(normal, 3 to 90 ng/dL), androstenedione was 20) w5 X8 u# @& Y, X& t) r7 V) J
ng/dL (normal, 18 to 80 ng/dL), dehydroepiandros-8 U: [9 l  O! m& V6 l( A, B1 Z
terone was 38 ng/dL (normal, 50 to 760 ng/dL),
' @5 b' g$ O% U) U# K% [desoxycorticosterone was 4.3 ng/dL (normal, 7 to
, l& V& I! j) ]7 B. I0 E$ E49ng/dL), 11-desoxycortisol (specific compound S)
8 ^# b+ \3 Y* ?! C: Q9 a8 ]was 43 ng/dL (normal, 10 to 156 ng/dL), serum cor-
3 [* q- U: d: j5 ?* K' C. ^tisol was 7.6 µg/dL (normal, 2.8 to 23 µg/dL), total: a* H5 A2 t0 t" ]& y$ G0 Y
testosterone was 60 ng/dL (normal <3 to 10 ng/dL),9 g6 c( R9 r' N. N- X2 y  |
and β-human chorionic gonadotropin was less than+ S/ B8 ^" ?; t, t
5 mIU/mL (normal <5 mIU/mL). Serum follicular1 ?7 B% G$ k) A, B1 {- y  g6 K: L3 f
stimulating hormone and leuteinizing hormone( h9 S8 c: }8 c: d; z
concentrations were less than 0.05 mIU/mL/ \* w1 t, y# _" r1 f
(prepubertal).
8 n8 n) c& u: i" Q5 {( ?The parents were notified about the laboratory
4 ^. w4 Y8 @! Q7 k1 D/ r  f4 Presults and were informed that all of the tests were1 s7 g! n& ^* M# R, S
normal except the testosterone level was high. The
  f3 P) I  x( Q1 pfollow-up visit was arranged within a few weeks to
: b3 d* k0 F0 K5 J0 q% Iobtain testicular and abdominal sonograms; how-+ \1 _7 o) L+ s% e+ d
ever, the family did not return for 4 months.7 l5 n" E; v) K! |  e+ E5 |
Physical examination at this time revealed that the
3 [  `( R+ b0 E, {0 ?# U0 i/ Gchild had grown 2.5 cm in 4 months and had gained" R* _$ K& \* `7 X1 a9 Q' E
2 kg of weight. Physical examination remained
8 V8 o8 V5 k8 c9 ^5 Munchanged. Surprisingly, the pubic hair almost com-
2 {* W- K- }6 B. Jpletely disappeared except for a few vellous hairs at8 j% z" [: P; U; E
the base of the phallus. Testicular volume was still 2
% z( o! R# p& M) V: I- @4 F% ~( tmL, and the size of the penis remained unchanged.. r4 {6 X; G) ~" Q( R, ?7 ^& o/ g7 N
The mother also said that the boy was no longer hav-+ u$ @- U  Z* [! @+ [4 c- W2 p
ing frequent erections.
3 a4 K) q" c9 Y2 ~0 K5 ~7 @( ABoth parents were again questioned about use of) t  ]% ?, G4 L; N
any ointment/creams that they may have applied to
$ ?+ `% }: U# b7 i7 o5 Cthe child’s skin. This time the father admitted the
+ Q3 U5 P9 L4 R8 q6 M+ xTopical Testosterone Exposure / Bhowmick et al 541
" {: o8 ^3 P1 n0 X4 [use of testosterone gel twice daily that he was apply-6 ?% R  a9 R+ I9 ?% D( l( Y: b
ing over his own shoulders, chest, and back area for& N& o2 @- _5 {4 O
a year. The father also revealed he was embarrassed
# A9 u# b- ?. v" f+ }to disclose that he was using a testosterone gel pre-9 K1 O& t7 _4 X+ [* K$ U: v9 K
scribed by his family physician for decreased libido( u5 }! o& k0 E2 g2 [
secondary to depression.6 H4 z) F6 B6 `6 o
The child slept in the same bed with parents.0 S5 D# l: o1 s, C* l
The father would hug the baby and hold him on his
+ `9 a! M9 N% w0 i* o, L; c' `+ I: Ochest for a considerable period of time, causing sig-' n, q8 U8 f8 S2 p  G. v
nificant bare skin contact between baby and father.
) V" A% _  e7 e! X7 x( y& KThe father also admitted that after the phone call,
$ d9 L. C% |7 y  m6 gwhen he learned the testosterone level in the baby
9 {3 V+ A8 w  l* Twas high, he then read the product information" W$ W2 }: u& r9 a: P3 [, @
packet and concluded that it was most likely the rea-, `3 D& M& f+ _& @' x$ W; c1 a
son for the child’s virilization. At that time, they8 t1 N: m& `9 B- b. U) O
decided to put the baby in a separate bed, and the# Z6 s. N: I! o0 r$ \4 r: ~
father was not hugging him with bare skin and had0 {/ G& U0 m* h$ B
been using protective clothing. A repeat testosterone
- R+ u0 `5 G/ z/ Q& Htest was ordered, but the family did not go to the8 X* H# E* L% Q) C8 ]) G" _8 Z4 h, ?
laboratory to obtain the test.; x; u1 W0 Z/ ^. Q
Discussion
0 E6 }) d9 y% m7 ~. b7 i4 YPrecocious puberty in boys is defined as secondary( ]4 P& o* U$ e
sexual development before 9 years of age.1,4. H/ n1 K! E; I; j. \
Precocious puberty is termed as central (true) when
: K) i; Z  _1 a# E) X- X8 [it is caused by the premature activation of hypo-
  ]* A! ?6 O. x0 U4 t9 m' rthalamic pituitary gonadal axis. CPP is more com-# l- [7 |2 w4 H( O' g( b- b
mon in girls than in boys.1,3 Most boys with CPP0 O. C5 Z* W$ c
may have a central nervous system lesion that is
$ d# R; [" E( ^! Sresponsible for the early activation of the hypothal-3 N  q( h! D8 e! [, O" D
amic pituitary gonadal axis.1-3 Thus, greater empha-0 X4 K6 _- n; `
sis has been given to neuroradiologic imaging in
' D  S2 x" L; hboys with precocious puberty. In addition to viril-
# t, ]: u8 `2 {; m/ qization, the clinical hallmark of CPP is the symmet-
9 g5 A' i5 R1 [$ G/ C0 q9 r* Crical testicular growth secondary to stimulation by; c1 n) I" v% a7 B9 V* h# [1 R( Z1 O
gonadotropins.1,35 c1 G# T! I" E! H$ L+ D7 G
Gonadotropin-independent peripheral preco-
( O2 I! i6 ^+ W( b! O, wcious puberty in boys also results from inappropriate
3 Y& M  I# T  c/ vandrogenic stimulation from either endogenous or$ ]9 `5 h( r# ~+ `
exogenous sources, nonpituitary gonadotropin stim-
- Y( a* ^2 _6 h4 v  [0 J- Sulation, and rare activating mutations.3 Virilizing+ b& l( h4 V' i; \* }
congenital adrenal hyperplasia producing excessive
# I* ?& w, J6 O% b- a" nadrenal androgens is a common cause of precocious
' A* a9 g9 \  U/ n+ Zpuberty in boys.3,4
$ Y. H, N; ]# ]; Y( R" H6 i- `( _" o$ s7 }The most common form of congenital adrenal+ g* ~# U* y& U5 P. n+ v
hyperplasia is the 21-hydroxylase enzyme deficiency.# O/ M4 I' o. L' j" |# {  J
The 11-β hydroxylase deficiency may also result in3 n$ n. \0 i" x5 O( Q$ L
excessive adrenal androgen production, and rarely,
0 A) Z- s- W% X4 T4 fan adrenal tumor may also cause adrenal androgen
# ?" d  h) Z4 n5 [excess.1,36 Y, H9 E2 f, ^0 Q
at University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from( Z, }7 T5 H$ k4 _: ]4 j* M  U; P
542 Clinical Pediatrics / Vol. 46, No. 6, July 2007
, F* P/ y' O: Y6 S! j: zA unique entity of male-limited gonadotropin-
# I  n* a- A' a) R! b0 pindependent precocious puberty, which is also known
) ]- x2 l* w" g! U/ c, [1 l/ @as testotoxicosis, may cause precocious puberty at a' j* @+ P( s! p. |
very young age. The physical findings in these boys
- {+ e& c. M; p4 Pwith this disorder are full pubertal development,
0 [; I2 K) J; }* k9 Z: g: Yincluding bilateral testicular growth, similar to boys
$ F) L+ B' F3 c) B* u1 U. Jwith CPP. The gonadotropin levels in this disorder
* z+ D9 I4 w; x9 {+ r" `! `3 c* W1 ^are suppressed to prepubertal levels and do not show
2 F4 p* N0 k& `  K' _$ Xpubertal response of gonadotropin after gonadotropin-# g# G9 f/ u3 l6 z1 u& w6 f1 D) B
releasing hormone stimulation. This is a sex-linked
' p& e- X1 Z. l6 Hautosomal dominant disorder that affects only& U/ y# [1 G, R$ E* H
males; therefore, other male members of the family" i7 U( _7 c& N6 N2 _
may have similar precocious puberty.3+ W4 `4 Y# ^; ^& p2 p
In our patient, physical examination was incon-9 L, j4 }8 V7 ]' S' J8 _* p/ u$ h: B
sistent with true precocious puberty since his testi-/ v* F7 O' w# Q7 x% _) E+ M7 S
cles were prepubertal in size. However, testotoxicosis
7 {6 z* q7 }' F  w% u9 Xwas in the differential diagnosis because his father' H3 o1 Q! p5 {' |, i" Q% c
started puberty somewhat early, and occasionally,) h( E  x  e$ j
testicular enlargement is not that evident in the. u, h6 U: G+ @9 G1 e8 [) \$ C
beginning of this process.1 In the absence of a neg-- Q! q) o, }0 o8 `% E/ y/ w+ T  [
ative initial history of androgen exposure, our
' S. K* X! `3 Y& r8 d0 U5 H5 u! ?biggest concern was virilizing adrenal hyperplasia,- ^( J: j/ ^& E7 E- c) d: Y
either 21-hydroxylase deficiency or 11-β hydroxylase9 w, t4 P* z; S
deficiency. Those diagnoses were excluded by find-
7 t2 B8 D7 R3 oing the normal level of adrenal steroids.
5 y+ D4 P  e9 l$ B, x4 @The diagnosis of exogenous androgens was strongly
2 x/ C0 j" }  qsuspected in a follow-up visit after 4 months because. n0 \- o, X5 C/ N
the physical examination revealed the complete disap-
  s) F% g) [5 R) Lpearance of pubic hair, normal growth velocity, and
' `# u: ?2 `( i/ l% |decreased erections. The father admitted using a testos-( c7 j7 v- B. \0 l& v! A" ^
terone gel, which he concealed at first visit. He was
+ h4 x! {3 X* a) [4 ]! @using it rather frequently, twice a day. The Physicians’7 g% k: p% I& E( Z" s. j
Desk Reference, or package insert of this product, gel or2 {8 r5 }3 e: R% ?1 H& u& {
cream, cautions about dermal testosterone transfer to* w: z% h, d! O. L
unprotected females through direct skin exposure.
; a- o* {4 u9 @9 r) O( S+ C/ |Serum testosterone level was found to be 2 times the
: |* j7 I0 f- x  r# Lbaseline value in those females who were exposed to
9 G; l8 r1 {. [' A, j% H! i* Oeven 15 minutes of direct skin contact with their male) E8 y  m/ Y9 I  V3 W# [6 h
partners.6 However, when a shirt covered the applica-
9 e4 h7 ?1 j3 {2 @5 \6 P* h5 wtion site, this testosterone transfer was prevented.
7 y9 ^8 h2 K# |8 ]8 m% gOur patient’s testosterone level was 60 ng/mL,! X/ c3 z% X0 i4 S- B
which was clearly high. Some studies suggest that
( y" q) o1 \% z) K! H# Hdermal conversion of testosterone to dihydrotestos-, u+ t8 J2 Y2 P6 b, M" E2 @
terone, which is a more potent metabolite, is more
" ^! Y! {; y+ p* l" x6 @active in young children exposed to testosterone
: p2 g' H1 |! l3 W8 vexogenously7; however, we did not measure a dihy-
% \5 y. D/ Q( |8 m( W6 mdrotestosterone level in our patient. In addition to
4 z: A5 u# D) d# V' ~virilization, exposure to exogenous testosterone in+ c- U0 }: U' }1 ]9 t- p* `
children results in an increase in growth velocity and
- C% X6 g" R0 D+ `2 p" j0 `5 E, uadvanced bone age, as seen in our patient.% `) L5 I! u: Y. O# w& v5 A
The long-term effect of androgen exposure during
# H) I: S; T, v8 X" l0 Cearly childhood on pubertal development and final$ |0 t6 x' b- m6 I4 [
adult height are not fully known and always remain
# y- m( w. y6 \8 H' s" K2 }8 ma concern. Children treated with short-term testos-
# s8 l4 t" L% v% ?% i3 b8 _$ Uterone injection or topical androgen may exhibit some& D8 A0 U0 o8 ?. u7 }/ u2 A) ]& g
acceleration of the skeletal maturation; however, after6 W5 h9 S4 K4 [; D. e
cessation of treatment, the rate of bone maturation
% F2 A# Q9 L7 Edecelerates and gradually returns to normal.8,9
9 B: @" X# m% K* O* ~+ `3 RThere are conflicting reports and controversy, Z& ~+ K- K* U
over the effect of early androgen exposure on adult
1 `( {3 R+ x1 k  B: ]2 S1 E1 }- kpenile length.10,11 Some reports suggest subnormal
! J' j& I1 c, }2 Hadult penile length, apparently because of downreg-' ?5 `: m2 n9 i5 E. Q
ulation of androgen receptor number.10,12 However,- i+ M7 w  E4 s* L: q
Sutherland et al13 did not find a correlation between
& j' Z) o, D: j* w- J0 lchildhood testosterone exposure and reduced adult
2 {! Q  o8 E+ J6 Openile length in clinical studies.# t. N8 Y& _2 k* S
Nonetheless, we do not believe our patient is& w$ b# U$ V: j" M) W
going to experience any of the untoward effects from
: i3 g; O" z' {& Ztestosterone exposure as mentioned earlier because
3 X4 R* A% C& C6 ?# v9 W. g6 rthe exposure was not for a prolonged period of time.; j' v8 W: I' H% m7 M
Although the bone age was advanced at the time of
" j- w5 C9 |5 _: K! x' ]' Gdiagnosis, the child had a normal growth velocity at
# d, U4 p6 ~6 O5 Uthe follow-up visit. It is hoped that his final adult( |. p7 |/ b6 `; L& m2 k, l
height will not be affected.
5 h+ l4 M* E6 r+ `; H9 ^- gAlthough rarely reported, the widespread avail-+ }$ D  Z+ Y: n6 Q' L- Q0 ?
ability of androgen products in our society may4 F' ]( C4 \- }3 x, M# I6 ?, J
indeed cause more virilization in male or female+ X+ V( a; i& L# W0 _; G+ _" t
children than one would realize. Exposure to andro-4 M7 Z( `8 j: m; F  d9 G) l
gen products must be considered and specific ques-
, P0 _& d3 j' |( Dtioning about the use of a testosterone product or
) I, _! m; _- h- e( ugel should be asked of the family members during$ E+ J8 w  x* g3 _8 C  k) P# z
the evaluation of any children who present with vir-2 Z9 z+ {* W! F% w% L
ilization or peripheral precocious puberty. The diag-
! U: W+ c* J$ ^nosis can be established by just a few tests and by
% l' {' ^: H! y! S3 j. S0 pappropriate history. The inability to obtain such a" o, i4 A0 U" l$ n
history, or failure to ask the specific questions, may/ u( u/ n2 N2 B% D
result in extensive, unnecessary, and expensive
6 g1 C% W6 I! |9 e# I# vinvestigation. The primary care physician should be& e  o% _: }( M  q! t5 L! j; _8 j
aware of this fact, because most of these children
: g( q4 ^% z; Y; Emay initially present in their practice. The Physicians’! y8 Y: i8 S+ K& O5 N' d, _# X
Desk Reference and package insert should also put a4 H6 S  _- m) h9 k" Q
warning about the virilizing effect on a male or
$ D6 j  X/ G% efemale child who might come in contact with some-" S% x- }) }1 M# Z: S
one using any of these products.
1 R% I! B7 H8 }& r3 J8 `, ]3 MReferences
" }- ^, r: b4 D1. Styne DM. The testes: disorder of sexual differentiation2 K2 m5 X% C4 U
and puberty in the male. In: Sperling MA, ed. Pediatric
) o- f  ~( B: REndocrinology. 2nd ed. Philadelphia, PA: WB Saunders;
5 N$ }# k; |3 [# o2002: 565-628.
- W+ T) j7 C0 G6 f0 x! B# S+ d2. Rivarola M, Belgorosky A, Mendilaharzu H, et al. Precocious% w. N9 [) E* c/ F7 I7 u1 x
puberty in children with tumours of the suprasellar pineal
發表於 2025-1-4 03:27:02 | 顯示全部樓層
Sexual Precocity in a 16-Month-Old" [" m4 U5 d* Q+ x
Boy Induced by Indirect Topical
  y5 ~7 g& r' L. s5 L1 n( E8 S4 TExposure to Testosterone
2 |/ {5 Q; R0 G7 MSamar K. Bhowmick, MD, FACE,1 Tracy Ricke, MD,2
8 ~  D4 `' n/ A4 o3 Land Kenneth R. Rettig, MD1
6 [+ t8 i( b, K+ ?, U. OClinical Pediatrics- C7 J. r) w: l
Volume 46 Number 6
* m9 Z- L- q( S; j2 {- V! D* BJuly 2007 540-543
! z0 @4 b! }6 K: D& m© 2007 Sage Publications
# f7 t0 H4 x4 s' ?4 ^10.1177/0009922806296651
# ^3 _. u1 ]! ^4 N+ A- y; dhttp://clp.sagepub.com% R. N( n) y; W1 i
hosted at+ n+ H6 t0 _2 q, x4 a9 G
http://online.sagepub.com
6 D) T% q; l# E3 g+ |Precocious puberty in boys, central or peripheral,' i+ @" O8 c  ?2 X: A7 F/ C
is a significant concern for physicians. Central) Q6 h& S: q0 d) F2 H0 `. o
precocious puberty (CPP), which is mediated6 U+ ^; }+ ]8 e$ Z0 m  D
through the hypothalamic pituitary gonadal axis, has
9 ?* _8 I+ g- Y- Ca higher incidence of organic central nervous system
/ E" [% L: w5 ]! b$ Nlesions in boys.1,2 Virilization in boys, as manifested% K  W) H; Z7 |5 E5 i1 ~
by enlargement of the penis, development of pubic
* q' J% O- q) R, ]4 ?' m. Z7 khair, and facial acne without enlargement of testi-
+ P: Z5 `; h% p; ?$ wcles, suggests peripheral or pseudopuberty.1-3 We% ^, ~$ \( W, I2 H
report a 16-month-old boy who presented with the, V0 x4 J) o: i* O. g  J$ @& K
enlargement of the phallus and pubic hair develop-# F! s; r4 Y. r' r+ c) m5 W  w+ u
ment without testicular enlargement, which was due# c  l5 V' R3 P, L) S* p
to the unintentional exposure to androgen gel used by8 f/ ?8 v2 U8 J$ W
the father. The family initially concealed this infor-3 P: l% H9 l! ]0 f5 {1 H
mation, resulting in an extensive work-up for this4 u% A3 d3 k, I- W& b" N
child. Given the widespread and easy availability of
; ~; w9 k) N9 i# h! s/ I. ^testosterone gel and cream, we believe this is proba-, I" ]( R# ]6 F
bly more common than the rare case report in the& ~8 u5 r* x% B$ `
literature.4
1 E5 n+ Y1 D. W6 i5 a7 M% |! pPatient Report
! e5 g% g0 {; _( W: KA 16-month-old white child was referred to the; i  J# [6 |) I" N
endocrine clinic by his pediatrician with the concern
* e7 k: Q+ Y( v1 F3 e) @of early sexual development. His mother noticed! F% ]7 \2 Q% Y" r# {0 Y$ N8 g
light colored pubic hair development when he was
+ ]* |8 i: n+ sFrom the 1Division of Pediatric Endocrinology, 2University of/ U8 Y  Y- O$ \1 H  W  U
South Alabama Medical Center, Mobile, Alabama.* c" ^6 t, \0 ?% w
Address correspondence to: Samar K. Bhowmick, MD, FACE,
, R; [+ J2 U& U0 U2 P9 f# }5 M$ pProfessor of Pediatrics, University of South Alabama, College of
9 r) S+ ?5 }7 g( eMedicine, 2451 Fillingim St. Mastin 212, Mobile, AL 36617-2297;
+ \7 b* D+ a2 M$ x4 Q+ pe-mail: [email protected].$ T6 I1 G$ p* i! L
about 6 to 7 months old, which progressively became% X5 M2 ?7 v+ N. B
darker. She was also concerned about the enlarge-
% k) J. V$ s1 `) nment of his penis and frequent erections. The child
6 ~3 a2 w' W$ g* J" s, q& Lwas the product of a full-term normal delivery, with4 \3 ?$ @. M7 d, d7 \5 o, u
a birth weight of 7 lb 14 oz, and birth length of  Q# z4 s0 y, D! r7 E" c
20 inches. He was breast-fed throughout the first year* d, ~# A! K7 u( x4 S
of life and was still receiving breast milk along with. X9 S: Y$ _4 A8 Q
solid food. He had no hospitalizations or surgery,
+ f6 B! y5 ^9 {, i$ ?and his psychosocial and psychomotor development$ k9 v0 ^' J  }
was age appropriate.
& }/ s# e$ O* v3 l* D" n' ]) UThe family history was remarkable for the father,
2 {5 G( r, j# U& mwho was diagnosed with hypothyroidism at age 16,2 {% d, \- r2 G5 b1 f! |3 P: @
which was treated with thyroxine. The father’s  r  I$ j0 C5 ]
height was 6 feet, and he went through a somewhat6 }. _7 \5 t: n. X
early puberty and had stopped growing by age 14.
' e( ?- S. N' `, RThe father denied taking any other medication. The9 @$ x* g: @8 J* D, L% c. T
child’s mother was in good health. Her menarche& g. w6 N( F, l" K7 ?( a1 R
was at 11 years of age, and her height was at 5 feet2 h/ n7 E9 e* `1 A3 z8 @
5 inches. There was no other family history of pre-) U& N9 D% i* e1 {
cocious sexual development in the first-degree rela-
3 V3 V$ f4 v9 N5 {9 h: utives. There were no siblings.
) l' J( ]1 c+ X' G' l0 i. OPhysical Examination
9 z7 g- X6 i+ w$ ZThe physical examination revealed a very active,
- X; A8 y( J1 o7 {3 l- [+ ~playful, and healthy boy. The vital signs documented1 P' m% ^% R- \# c) F" L( K' p( `
a blood pressure of 85/50 mm Hg, his length was
* V, s8 ?* W# H8 e2 ?) @+ G1 C90 cm (>97th percentile), and his weight was 14.4 kg( k* S  l4 L) v9 T7 t! F
(also >97th percentile). The observed yearly growth% ~, T# x! N& R
velocity was 30 cm (12 inches). The examination of( g8 @& H) H: ^8 G  _) p# V6 w" @
the neck revealed no thyroid enlargement.7 v) R5 P9 Y, b
The genitourinary examination was remarkable for# z8 j3 j+ X9 Z1 ?% t  c
enlargement of the penis, with a stretched length of7 c/ h) \; P- O
8 cm and a width of 2 cm. The glans penis was very well
" ]0 V/ X8 ^) V. g" d# L5 ~7 ideveloped. The pubic hair was Tanner II, mostly around
( S) ]1 k; i6 I0 ~) r- {540
9 q% B8 \0 }' P! \at University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from
5 \, `) J! U# t  F/ C4 l& Fthe base of the phallus and was dark and curled. The
, {5 |; P6 f4 H/ gtesticular volume was prepubertal at 2 mL each.
7 S' O  h6 Q( l  |& ZThe skin was moist and smooth and somewhat+ p& q4 C2 g# e$ k
oily. No axillary hair was noted. There were no4 g/ v2 @1 s6 @# D/ H  z
abnormal skin pigmentations or café-au-lait spots.2 e: ^5 f  k% l! q+ }
Neurologic evaluation showed deep tendon reflex 2+% @$ i3 ]4 [  ^7 F1 b- ^
bilateral and symmetrical. There was no suggestion
5 _7 l& \) R, D4 P1 q9 p% H9 \of papilledema.0 E0 X9 p4 R+ R1 C+ U, J& G. S- u
Laboratory Evaluation
2 L8 [$ T: [; TThe bone age was consistent with 28 months by( h# X, p3 S0 a( j9 ]
using the standard of Greulich and Pyle at a chrono-
; \; k  L7 q( t2 tlogic age of 16 months (advanced).5 Chromosomal* T" }) ?! F, [
karyotype was 46XY. The thyroid function test" W8 R5 i: W; O" @
showed a free T4 of 1.69 ng/dL, and thyroid stimu-+ z/ a( f% W) X
lating hormone level was 1.3 µIU/mL (both normal).
- [1 ~5 I" A. ]" |% VThe concentrations of serum electrolytes, blood
( g/ J, ?0 v2 q9 e7 Curea nitrogen, creatinine, and calcium all were7 c9 y- r! L2 R9 T
within normal range for his age. The concentration
+ w1 I0 s7 h3 O# n) qof serum 17-hydroxyprogesterone was 16 ng/dL2 x- m$ W; Z) U3 s2 H
(normal, 3 to 90 ng/dL), androstenedione was 20, H7 }2 E% `7 `. i* j0 P+ s
ng/dL (normal, 18 to 80 ng/dL), dehydroepiandros-) b8 C- i( {4 V# |/ Q
terone was 38 ng/dL (normal, 50 to 760 ng/dL),% I, b5 J  o0 `
desoxycorticosterone was 4.3 ng/dL (normal, 7 to
3 |8 ^! t- L7 Z* e1 A4 |! h* m49ng/dL), 11-desoxycortisol (specific compound S)
2 X9 y, e: {8 F) lwas 43 ng/dL (normal, 10 to 156 ng/dL), serum cor-9 t. _& w' _& N6 \( K+ m# K8 F6 c
tisol was 7.6 µg/dL (normal, 2.8 to 23 µg/dL), total
. r7 ~2 c- z) _; F, {testosterone was 60 ng/dL (normal <3 to 10 ng/dL),4 r0 |3 x8 N$ J' l) ~: D7 I
and β-human chorionic gonadotropin was less than* T  N6 f3 z! V' y
5 mIU/mL (normal <5 mIU/mL). Serum follicular
- ~# I# m; J* }1 f! h; ~- Ostimulating hormone and leuteinizing hormone8 K6 p! O. {. X- Y$ }
concentrations were less than 0.05 mIU/mL& T6 Q7 X$ V4 r
(prepubertal).
, c( _( \% R7 S* |& v3 I2 f; nThe parents were notified about the laboratory7 [9 g2 _$ D- @1 K- v( ^5 a  U
results and were informed that all of the tests were% e* b1 R. J7 p3 i8 |6 }; e
normal except the testosterone level was high. The5 q  Z0 z' g0 R2 C4 j- E7 `
follow-up visit was arranged within a few weeks to( Y+ R3 G0 {. |* A
obtain testicular and abdominal sonograms; how-
/ B5 J0 |' {7 Z4 i$ Pever, the family did not return for 4 months.8 U& c  j7 U  p) ?8 E; c: Z
Physical examination at this time revealed that the
. |* b+ f. e; T9 i1 ?child had grown 2.5 cm in 4 months and had gained, O% ^2 A, O1 p6 i; G
2 kg of weight. Physical examination remained7 [/ _9 Q+ c$ n1 L+ X
unchanged. Surprisingly, the pubic hair almost com-" o- _( L; t' j! ?1 V
pletely disappeared except for a few vellous hairs at
. ]" o. r3 I0 }0 s  k# kthe base of the phallus. Testicular volume was still 2( t! e2 Y8 q& _
mL, and the size of the penis remained unchanged." h! D3 N5 A! g. s
The mother also said that the boy was no longer hav-  _( f' ~! ]+ D( F/ X
ing frequent erections.
6 D0 Z" I5 m; B. |/ h4 bBoth parents were again questioned about use of8 t9 D% v7 j! m" g# _7 e+ E& F3 Q1 \
any ointment/creams that they may have applied to% ^) Y9 y  v! e1 s7 h' {+ Z' m
the child’s skin. This time the father admitted the6 u* ~/ F6 ^7 E. z8 i! N! L$ M
Topical Testosterone Exposure / Bhowmick et al 541% \! t* |4 x% u6 b& s2 h
use of testosterone gel twice daily that he was apply-
* X8 i+ n0 b5 b- z$ Hing over his own shoulders, chest, and back area for
% k2 A4 O3 ^' R3 ]4 o$ q2 ?3 U% Aa year. The father also revealed he was embarrassed# V, v$ ]  O- X2 W. k+ o
to disclose that he was using a testosterone gel pre-
& \2 |" D, m( S3 J! \0 I/ }scribed by his family physician for decreased libido4 d* m; L" w% }3 x: @
secondary to depression.3 S5 m. O3 a+ ?0 z  f! ^* e
The child slept in the same bed with parents.+ d; M9 Q! G$ d' j' k: n! F- |' R6 _
The father would hug the baby and hold him on his
; @" c* I! E$ `+ p" echest for a considerable period of time, causing sig-1 A6 I$ k# p* c5 D2 C% H
nificant bare skin contact between baby and father.
2 M8 ]% g# x4 v. b. A9 DThe father also admitted that after the phone call,
5 C5 g5 I+ w% Q6 dwhen he learned the testosterone level in the baby
% o# C  {$ C/ c& @- s! q0 t4 Cwas high, he then read the product information. J0 P! g. a% R. o! I0 Q; Y
packet and concluded that it was most likely the rea-
6 F8 a1 S" Q$ a) A& dson for the child’s virilization. At that time, they) _2 I! J) Y. H1 X$ K7 V
decided to put the baby in a separate bed, and the- U, K- m1 v9 M3 |: g+ N
father was not hugging him with bare skin and had( ?$ H3 f* H: o
been using protective clothing. A repeat testosterone8 n3 k6 R9 h7 l/ `( t
test was ordered, but the family did not go to the
( G! |! m9 e/ i; X& d% \. Qlaboratory to obtain the test.
' E3 \( D/ A; K. W& vDiscussion4 o) E# _6 b  ~0 c! s# S
Precocious puberty in boys is defined as secondary
- Q0 [1 A! x7 M% @sexual development before 9 years of age.1,4, ]! y  {* c5 X5 |9 M
Precocious puberty is termed as central (true) when3 s; n, q) R, l+ D
it is caused by the premature activation of hypo-) W- s# v7 g! u
thalamic pituitary gonadal axis. CPP is more com-" {: a, d% y5 _: i
mon in girls than in boys.1,3 Most boys with CPP
$ m2 c: M' A8 P+ E3 h; Jmay have a central nervous system lesion that is
4 o' d9 e- r% ]7 Z, L7 E, ?% Oresponsible for the early activation of the hypothal-% J$ N# d* v0 H* g2 K
amic pituitary gonadal axis.1-3 Thus, greater empha-9 q7 T. O9 C7 t5 ?8 A$ ~' t
sis has been given to neuroradiologic imaging in! n0 W1 ^* {, f$ _: C5 G5 v
boys with precocious puberty. In addition to viril-0 t% Z* Y7 G  U( A0 T
ization, the clinical hallmark of CPP is the symmet-. Z  w% W6 F/ n0 B
rical testicular growth secondary to stimulation by
7 @0 A7 ~2 a8 h% ygonadotropins.1,3
5 P7 @/ O8 |2 j* [) n6 pGonadotropin-independent peripheral preco-0 O0 P2 G; {: v8 H% \
cious puberty in boys also results from inappropriate. J- i1 C; X9 v/ T7 J4 o
androgenic stimulation from either endogenous or
, z. o4 I+ |" l3 w  X( _8 q' C$ vexogenous sources, nonpituitary gonadotropin stim-+ u* ~, G1 I2 \; ?7 O* h$ ]9 p: v5 P, y
ulation, and rare activating mutations.3 Virilizing
! d; _3 j0 v' g( @+ vcongenital adrenal hyperplasia producing excessive
: n7 j& c) J* X& m6 e/ u6 p# dadrenal androgens is a common cause of precocious
+ Y  Y& y/ f0 f, d* \$ R/ epuberty in boys.3,40 Y' {, Y0 ~2 Y, K- ^
The most common form of congenital adrenal) E# b% A& M+ R. R0 M' E( [0 x
hyperplasia is the 21-hydroxylase enzyme deficiency.
7 U7 c& B9 R( n5 j7 g+ |The 11-β hydroxylase deficiency may also result in
6 c* u5 q: _  G/ u5 V$ y  }. Gexcessive adrenal androgen production, and rarely,5 {0 g. `- a: X, W& G5 u
an adrenal tumor may also cause adrenal androgen
# L4 L9 v9 z4 v) oexcess.1,3
0 @  v/ p2 a  w! k* Gat University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from4 P6 Z! s3 n  H0 m! k( F2 M0 W/ G4 o
542 Clinical Pediatrics / Vol. 46, No. 6, July 2007- B+ S7 Y8 e! j& {, f' {* u
A unique entity of male-limited gonadotropin-  l8 v& l3 x) n7 o
independent precocious puberty, which is also known! c0 e5 c  W; V& a
as testotoxicosis, may cause precocious puberty at a
8 G) `4 m9 x: K$ u+ @0 H9 y& S# Y2 Zvery young age. The physical findings in these boys+ n1 C" H, {; j2 m
with this disorder are full pubertal development,
, a) H$ M/ a- U$ h( kincluding bilateral testicular growth, similar to boys  z1 M/ H  F' r( ^. r3 X  K
with CPP. The gonadotropin levels in this disorder
% u, O9 U5 U& f+ Gare suppressed to prepubertal levels and do not show' H4 i9 i" Z3 U
pubertal response of gonadotropin after gonadotropin-
, L2 r+ `6 W" m$ wreleasing hormone stimulation. This is a sex-linked5 j# X" d& }5 C0 g* G
autosomal dominant disorder that affects only% S: [7 J9 T& u9 j
males; therefore, other male members of the family
% z* g- i* w# W. E) pmay have similar precocious puberty.31 Q2 @4 u, d; T$ W7 g
In our patient, physical examination was incon-5 n, a( D/ ^! C( q: H2 t
sistent with true precocious puberty since his testi-
9 G; A$ l( {( z5 o+ A3 b( Gcles were prepubertal in size. However, testotoxicosis
; l7 _; C' _  D3 v5 H4 X' W8 {was in the differential diagnosis because his father9 G  D% D$ a4 ?
started puberty somewhat early, and occasionally,
1 V7 [8 \+ Z0 l" g' m" H7 v" Htesticular enlargement is not that evident in the
  t: l! u6 X' F7 @; Y$ Pbeginning of this process.1 In the absence of a neg-
0 ]4 f) s. L. Z$ A$ Iative initial history of androgen exposure, our
7 _+ O  Y) i6 l+ [! mbiggest concern was virilizing adrenal hyperplasia," h& U1 ~- q3 E5 N* Z
either 21-hydroxylase deficiency or 11-β hydroxylase
9 F; o+ S# g$ x# a& |3 s: o8 vdeficiency. Those diagnoses were excluded by find-; O) f; i; z1 `7 |2 l$ O( g
ing the normal level of adrenal steroids.
9 C/ Y$ O  d3 LThe diagnosis of exogenous androgens was strongly" _6 f4 z2 Q" u: K$ T; e: n, D
suspected in a follow-up visit after 4 months because
' s, `, K; c6 y9 l8 p$ W- sthe physical examination revealed the complete disap-
7 F* T: c  U" Z  c% c) Xpearance of pubic hair, normal growth velocity, and% L6 q# d/ K# x) j
decreased erections. The father admitted using a testos-) o7 F2 V1 \4 f! q% e
terone gel, which he concealed at first visit. He was
3 |2 _1 G. m6 |: kusing it rather frequently, twice a day. The Physicians’' i8 ]7 M- p" E
Desk Reference, or package insert of this product, gel or
' \3 L5 X7 [% Ucream, cautions about dermal testosterone transfer to5 g0 }" M) }- x! C; l
unprotected females through direct skin exposure.
5 X: }3 A+ Y% r5 WSerum testosterone level was found to be 2 times the
+ A$ i3 c6 B9 L+ F; r% |6 tbaseline value in those females who were exposed to/ _/ k: l, P, T  A1 _2 Q+ M
even 15 minutes of direct skin contact with their male
: q9 w' ?/ {# ^* s% ]; gpartners.6 However, when a shirt covered the applica-6 Q. _: V$ Q5 j. a2 @
tion site, this testosterone transfer was prevented.
: C, v' G4 s/ u2 rOur patient’s testosterone level was 60 ng/mL,
* k4 _$ A! N0 t$ jwhich was clearly high. Some studies suggest that: i2 T' @, ]9 f! b6 H# Q! R) o; C
dermal conversion of testosterone to dihydrotestos-
% ^8 C; T/ g  A) x8 Rterone, which is a more potent metabolite, is more
( C* a( K. u2 ?1 gactive in young children exposed to testosterone
! Q  b  z( G- qexogenously7; however, we did not measure a dihy-
7 k7 m  N. E& c( }6 d! t" F2 |) pdrotestosterone level in our patient. In addition to$ B) _- C: y- J% y  W, k+ m: z( s
virilization, exposure to exogenous testosterone in, X8 M7 B  ^& `5 M4 T
children results in an increase in growth velocity and
( t. l; W4 {- h' I1 z$ ladvanced bone age, as seen in our patient.
3 M( X8 h7 f! o$ c- D* E  o9 iThe long-term effect of androgen exposure during% g/ y0 f( X* N8 y, Q
early childhood on pubertal development and final- W7 Y& N% i3 k: ]8 S  C3 _
adult height are not fully known and always remain9 c  R/ G# L& g; q
a concern. Children treated with short-term testos-
/ {( @  g7 G. v/ r  Zterone injection or topical androgen may exhibit some
; h! b  D/ u! F) V$ f# _acceleration of the skeletal maturation; however, after8 P0 ]/ w- m) G/ B+ A' d( O* o; a
cessation of treatment, the rate of bone maturation* V& w/ T5 ?8 N+ w; X2 V  `# }. G
decelerates and gradually returns to normal.8,9
0 f; k' m7 x  p& zThere are conflicting reports and controversy
" H$ O" {& \, ]- ]$ _! oover the effect of early androgen exposure on adult
: [) h6 }3 u+ k# g% openile length.10,11 Some reports suggest subnormal
# ^' P2 ^8 M0 c' }/ G8 \. nadult penile length, apparently because of downreg-
; l+ l% k8 E0 C6 Gulation of androgen receptor number.10,12 However,! o3 D/ r- q( J
Sutherland et al13 did not find a correlation between
6 {1 X% X! ]2 r$ m( W2 tchildhood testosterone exposure and reduced adult3 x9 g7 @6 Z) _7 j# t
penile length in clinical studies.
6 x6 M4 ?( _2 @2 KNonetheless, we do not believe our patient is
2 ~4 Q" Y6 U' Tgoing to experience any of the untoward effects from2 ^5 b0 {6 Y8 ^, X
testosterone exposure as mentioned earlier because
" V( N4 J/ i# F  F. ?$ gthe exposure was not for a prolonged period of time.
+ X) o: a6 `- ]8 Q+ ^* hAlthough the bone age was advanced at the time of
  m$ h7 v( S3 ]! Z- w  s8 V% V0 @diagnosis, the child had a normal growth velocity at/ M3 H& ^+ `& |: m/ F
the follow-up visit. It is hoped that his final adult: g- g# g7 e: ^: o* X5 n: m5 v
height will not be affected.
1 |7 q  b: z6 I- `2 D# ^Although rarely reported, the widespread avail-4 t+ m  o4 {$ S2 W5 ~
ability of androgen products in our society may5 `9 y. J  Z. ~3 I) Z
indeed cause more virilization in male or female
+ p3 F5 u7 N, |! g, b# P" Echildren than one would realize. Exposure to andro-
& X: d2 o8 [% n* l" vgen products must be considered and specific ques-
* O8 X" `. ~5 |% Z  R! Z7 A3 X6 itioning about the use of a testosterone product or
) M7 K! X3 T; Egel should be asked of the family members during
$ `$ j& h! K( Vthe evaluation of any children who present with vir-0 E7 g5 e- N1 \' X5 _! ?- l, I! K
ilization or peripheral precocious puberty. The diag-  B. [  g; x( |$ n" j5 G) I2 @
nosis can be established by just a few tests and by
1 s/ z% J" l/ H& j& f0 u" W, Uappropriate history. The inability to obtain such a5 ^( z4 L3 s/ H( Q( Z7 g5 o8 @; \
history, or failure to ask the specific questions, may, P) i: Z5 @" f9 I1 s
result in extensive, unnecessary, and expensive0 E; e3 T3 s6 m# a- O( Q2 C& r
investigation. The primary care physician should be1 L  w9 ~; l- x; |
aware of this fact, because most of these children
" y$ u% s& X6 ^  @# Ymay initially present in their practice. The Physicians’
$ c. H3 C; {1 j  bDesk Reference and package insert should also put a! L( k5 J2 m  z& P4 j
warning about the virilizing effect on a male or! G& o/ i+ J0 {2 F1 }
female child who might come in contact with some-. @  n! o/ l0 f$ c$ q1 C8 @( n
one using any of these products.
8 H* Q3 F  f9 k. s, d" R0 l, m" @References5 T8 _3 z0 l- j% j" J4 ^
1. Styne DM. The testes: disorder of sexual differentiation
& h, C, H9 O( Z0 jand puberty in the male. In: Sperling MA, ed. Pediatric  i, G, L4 o: M
Endocrinology. 2nd ed. Philadelphia, PA: WB Saunders;
; \% d' X0 y# @( q7 B: ]0 T  C7 k3 G2002: 565-628.
( ]3 }  Z) x- I4 D( o+ D2. Rivarola M, Belgorosky A, Mendilaharzu H, et al. Precocious, {; \: i- O# @, U8 y
puberty in children with tumours of the suprasellar pineal
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女厕偷拍辅导班主任尿尿老师的逼很嫩还有一点
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4个什么样的?
發表於 2025-1-19 02:41:05 | 顯示全部樓層

  Q/ b% d1 ^: A0 y! X精妙絕倫的精品,感謝啊!期待你更多更好的創作哦!
發表於 2025-3-11 12:31:56 | 顯示全部樓層
么好吧v进化过程就回国参加发uft成就和;哦i回来就好v科技股份兄弟人的 路由公开vu个v库每年b
發表於 2025-4-8 11:10:25 | 顯示全部樓層
精妙絕倫的精品,感謝啊!期待你更多更好的創作哦!
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