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Male pseudohermaphroditism due to 17 beta-hydroxysteroid dehydrogenase deficiency: gender reassignment in early infancy.

Abstract
Male pseudohermaphroditism due to 17 beta-hydroxysteroid dehydrogenase (17 beta-HSD) deficiency has a high prevalence within the Arab population of the Gaza strip and is characterised by marked virilization at puberty, leading in many cases to the spontaneous adoption of a male gender role. As a result of this, parents of 7 affected male infants (aged 1-10 months) born with female phenotype requested early gender reassignment. Diagnosis was suspected in 5 on the basis of a positive family history, but confirmed in all cases by the finding of low to normal testosterone levels (30-184 ng/dl) with high delta 4-androstenedione levels (188-808 ng/dl), after hCG. Treatment with im testosterone oenanthate (25-50 mg/dose) was given in one to three 3-months courses and penile size was increased into the normal range without evoking a significant increase in height velocity or skeletal maturation. Five patients underwent the first stage of male genitoplasty between 2 and 3 years of age. This consisted of bilateral orchidopexy, chordee release and penile lengthening - yielding finally an anatomically normal-sized and shaped penis. Androgen responsive male pseudohermaphroditism due to 17 beta-HSD deficiency or a similar defect and diagnosed in infancy should be treated as soon as possible with systemic testosterone before considering any sex change, and in preparation for male genitoplasty. Early gender reassignment according to genetic and gonadal sex is probably the management of choice for these cases since this may result in a normal adjustment to the male gender role, particularly after puberty.
AuthorsD J Gross, H Landau, G Kohn, A Farkas, E Elrayyes, R el-Shawwa, E E Lasch, A Rösler
JournalActa endocrinologica (Acta Endocrinol (Copenh)) Vol. 112 Issue 2 Pg. 238-46 (Jun 1986) ISSN: 0001-5598 [Print] Denmark
PMID3017038 (Publication Type: Journal Article)
Chemical References
  • Chorionic Gonadotropin
  • Testosterone
  • testosterone enanthate
  • 17-Hydroxysteroid Dehydrogenases
  • 3-alpha-(17-beta)-hydroxysteroid dehydrogenase (NAD(+))
Topics
  • 17-Hydroxysteroid Dehydrogenases (deficiency)
  • Age Factors
  • Child
  • Child, Preschool
  • Chorionic Gonadotropin (pharmacology)
  • Disorders of Sex Development (diagnosis, enzymology, therapy)
  • Gender Identity
  • Genitalia, Male (surgery)
  • Humans
  • Infant
  • Male
  • Penis (growth & development)
  • Testosterone (analogs & derivatives, therapeutic use)

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