Hormones (Athens, Greece) · 2017
Persistent Müllerian duct syndrome: A novel mutation in the Αnti-Müllerian Ηormone gene.
Клинический случайСтатьяНазвание и аннотация: Перевод в очереди
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Altincik Ayça, Karaca Fahri, Onay Hüseyin
Аннотация
BACKGROUND AND OBJECTIVE: Persistent Müllerian duct syndrome (PMDS) is a relatively rare form of 46,XY disorder of sex development caused by the failure of formation, release or action of anti-Müllerian hormone (AMH) in intrauterine life. In this report we describe a case diagnosed with PMDS with a novel homozygous mutation in the AMH gene.
CASE REPORT: A 4-month-old male presented with bilateral cryptorchidism and normal external genitalia. The laboratory examination revealed normal gonadotropin levels for his age (FSH: 0.91 mIU/mL, LH: 1.23 mIU/mL, testosteron <0.13 ng/mL, respectively). AMH was undetectable (<0.01 ng/mL). Ultrasonography (USG) revealed absence of the left gonad and an intraabdominally located right gonad. Laparoscopy demonstrated the presence of a rudimentary uterus and fallopian tubes. Karyotyping revealed a normal 46,XY karyotype. Molecular genetic analysis demonstrated a novel homozygous mutation [p.C526F (c.1577G>T)] in the AMH gene.
CONCLUSION: PMDS should be kept in mind in all cases with bilateral crytorchidism. Orchidopexy and resection of Mulletian duct derivates, exercising extra caution with regard to maintaining vascular supply to the testis, is the recommended approach.
CASE REPORT: A 4-month-old male presented with bilateral cryptorchidism and normal external genitalia. The laboratory examination revealed normal gonadotropin levels for his age (FSH: 0.91 mIU/mL, LH: 1.23 mIU/mL, testosteron <0.13 ng/mL, respectively). AMH was undetectable (<0.01 ng/mL). Ultrasonography (USG) revealed absence of the left gonad and an intraabdominally located right gonad. Laparoscopy demonstrated the presence of a rudimentary uterus and fallopian tubes. Karyotyping revealed a normal 46,XY karyotype. Molecular genetic analysis demonstrated a novel homozygous mutation [p.C526F (c.1577G>T)] in the AMH gene.
CONCLUSION: PMDS should be kept in mind in all cases with bilateral crytorchidism. Orchidopexy and resection of Mulletian duct derivates, exercising extra caution with regard to maintaining vascular supply to the testis, is the recommended approach.