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[Urological problems in Prader-Willi syndrome]

K Sano1, K Terashima, M Adachi

  • 1Department of Urology, Kanagawa Children's Medical Center.

Nihon Hinyokika Gakkai Zasshi. the Japanese Journal of Urology
|August 1, 1994
PubMed
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Prader-Willi syndrome patients often present with urological issues like cryptorchism and micropenis. Many are undiagnosed initially, highlighting the need for broader awareness among specialists.

Area of Science:

  • Pediatric Endocrinology
  • Urology
  • Clinical Genetics

Background:

  • Prader-Willi syndrome (PWS) is a rare genetic disorder characterized by hypogonadism, hypomentia, hypotonia, and obesity.
  • Urologists may encounter PWS patients due to significant gonadal abnormalities.

Purpose of the Study:

  • To analyze the urological and endocrinological manifestations of Prader-Willi syndrome in a cohort of 27 patients.
  • To assess diagnostic delays and the effectiveness of current management strategies.

Main Methods:

  • Retrospective review of 27 PWS cases with detailed data collection.
  • Evaluation of urological findings (cryptorchism, micropenis), endocrinological assessments (HCG stimulation, LH-RH response), and chromosomal analysis.

Main Results:

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  • All male patients had cryptorchism; 56% had micropenis.
  • 75% of females experienced delayed menarche (>15 years).
  • Chromosomal abnormalities were present in 40.9%; 80% showed low gonadotropin response to LH-RH.

Conclusions:

  • Urological abnormalities are near-universal in PWS patients, often leading to initial diagnosis.
  • Endocrinological dysfunction is common, with limited response to hormonal therapies.
  • Early recognition and multidisciplinary management are crucial for PWS patients.