Osseous Metaplasia in a Bladder Diverticulum in a Patient with Mosaic Menkes Disease

Katie L Canalichio1, Karen M Chisholm2, Thomas S Lendvay1

  • 1Department of Pediatric Urology, Seattle Children's Hospital, Seattle, WA; Department of Urology, University of Washington, Seattle, WA.

Urology
|November 24, 2019
PubMed

Insights

Menkes disease, a rare X-linked disorder, presents unique urological complications. This case highlights genetic mosaicism and osseous metaplasia in a ruptured bladder diverticulum, offering new insights into the condition.

Area of Science:

  • Genetics
  • Biochemistry
  • Pediatric Medicine

Background:

  • Menkes disease (Kinky Hair Syndrome) is a rare, fatal X-linked neurodegenerative disorder caused by ATP7A gene mutations.
  • It involves copper metabolism defects, leading to neurological decline and characteristic coarse hair.
  • Urological issues, particularly bladder diverticula, are common in affected individuals.

Observation:

  • This report details a unique male patient with Menkes disease.
  • The patient presented with genetic mosaicism.
  • A ruptured bladder diverticulum was observed containing osseous metaplasia.

Findings:

  • The study identifies a rare co-occurrence of genetic mosaicism and osseous metaplasia within a bladder diverticulum in a patient with Menkes disease.
  • This finding expands the known spectrum of urological complications associated with ATP7A mutations.
  • The presence of bone formation in the bladder diverticulum is a novel observation.

Implications:

  • This case underscores the importance of comprehensive urological evaluation in Menkes disease patients.
  • Understanding these rare complications can inform clinical management and patient care strategies.
  • Further research into the mechanisms of osseous metaplasia in this context may reveal new therapeutic targets.

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