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.
Abstract:
Menkes disease, or Kinky Hair Syndrome, is a rare disorder of copper metabolism that causes fatal neurodegenerative disease in infancy. This X-linked disorder results from mutations in the ATP7A gene. Along with neurological decline, characteristic coarse appearance of the hair is seen. Urological issues are prevalent in this patient population, with bladder diverticula being the most common. Herein, we describe a unique male patient with genetic mosaicism and osseous metaplasia found in a ruptured bladder diverticulum.
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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