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A case of Fabry's disease
The Tokai Journal of Experimental and Clinical Medicine
|January 1, 1983
Summary
Fabry's disease, a genetic disorder, was diagnosed in a young male patient misdiagnosed with chronic glomerulonephritis. Early detection via renal biopsy and alpha-galactosidase testing is crucial for managing this condition.
Area of Science:
- Nephrology
- Medical Genetics
- Dermatology
Background:
- Fabry's disease is a rare genetic lysosomal storage disorder.
- It is caused by mutations in the GLA gene, leading to alpha-galactosidase A deficiency.
- This deficiency results in the accumulation of globotriaosylceramide in various tissues.
Observation:
- A 22-year-old male presented with proteinuria and dark-red skin lesions (angiokeratoma corporis).
- He was initially misdiagnosed with chronic glomerulonephritis for one year.
- Renal biopsy revealed vacuolated cells in glomeruli, indicative of lysosomal storage.
Findings:
- Electron microscopy confirmed electron-dense bodies within the vacuolated glomerular cells.
- Serum alpha-galactosidase levels were significantly reduced in the patient and his mother.
- Pedigree analysis suggested a familial inheritance pattern of renal diseases.
Implications:
- This case highlights the importance of considering Fabry's disease in young patients with unexplained renal issues and skin manifestations.
- Early diagnosis through renal biopsy and enzyme assays can prevent misdiagnosis and guide appropriate management.
- Timely intervention may improve the clinical course and prognosis of patients with Fabry's disease, particularly in older individuals.