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Membranoproliferative glomerulonephritis associated with pseudoxanthoma elasticum
Mustafa Altay1, Faruk Turgut, Feridun Karakurt
1Department of Internal Medicine, Ankara Education and Research Hospital, Ankara, Turkey.
International Urology and Nephrology
|January 22, 2008
Summary
Pseudoxanthoma elasticum (PXE) can affect multiple organs. This case highlights a rare association between PXE and membranoproliferative glomerulonephritis, a kidney disorder, in a 51-year-old woman.
Area of Science:
- Nephrology
- Dermatology
- Genetics
Background:
- Pseudoxanthoma elasticum (PXE) is a rare genetic disorder affecting elastic tissues, primarily impacting the skin, eyes, and cardiovascular system.
- PXE is characterized by progressive calcification and fragmentation of elastic fibers, leading to various clinical manifestations.
- The exact prevalence and specific organ involvement patterns in PXE are still under investigation.
Observation:
- A 51-year-old woman presented with leg swelling and weakness, exhibiting significant proteinuria (7.29 g/24 h).
- Renal biopsy confirmed membranoproliferative glomerulonephritis (MPGN), a serious kidney disease.
- Subsequently, the patient developed digital necrosis, and a skin biopsy revealed characteristic findings of PXE.
Findings:
- This case report documents a rare co-occurrence of Pseudoxanthoma elasticum and membranoproliferative glomerulonephritis.
- The patient's clinical presentation involved both dermatological (PXE) and renal (MPGN) manifestations.
- The temporal relationship suggests a potential, though unproven, link between the two conditions.
Implications:
- This case underscores the importance of considering systemic involvement in PXE beyond the typical affected organs.
- The association may prompt further research into potential sharedPathways or triggers between PXE and certain glomerulonephritides.
- Early recognition and comprehensive evaluation are crucial for managing patients with complex presentations involving PXE and kidney disease.
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