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Chronic leg ulcers in a patient with Hyperoxaluria type 1: a rare and challenging diagnosis
Soukayna Kabbou1, Ouiam Eljouari1, Salim Gallouj1
1Dermatology Department, University hospital center Mohammed VI, Tangier 40000, Morocco.
Insights
This case report details a rare instance of calciphylaxis in a young woman with primary hyperoxaluria type 1 and end-stage renal disease. Treatment involved medical therapy, oxygen, advanced wound care, and daily hemodialysis.
Area of Science:
- Nephrology
- Dermatology
- Vascular Medicine
Background:
- Calciphylaxis is a rare, severe condition causing arteriolar calcification, ischemia, and necrosis.
- Primary hyperoxaluria type 1 (PH1) and end-stage renal disease (ESRD) are significant risk factors for systemic calcification.
- The co-occurrence of calciphylaxis and PH1 is exceptionally uncommon.
Observation:
- A 29-year-old female with PH1 and ESRD presented with painful leg ulcerations.
- Initial diagnosis considered cutaneous oxalosis, but pathology confirmed calciphylaxis.
- This presentation highlights a rare association between PH1 and calciphylaxis.
Findings:
- Pathological confirmation of calciphylaxis in a patient with PH1 and ESRD.
- Demonstrates the diagnostic challenge in differentiating calciphylaxis from other conditions like oxalosis.
- Underscores the severity and systemic nature of calciphylaxis.
Implications:
- This case expands the understanding of calciphylaxis associations beyond typical risk factors.
- Highlights the importance of considering calciphylaxis in ESRD patients with unexplained skin lesions, even with rare underlying conditions.
- Suggests potential benefits of multidisciplinary management including hemodialysis with low-calcium dialysate, oxygen therapy, and advanced wound care for calciphylaxis in this population.
Abstract:
Calciphylaxis is an uncommon yet highly severe condition characterized by systemic medial calcification of arterioles, leading to ischemia and subsequent tissue necrosis. we report the case of a 29 year-old female suffering from primary hyperoxaluria type 1 and end-stage renal disease, Developed multiple painful ulcerations on her legs, initially believed to be due to cutaneous oxalosis. However, pathology findings revealed calciphylaxis. The association calciphylaxis and hyperoxaluria is rare, making this case unique. and she was treated with medical therapy, high-flow oxygen therapy and advanced wound dressings to facilitate granulation tissue formation and optimize ulcer healing, and daily hemodialysis with a low-calcium dialysate.
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