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Calciphylaxis with normal renal and parathyroid function: not as rare as previously believed
Andrew H Kalajian1, Paula S Malhotra, Jeffrey P Callen
1Division of Dermatology, University of Louisville, 310 E Broadway, Floor 2A, Louisville, KY 40202, USA. akalajian@yahoo.com
Archives of Dermatology
|April 22, 2009
Summary
Calciphylaxis is increasingly seen in patients without kidney or parathyroid issues. Key risk factors include malignancy, corticosteroid use, and obesity, aiding in early diagnosis.
Area of Science:
- Vascular Medicine
- Dermatology
- Oncology
Background:
- Calciphylaxis is a severe microvascular syndrome.
- Traditionally linked to kidney disease and hyperparathyroidism.
- Increasingly reported in patients with normal renal and parathyroid function.
Observation:
- A case of calciphylaxis in a patient with endometrial carcinoma and normal renal/parathyroid function.
- Analysis of 13 similar cases of "nontraditional" calciphylaxis.
- Identified common predisposing patient characteristics.
Findings:
- Hypoalbuminemia
- Malignant neoplasm
- Systemic corticosteroid use
- Anticoagulation (warfarin/phenprocoumon)
- Chemotherapy
- Systemic inflammation
- Hepatic cirrhosis
- Protein C or S deficiency
- Obesity
- Rapid weight loss
- Infection
Implications:
- Calciphylaxis is more prevalent in patients with normal renal and parathyroid function.
- Recognizing these risk factors is crucial for early diagnosis.
- Prompt diagnosis and therapy can improve outcomes for this severe condition.
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