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Clinical mimickers of calciphylaxis: A retrospective study
Colleen K Gabel1, Amy E Blum2, Josie François2
1Department of Dermatology, Massachusetts General Hospital, Boston, Massachusetts.
Most calciphylaxis (73.1%) patients are misdiagnosed, often as cellulitis. Early diagnosis of this ischemic vasculopathy is critical for effective management and improved outcomes.
Area of Science:
- Nephrology
- Dermatology
- Vascular Medicine
Background:
- Calciphylaxis is a severe ischemic vasculopathy with high mortality.
- Accurate and timely diagnosis is crucial for patient management.
- Clinical mimics can lead to delayed or incorrect diagnoses.
Purpose of the Study:
- To determine the frequency and risk factors for calciphylaxis misdiagnosis.
- To identify common clinical conditions that mimic calciphylaxis.
Main Methods:
- Retrospective review of 119 calciphylaxis patients.
- Data collected from a tertiary care hospital (2006-2018).
Main Results:
- 73.1% of calciphylaxis patients were initially misdiagnosed.
- Misdiagnoses included cellulitis (31.0%) and skin infections (8.0%).
- Misdiagnosed patients experienced significantly longer diagnostic delays (33 vs. 4.5 days).
Conclusions:
- Misdiagnosis of calciphylaxis is common, leading to treatment delays.
- Understanding misdiagnosis risk factors can improve clinical education.
- Further education on calciphylaxis is needed to reduce diagnostic errors.
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