Point-of-Care Ultrasound: An Emerging Tool for Diagnosing Calciphylaxis

Abstract

Calciphylaxis is a disease involving medial calcification of dermal arterioles, resulting in cutaneous necrosis. Diagnosis is typically clinical, but it is frequently misdiagnosed. Skin biopsy, the gold standard diagnostic test, is hindered by risk, patient refusal, and difficulties with histologic evaluation. This case series investigates using soft tissue point-of-care-ultrasound (POCUS) to aid in diagnosis. It describes ultrasound images obtained from patients diagnosed with calciphylaxis. These potentially pathognomonic sonographic findings in the proper clinical context include superficial hyperechoic foci lining small-caliber vessels with posterior acoustic shadowing. This demonstrates the diagnostic potential of POCUS in evaluating patients with possible calciphylaxis.