PMC6639653_01
The clinical photograph shows a localized, painful, necrotic skin on the right inner thigh.
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The patient presented with thigh pain that progressed to necrotic skin lesions on the right thigh (Fig. 1) about 2 weeks prior to admission, then developed into large skin necrosis on the right thigh with a violaceous patch on the left thigh on admission (Fig. 2) without fever.
The skin biopsy specimen from the right thigh shows (A) calcific vessel walls on the deep dermis and (B) the calcification is positive of von Kossa stain.
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The sections of skin on the right thigh showed non-specific inflammation and necrosis with calcification involving small arteries without findings suggestive of vasculitis (Fig. 3).