What diagnosis is suggested by the finding on the sole of this patient's foot?: (A) Chemical burn, (B) Pemphigus, (C) Thrombotic vasculopathy, (D) Radiation dermatitis
Answer is C. Answer C. Thrombotic vasculopathyThe purpuric skin eruption has a netlike arrangement referred to as retiform. Retiform purpura is an indication of an acute thrombotic vasculopathy. If it is acute and rapidly progressive in a febrile patient, it suggests purpura fulminans.