label: Sinusoidal Hemangioma
label_lc: sinusoidal hemangioma
description: "A rare hemangioma occurring mainly in middle-aged adults. The most common location is in the trunk. The lesions are small, asymptomatic, and bluish. They are composed of irregular, dilated, congested thin-walled vascular channels with scant smooth muscle in a sinusoidal or sieve-like pattern. (WHO 2018)"