Nevus araneus lesions are acquired. One lesion or small numbers of lesions unrelated to internal disease may occur in children or adults. Patients with liver disease or cirrhosis Cirrhosis Cirrhosis is a late stage of hepatic fibrosis that has resulted in widespread distortion of normal hepatic architecture. Cirrhosis is characterized by regenerative nodules surrounded by dense... read more develop many spider angiomas that may become quite prominent. Many women develop lesions during pregnancy or while taking oral contraceptives.
The lesions are asymptomatic and usually resolve spontaneously about 6 to 9 months postpartum or after oral contraceptives are stopped. Lesions are not uncommon on the faces of children. Compression of the central vessel temporarily obliterates the lesion.