Angiolymphoid hyperplasia with eosinophilia.

Angiolymphoid hyperplasia with eosinophilia is manifested by benign vascular tumors that usually occur about the head in young adults. Clinical and histologic variation of this process has resulted in nosologic confusion, and the cases in the English literature were reviewed to characterize it within racial groups. Oriental patients tend to be younger at onset, usually male, and have marked blood eosinophilia; large, but relatively asymptomatic, tumors develop in these patients. White patients tend to be older at onset and have small, friable tumors. Large tumors that are painful or pruritic tend to develop in blacks and Middle Eastern patients.