tufted angioma tufted angioma a tufted angioma (also known as an "acquired tufted angioma," "angioblastoma," "angioblastoma of nakagawa," "hypertrophic hemangioma," "progressive capillary hemangioma," and "tufted hemangioma") usually develops in infancy or early childhood on the neck and upper trunk, and is an ill-defined, dull red macule with a mottled appearance, varying from 2 to 5 cm in diameter.: 596 tufted angiomatufted angioblastomaspecialtydermatology