Abstract

Angiomas are tumors of endothelial origin and rarely are they malignant. The neoplastic process arises in buds of endothelial tissue which may grow extensively but do not seem to connect with normal vessels in the surrounding tissue. But one afferent and efferent channel is ascribed to the angioma, and occlusion of either should eventuate in regression of the lesion. TYPES OF LESIONS Excepting nevus flammeus (port wine stain), a large majority of hemangiomas will spontaneously involute at a relatively early age, but therapy is frequently warranted. This applies to both the superficial (strawberry mark) and deep (cavernous) hemangiomas, which two varieties are most commonly observed and frequently occur in combination. Nevus flammeus, nevus araneus (stellate or spider angioma), senile angiomas, lymphangiomas and more rare forms are not included in this discussion. INDICATIONS FOR THERAPY' Most strawberry and cavernous angiomas are either present at birth or appear within the first few

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