Angiomatosis of the Breast

Differential Diagnosis

Angiosarcoma of the Breast	Angiomatosis of the Breast
Variable patterns: channels, papillae, spindle cells	Uniform pattern of vessels
Usually a t least focal cytologic atypia	Cytologically bland
Invades lobules	Does not invade lobules
Frequent papillae and tufting	No papillae or tufting

Complete excision and examination are required to insure accurate diagnosis of an apparently benign vascular lesion in the breast

Angiomatosis is an extremely rare lesion; it is a diagnosis that requires consultation

Angiomatosis	Perilobular Hemangioma	Hemangioma	Venous Hemangioma
Mass lesion	Microscopic, incidental lesion	Mass lesion	Mass lesion
Diffuse, infiltrating	Localized	Localized	Localized
Cavernous	Predominantly capillary	Usually cavernous	Cavernous

Complete excision and examination is required for the diagnosis of any benign vascular lesion in the breast