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Neurofibromatosis of the breast

Breast manifestations of neurofibromatosis is not uncommon in those with neurofibromatosis type 1. It is characterised by multiple subcutaneous neurofibromas affecting the breast. 

Radiographic features

Mammography

Mammographically they appear as well-defined benign appearing masses, often multiple. They are classically peri-areolar in location. Portions of the outline may be rimmed by air density reflecting their superficial nature (giving a halo). These multiple skin lesions can mimick and partially obscure breast lesions on mammogram.

Breast ultrasound

Sonographically neurofibromas are usually seen as well-defined hypoechoic masses with posterior acoustic enhancement located in the subcutaneous tissue with features somwhat similar to a fibroadenoma.

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