Neurofibromatosis type 1 is a genetic disease characterized by changes in skin pigmentation and the growth of tumors along nerves in the skin, brain, and other parts of the body. Neurofibromas are the most common benign tumours of Neurofibromatosis type 1 developing at any point along a nerve with a neuro-cutanous tropism. This genetic affection is an autosomal dominant disorder with complete penetrance and an important phenotypic variability. Disease manifestations occur at the childhood mostly before five years. Nevertheless, many de novo cases remain undiagnosed well into adult life. Neurofibroma that occur in the breast and constitute a revealing signs of the disease at adulthood are extremely rare.
We report a case of a 30-year-old woman presenting a neurofibroma of the breast revealing Neurofibromatosis type 1.