Neurofibromatosis type 1

A common genetic disease (incidence rate 1:3,000), accompanied by the development of many benign (much less often malignant) tumors of the central and peripheral nervous system. On the skin there are spots of the color "coffee with milk", multiple freckles with localization mainly in the axillary and inguinal region. Manifestations of the disease from the nervous system include: epilepsy, hydrocephalus, headaches, intellectual impairment. Bone lesions in the form of deformities and the formation of false joints are also characteristic.