Neurofibromatosis na nufin cutar da ke haifar da ciwace-ciwacen ciwace-ciwacen da ba shi da kansa (benign) a sassa daban-daban na jiki, ciki har da jijiyoyi, fata, da sauran gabobin. Akwai nau'ikan neurofibromatosis guda uku: NF1, NF2, da schwannomatosis, kowannensu yana da alamomi daban-daban da kuma sanadin kwayoyin halitta. NF1 shine nau'in da aka fi sani kuma sau da yawa yana haifar da rashin daidaituwa na fata, nakasar kashi, da sauran matsalolin lafiya. NF2 yana shafar jijiyoyi da ke da alhakin ji da daidaituwa, yana haifar da asarar ji da al'amurran da suka shafi daidaitawa, yayin da schwannomatosis da farko yana haifar da ciwace-ciwacen ƙwayoyi a kan jijiyoyi na gefe.