[Diagnostic and therapeutic problems occasioned by a voluminous cervical schwannoma (author's transl)].

A tumour of the nervous sheath, the schwannoma often entails difficult diagnostic problems linked to its anatomopathological polymorphism. A medical case of a benign schwannoma of the neck has been reported. In this case, it concerns a tumour moreworthy for its size, its adherence, elements which are unusual in a regular tumour which is well inserted in a capsule, and which has entailed difficult therapeutic problems. Its atypical histological shape brought up a debate between its diagnostic on the one of a fibro-myxoma.