[Polyneuropathies as a diagnostic and therapeutic task].

Despite their variety the syndromes of peripheral neuropathy are variations of just one subject. The most different lesions might be their cause. Therefore, one should not be satisfied with the diagnosis peripheral neuropathy, but should always try to clarify the etiology. Form and extension of the disturbances give essential hints. As far as possible, therapy should be directed against the respective causes. For several types of neuropathy prevention is possible. Symptomatic treatment is also important and in many cases even essential for survival.