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Three different techniques have been employed for surgical treatment of 62 ulnar nerves at the elbow region provoking neuropathies. Disorders became worse in 2 out of 11 patients treated by endofascicular neurolysis and this procedure should be abandoned. Overall sensory-motor results of subcutaneous anterior transposition of the nerve, performed in 26 cases, were inferior (78 p. cent good results) to those obtained by neurolysis combined with longitudinal epineurotomy (95 p. cent good results), applied in 25 cases. Almost constant disappearance of subjective symptoms, pain and paresthesia, was observed with the two latter methods. Treatment proposed for the ulnar tunnel syndrome is therefore simple neurolysis combined with longitudinal epineurotomy. Prognostic factors cannot be assessed from this study, the age, time between onset and operation, and the degree of paralysis having no incidence on the postoperative improvement obtained.

Twenty-two patients with common peroneal neuritis from Hansen's disease were treated surgically. Physiopathologic and semiologic features of the affection are discussed, as well as the rules for therapeutic protocols, which should involve both medical and surgical treatment, and the operative technique described. Results on motor function appear to be satisfactory, but are dependent on many factors (duration of the neuritis, importance of the compressive factor, immunopathological form of the disease, quality of medical treatment). The indications for these neurolytic procedures are defined, and are predominantly any hyperalgic deficiency neuritis. The only contraindications are chronic painless palsies where improvement is doubtful because of neural fibrosis.

The author present his experience of the repair of nerve lesions in the lower limb. The cases are classified into four main groups: traumatic lesions; acute and chronic compression; tumours and leprosy. The traumatic lesions include those associated with a clean wound, missile injuries, traction injuries and a miscellaneous group. The diagnosis and treatment of the different lesions are discussed. The results of nerve grafting using microsurgical techniques are presented. The results are good enough, even in severe traction injuries, to recommend the repair of nerve lesions of the lower limbs in the circumstances which are outlined.