[Abdominal involvement in neurofibromatosis type 1]. / Abdomineller Befall bei Neurofibromatose Type 1.

Neurofibromas are benign tumours that arise from neuroectodermal tissues. They may occur as solitary lesions, or multiple, then referred to as neurofibromatosis, or von Recklinghausen's disease. We report on a 27-year old patient with large involvement of many nerve trunks and plexus (elephantiasis nervosa), responsible for bowel obstruction and anuria.