title: [On a retroperitoneal neurogenic sarcoma in Recklinghausen's neurofibromatosis].
mesh_terms: D006801:Humans; D008297:Male; D008875:Middle Aged; D009380:Neoplasms, Nerve Tissue / Q000209:etiology; D009456:Neurofibromatosis 1 / Q000150:complications*; D012186:Retroperitoneal Neoplasms / Q000209:etiology*; D012509:Sarcoma / Q000209:etiology*
vernacular_title: Uber ein retroperitoneales neurogenes Sarkom bei Neurofibromatose von Recklinghausen.