Neurofibromas of the larynx occur sporadically or in association with von Recklinghausen's disease. The first reported case of isolated endolaryngeal neurofibroma in 1925 1 has been followed by occasional reports. 2–4 The aryepiglottic folds are the usual sites of occurrence, and the tumor frequently obscures the endolarynx. Following is a case of solitary neurofibroma of the larynx; preoperative diagnosis was difficult to make, and the tumor was treated surgically.