Neurofibromatosis as a Cause of Conductive Hearing Loss: A Case Report

NEUROFIBROMATOSIS EUROFIBROMATOSIS of von Recklinghausen has many manifestations. It has been reported as a cause of optic atrophy and optic chiasmal glioma by Pugh and Schlesinger. 1 Gillespie 2 reported a case of unilateral buphthalmus in a patient with neurofibromatosis. Patients with neurofibromatosis also manifest bony abnormalities. These may include pseudarthrosis, bone defects, and asymmetrical overgrowths as mentioned by Kragh et al. 3 A case of pseudarthrosis of the tibia in a 41-year-old man was reported by Berk and Mankin. 4 Dunn 5 (1965) reported a case of anterolateral bowing of the tibia in a 14-year-old boy. The association of cutaneous lesions in the form of subcutaneous neurofibromata and cafe au lait spots with neurofibromatosis is well known. Preston et al, 6 found cafe au lait spots in 62% of their patients who, in addition, had other manifestations of the disease. They also reported one patient with glioma of the