Neurofibromatosis type I--a rare case resulting in conductive hearing loss.

Notwithstanding the many similarities, there are important differences between NF1 and NF2. NF1-related neurofibromas, which can number in the hundreds, can occur all over the body. Unique clinical situations, such as the case described here, can occur that test the ingenuity of the physician. Once the presenting problem has been ameliorated, genetic counseling is imperative in this common and at times devastating genetic disease.