1992 年 13 巻 1 号 p. 43-44
nchial anomalies, hearing loss and renal dysplasia, being regarded as an autosomal dominant disorder. We presented an 8-year-old girl who had bilateral preauricular pits, bilateral lateral cervical fistulae, and mixed type of bilateral hearing loss. The cause of hearing loss was determined as ossicular deformity and cochlear hypoplasia using CT films. Renal dysplasia was not detected. She underwent surgery for the branchial anomalies with uneventful course. Her father also had branchial anomalies.