Abstract
First branchial cleft is the only branchial structure that persists as the external ear canal, while all other clefts are resorbed. Incomplete obliteration and the degree of closure cause the varied types of first branchial cleft anomalies. They were classified based on the anatomical and histological features. We present an unusual type of first branchial cleft anomaly involving the external auditory canal, the middle ear and the nasopharynx through the eustachian tube.
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Ada, M., Korkut, N., Güvenç, M.G. et al. Unusual extension of the first branchial cleft anomaly. Eur Arch Otorhinolaryngol 263, 263–266 (2006). https://doi.org/10.1007/s00405-005-0985-3
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DOI: https://doi.org/10.1007/s00405-005-0985-3