外耳道母斑細胞母斑の臨床病理学的検討 : 4症例の経験から

概要

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Four patients with nevocellular nevi originating in the external auditory canal were reported. There were 40 cases of neoplasmas originating from nevus cells of the external auditory canal reported in the Japanese literature, and in 9 of the 40 patients these neoplasms were reported as malignant. We reviewed the reports of these 9 patients and found that there were only two patients in which malignant melanoma was definitively diagnosed. In our otorhinolaryngological field, neoplasms originating from nevus cells of the external auditory canal are usually called as melanoma of the external auditory canal or pigmented nevus. This terminology, however, is obscure, and we proposed the clinical and diagnostic term, nevocellular nevus, which clearly describes its origin.
社団法人日本耳鼻咽喉科学会の論文