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A case of pleomorphic adenoma with extensive spontaneous necrosis Mitsuhiro Aoki 1 , Natsuko Obara 2 , Hiroshi Okuda 2 , Hideo Miyata 1 , Hideki Mori 3 1Department of Otolaryngology/Center for Dizziness and Deafness, Ogaki Tokushukai Hospital Keyword: 耳下腺良性腫瘍 , 疼痛 , 腫脹 pp.193-196
Published Date 2024/2/20
DOI https://doi.org/10.11477/mf.1411203592
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 Pleomorphic adenomas of the parotid gland rarely cause pain or swelling. We report the case of a 55-year-old man with a parotid gland pleomorphic adenoma and acute and painful swelling. The MRI revealed a parotid gland tumor with extensive internal necrosis. The tumor was completely removed without any side effects. The histopathological findings revealed broadly pleomorphic adenomas with extensive central necrosis. Necrosis of the parotid gland following fine-needle aspiration biopsy has been reported in benign and malignant tumors. However, pleomorphic adenomas with spontaneous necrosis, as observed in the present case, are extremely rare.


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電子版ISSN 1882-1316 印刷版ISSN 0914-3491 医学書院

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