術前診断が上皮内癌であった鼻腔扁平上皮癌の1症例

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  • A case of squamous cell carcinoma of the nasal cavity having a preoperative diagnosis of carcinoma in situ

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We report a case of squamous cell carcinoma of the nasal cavity which was diagnosed as Bowen's disease (carcinoma in situ). A 21-year-old man came to hospital complaining of nasal congestion. A diagnosis of Bowen's disease was made by biopsy. A mass lesion was indentified based on his right nasal cavity and exclusion productive shade by the computed tomography image (CT), and magnetic resonance imaging (MRI). The tumor mass had reached the anterior cranial base and epipharynx.<br>We need to treat the tumor as carcinoma in situ, and initial choices of surgical procedures were considered on the basis of sufficient safety margin and extirpation without residual lesion.<br>An intranasal tumorectomy with external nasal dissection, anterior cranial base dissection, and forearm flap reconstruction were performed. The ultimate pathological outcome was squamous cell carcinoma. Even in light of the diagnosis of carcinoma in situ, we believe that radical consideration of the optimal procedure is preferable including extended resection for cases of images indicating suspected invasive cancer.

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  • 頭頸部外科

    頭頸部外科 20 (3), 201-206, 2011

    特定非営利活動法人 日本頭頸部外科学会

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