A Case of Spindle Cell Carcinoma of the Hypopharynx

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  • Kaminota Teppei
    Department of Otorhinolaryngology, Head and Neck Surgery, Ehime University, Graduate School of Medicine
  • Yamada Hiroyuki
    Department of Otorhinolaryngology, Head and Neck Surgery, Ehime University, Graduate School of Medicine
  • Hato Naohito
    Department of Otorhinolaryngology, Head and Neck Surgery, Ehime University, Graduate School of Medicine

抄録

Spindle cell carcinoma is a rare tumor that contains both a conventional epithelial squamous component and a sarcomatous spindle cell component. Here, we report a rare case of spindle cell carcinoma of the hypopharynx. The patient was a 49-year-old woman who visited our hospital complaining of discomfort in the throat. A pedunculated tumor originating from the left piriform sinus was observed. Contrast-enhanced CT and T1-weighted MR images showed a well-demarcated mass with heterogeneous enhancement and a pedunculated mass adjacent to the left piriform sinus. A biopsy led to the diagnosis of an undifferentiated pleomorphic sarcoma. A partial pharyngectomy and left neck dissection were performed. The pathologic diagnosis was consistent with spindle cell carcinoma. Pathologically, the surgical margins were negative, and cervical lymph node metastasis was not observed. No signs of recurrence were observed at a 26-month follow-up examination.

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