A Case of Benign Fibrous Histiocytoma Arising from the Tongue in a Two-Month-Old Infant

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  • 生後2ヵ月の乳児の舌に発生した良性線維性組織球腫例
  • セイゴ 2カゲツ ノ ニュウジ ノ シタ ニ ハッセイ シタ リョウセイ センイセイ ソシキキュウ シュレイ

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<p>Benign fibrous histiocytoma is a soft tissue tumor of unknown etiology that arises from the subcutaneous tissue, which accounts for 15% of all soft tissue tumors. The incidence of benign fibrous histiocytoma in the head and neck region is rather low, being on the order of a few percent, and there are scarce reports of its occurrence in the oral cavity. In addition, the tumor predominantly occurs in those over 25 years old, and onset in infants is quite rare.</p><p>We report a case of a two-month-old boy with benign fibrous histiocytoma arising from the tongue. The tumor in the tongue was detected at 40 days after birth. However, the child was brought to our department at a later date, because the tumor had grown and the child had difficulty in swallowing. The tumor, 25 mm×25 mm in size, was found on the left edge of the tongue. Tumor resection under general anesthesia was performed, and histopathology of the resected tumor revealed a benign fibrous histiocytoma. There has been no recurrence of the tumor, dysarthria, or dysphagia until now, three years after the surgery. Tumors of the tongue are rare in infants, but benign fibrous histiocytoma should be included in the differential diagnosis in infants presenting with tumors of the tongue.</p>

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