외이도의 고립성 섬유종 1예
A Case of Solitary Fibrous Tumor in the External Auditory Canal
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Solitary fibrous tumor (SFT) is a rare benign spindle-cell neoplasm, most often found in thepleura. Recently, it has been reported to appear throughout the body but rarely in head andneck region. Tumors in the external auditory canal, in particular, have been very rarely reported. We experienced a case of a 55-year-old male with a 6-month history of progressive swellingfrom the orifice of left external auditory canal. The tumor was round, well circumscribed,almost completely obstructing the left external auditory canal. On the enhanced temporalbone CT and enhanced paranasal sinus MRI, a 2.0×1.7 cm sized mass was observed at the leftexternal auditory canal. He was treated with surgical excision under general anesthesia. Histopathologicexamination confirmed the diagnosis of SFT. This case report presents a rarecase of a SFT arising in the external auditory canal.
Abstract
Solitary fibrous tumor (SFT) is a rare benign spindle-cell neoplasm, most often found in thepleura. Recently, it has been reported to appear throughout the body but rarely in head andneck region. Tumors in the external auditory canal, in particular, have been very rarely reported. We experienced a case of a 55-year-old male with a 6-month history of progressive swellingfrom the orifice of left external auditory canal. The tumor was round, well circumscribed,almost completely obstructing the left external auditory canal. On the enhanced temporalbone CT and enhanced paranasal sinus MRI, a 2.0×1.7 cm sized mass was observed at the leftexternal auditory canal. He was treated with surgical excision under general anesthesia. Histopathologicexamination confirmed the diagnosis of SFT. This case report presents a rarecase of a SFT arising in the external auditory canal.
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