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Benign schwannoma in the hepatoduodenal ligament: Report of a case

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A 62-year-old woman with a large mass in the hepatic hilus underwent surgery. Histologically the tumor was predominantly composed of spindle-shaped cells with nuclear palisading and cells that stained positively for S-100 protein. The diagnosis was benign schwannoma (neurilemoma). The presence of lymphoid cuffing with lymphoid follicles in the capsule and xanthomatous change differed from conventional soft parts schwannoma and closely resembled benign schwannoma in the gastrointestinal tract.

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Nagapuchi, Y., Mitsuo, H., Takeda, S. et al. Benign schwannoma in the hepatoduodenal ligament: Report of a case. Surg Today 23, 68–72 (1993).

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