A Case of Retroperitoneal Solitary Neurofibroma

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  • 後腹膜孤立性神経線維腫の1例
  • 症例 後腹膜孤立性神経線維腫の1例
  • ショウレイ アトバラマク コリツセイ シンケイ センイ シュ ノ 1レイ

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Abstract

The patient was 73-year-old woman who had no particular disease history. In August 2013, a bilateral pneumonia-like shadow was noted on chest radiography, and based on expectoration culture test and chest computed tomography (CT) findings, nontuberculous mycobacteriosis was suspected. Follow-up examination with contrast enhanced abdominal CT revealed a lymph node-like tumor with poor enhancement that were connected from the interior margin of the left renal vein to the pelvic cavity, around the left edge of the abdominal aorta. We suspected malignant lymphoma, and performed abdominal biopsy. Pathological findings confirmed solitary neurofibroma. Then, the retroperitoneal tumor was resected. Any tumor infiltration into surrounding organ was not observed nor remained macroscopically. Pathological findings indicated no malignancy. The patient made satisfactory progress, and no recurrence has been observed thus far.<BR>Retroperitoneal solitary neurofibroma not associated with neurofibromatosis Type-1 is rare. We presented a case of the solitary neurofibroma originated in the retroperitoneal cavity, and review of the literature.

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