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Primary retroperitoneal schwannoma: report of 11 cases / 中华泌尿外科杂志
Chinese Journal of Urology ; (12): 749-752, 2014.
Article in Chinese | WPRIM | ID: wpr-469853
ABSTRACT
Objective To study the diagnosis and treatment of retroperitoneal schwannoma.Methods Clinical data of 11 cases of primary retroperitoneal schwannomas were analyzed retrospectively from February 1990 to September 2014.There were 6 males and 5 females,with a median age of 46 years,and the median tumor size was 9.6 cm (4.5-12.3 cm).Seven cases were revealled due to physical examination,3 cases were revealled due to ipsilateral lower back pain or discomfort,and 1 case was revealled due to right lower extremity numbness.There were no clinical manifestations of hypertension or appearance shape change,and there were no abnormal findings in routine laboratory and endocrine examinations.Radiological examination showed a retroperitoneal mass.There were 3 cases in the left adrenal gland,1 case in the right adrenal gland,3 cases in the lower pole of left kidney and 4 cases in the lower pole of right kidney.Four patients were initially diagnosed as adrenal tumors,and 7 patients were diagnosed as kidney tumors.Results All the 11 cases underwent surgical resection,with 7 cases of complete resection,1 case of capsule resection,2 cases of partial resection and 1 case of biopsy.The pathology of immunohistochemical staining showed S-100 positive in 10 cases of benign retroperitoneal schwannomas.During the follow-up period for 1.5-24 years (median 14 years),no recurrence and malignance was observed.One case of malignant retroperitoneal schwannoma died of multiple metastases in 17 months after opreation.Conclusions Primary retroperitoneal schwannoma is rare and preoperative diagnosis is difficult.Clinical manifestations and radiological findings are usually nondiagnostic,and histopathology is the only way for final diagnosis.Complete surgical resection is proved to be the best choice.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Urology Year: 2014 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Urology Year: 2014 Type: Article