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J Korean Radiol Soc. 1987 Oct;23(5):786-792. Korean. Original Article. https://doi.org/10.3348/jkrs.1987.23.5.786
Lee SM , Huh JD , Kim HJ , Joh YD , Chun BH , Woo SK , Suh SJ .
Abstract

Retrospective analysis of forty one retroperitoneal masses was made with CT. All cases were confirmedpathologically by operation or needle aspiration biopsy. The cases were: 14 abscesses, 2 leiomyosarcomas, 2 rhabdomyosarcomas, 2 liposarcoma, 1 undifferentiated sarcoma, 3 endodermal sinus tumors, 4 teratomas, 2neurofibromas, 1 neurilemoma, 3 neuroblastomas, 4 malignant lymphomas, 2 malignant fibrous histiocytomas and 1 hemangiopericytoma. Tumors originated from urinary tract and pancreas were not included. Findings favor tumorrather than inflammation were; large lobulated soft tissue mass with eccentric or heterogeneous low density, thickcavity wall, disruption of fascial planes, regional lymphnode enlargement and distant metastasis.

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