Retroperitoneal Masses: Magnetic Resonance Imaging Findings with Pathologic Correlation

Khaled M. Elsayes, Paul T. Staveteig, Vamsidhar R. Narra, Zong Ming Chen, Yahia L. Moustafa, Jeffrey Brown

Research output: Contribution to journalReview articlepeer-review

28 Scopus citations


Primary retroperitoneal masses are a rare but diverse group of benign and malignant processes. Magnetic resonance (MR) imaging is playing an increasing role in evaluating retroperitoneal soft-tissue masses. Since the MR imaging features of most retroperitoneal soft-tissue masses are nonspecific, prediction of a specific histologic diagnosis remains a challenge for the radiologist. However, there are certain specific MR imaging appearances that are helpful. Dynamic enhancement patterns can reflect the vascularity of masses, differentiating benign from malignant soft-tissue masses. This article pictorially illustrates the MR imaging features of various common and uncommon retroperitoneal masses.

Original languageEnglish
Pages (from-to)97-106
Number of pages10
JournalCurrent Problems in Diagnostic Radiology
Issue number3
StatePublished - May 2007


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