Leiomyosarcoma MRI

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]Associate Editor(s)-in-Chief: Nima Nasiri, M.D.[2]

Overview

MRI is usefull diagnostic tool for detecting tumor's spread to lymph nodes or internal organs in pelvic or abdomen, it also has a valuable role in follow-up for the evaluation for tumor recurrence. Findings on MRI of patients with leiomyosarcoma can be heterogenous mass with irregular borders.

MRI

On T1-weighted images of MRI, leiomyosarcomas has the following descriptions:

• large infiltrating myometrial mass of heterogeneous hypointensity with irregular margins.

On T2-weighted images, tumors have the following features:

• Intermediate-to-high signal intensity, with central hyperintensity indicative of extensive necrosis.
• Hemorrhage is common and calcification may be present.