Leiomyosarcoma MRI

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Overview

MRI is an imaging method using signal detection from spinning protons exposed to a magnetic field and offers superior soft tissue contrast to and better evaluation of tumor size, spread, and neurovascular involvement than CT.

MRI

On MRI,Leiomyosarcomas commonly manifest as large infiltrating mass of heterogeneous hypo intensity on T1-weighted images,with irregular and ill-defined margins.On T2-weighted images,they usually show intermediate-to-high signal intensity, with central hyper intensity indicative of extensive necrosis.Hemorrhage is common and foci of calcification may be present.