Wilms' tumor MRI

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

Overview

MRI may be helpful in the diagnosis of Wilms' tumor.

MRI

[Location] MRI may be helpful in the diagnosis of [disease name].

Abdominal magnetic resonance imaging (MRI) is reportedly the most sensitive imaging modality for determination of caval patency and may be important in determining whether the inferior vena cava is directly invaded by the tumor. Wilms tumor demonstrates low signal intensity on T1-weighted images and high signal intensity on T2-weighted images.

MRI is probably the most accurate modality in assessing for IVC involvement . These tumours appear heterogeneous on all sequences and frequently contain blood products, but typically are:

• T1: hypointense
• T1 C+ (Gd): heterogeneous enhancement
• T2: hyperintense