Shading sign of endometrioma

In: Radiopaedia.org · 2012 · doi:10.53347/rid-17665 · W4247067394
reference-entry OA: hybrid CC0
AI-generated summary by claude@2026-06, 2026-06-11

The shading sign, characterized by T2 shortening in T1 hyperintense adnexal cysts, is a useful MR imaging feature for distinguishing endometriomas.

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Abstract

Shading sign is the magnetic resonance (MR) imaging finding of T2 shortening in an adnexal cyst that is hyperintense on T1-weighted images. It is helpful as a distinguishing feature of endometriotic cysts (endometriomas) on MR imaging.

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Condition tags

endometrioma

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openalex
last seen: 2026-05-11T04:52:18.166454+00:00
License: CC0 · commercial use OK