Rectosigmoid endometriosis - mushroom cap sign

Gustavo Aguiar

doi:10.53347/rid-68037

Rectosigmoid endometriosis - mushroom cap sign

Gustavo Aguiar

In: Radiopaedia.org · 2019 · doi:10.53347/rid-68037 · W4254690042

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⚙ AI-generated summary by gemini-2.5-flash-lite, 2026-08-12 ⓘ

The "mushroom cap" sign on T2-weighted MR images is a specific finding indicative of solid invasive endometriosis within the rectosigmoid colon.

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Abstract

The MR imaging features of solid rectosigmoid endometriosis include a “mushroom cap” sign, which is considered a specific finding of solid invasive endometriosis of the rectosigmoid colon on T2-weighted MR images

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Condition tags

endometriosis

Citation neighborhood (sparse)

Too few in-corpus citations on either side for a chart; here are the lists.

Cites (2)

References (2)

Findings of Pelvic Endometriosis at Transvaginal US, MR Imaging, and Laparoscopy via openalex
MR Imaging of Endometriosis: Ten Imaging Pearls via openalex

Source provenance

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[1] Findings of Pelvic Endometriosis at Transvaginal US, MR Imaging, and Laparoscopy 2011

[2] MR Imaging of Endometriosis: Ten Imaging Pearls 2012