Mushroom cap sign is one of the important signs of
[A] Hydatid cyst of Lungs
[B] Carcinoma of colon
[C] Rupture of Spleen
[D] Rectosigmoid endometriosis
Mushroom cap sign
- Mushroom cap sign- important signs of deep rectosigmoid endometriosis
- Seen on T2 weighted MRI sequence.
- It indicates the submucosal involvement in the rectosigmoid colon.
- The hypertrophic muscularis propria appears as heterogeneous low signal intensity surrounded by the high signal intensity of mucosa and submucosa. This gives the characteristic appearance of a mushroom cap.
Case courtesy of Gustavo Aguiar, Radiopaedia.org. From the case rID: 68037
