Endometriosis - Imaging approach (Case-based Approach) | Radiology Board Review Case

Imaging of Endometriosis and differential diagnosis.
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🎙Ultrasound features of Endometriosis
- Homogeneous, hypoechoic focal lesion.
- Can be unilocular or multilocular
- Low level internal echoes.
- Echogenic wall foci - Best single predictor.
- No vascularity.

📠 MRI features of Endometriosis
- Include T1 fat saturated sequence.
- T2 shading: Cyst that is hyperintense on a T1-weighted image becomes hypointense on a T2-weighted image.
- Reflects the chronic nature of an endometrioma and helps differentiate it from other blood-containing lesions.
- Deep pelvic endometriosis
- Differentials: Hemorrhagic cyst, dermoid cyst, mucinous carcinoma.

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I'm Amar Udare, a radiology fellow training at McMaster University Canada. I have a passion for teaching and I believe in #FOAMrad - Free Open Access Medicine - Radiology.

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⏱Time Stamps:
0:00 - Introduction
0:25 - PACS based MRI images
3:20 - Description of findings on MRI
3:40 - Endometriosis - pathophysiology
6:23 - Ultrasound features and differentials of endometriosis
8:30 - Companion case
10:20 - CT features of endometriosis (Clues to diagnosis)
11:10 - MRI features of endometriosis
18:05 - Revision of MRI imaging features and pearls for diagnosis
23:10 - QnA