Subendometrial halo

Last revised by Yaïr Glick on 10 Sep 2019

The subendometrial halo is a hypoechoic stripe formed at the innermost part of the myometrium directly bordering the endometrium. It is important to assess its continuity in order to rule out myometrial invasion in endometrial carcinoma.

This hypoechoic line may be thickened in case of adenomyosis.

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