Figure 5. Endometriosis of the round ligament. (a) T₁ weighted spin echo (T1WSE) fat suppressed and (b) post-contrast T1WSE fat suppressed sequence showing enhancement of both round ligaments (arrows) owing to inflammation secondary to endometriosis. Note the two large endometriomas containing the products of haemorrhage anterior to the uterus and posterior to the right round ligament (arrowheads).