Number: | 27ESURABS0067 |
Type: | Educational Electronic Presentation |
Authors: | Mafalda Machado, Carla Bahia, Pedro Alves, Rodrigo Monteiro, André Teixeira Gomes, Carolina Carneiro, Fernanda Vilela, Ana Sofia L. Moreira |
Keywords: | endometriosis; sonovaginography; MRI; ultrasound |
- To review the female anatomy and main locations of peritoneal implants.
- To describe sonovaginography (SVG) technique, used in the study of women with suspected endometriosis.
- To describe and illustrate the findings of deep infiltrating endometriosis on SVG, and correlation with the magnetic resonance imaging (MRI) appearance.
Endometriosis is a chronic gynecological disease characterized by the growth of functional ectopic endometrial glands outside the uterus. It can be clinically silent or present with chronic pelvic pain and infertility.
Endometriosis can be divided in three groups:
- Ovarian endometrioma
- Superficial peritoneal implants: endometriotic foci are located at the peritoneal surface or less than 5 mm from it;
- Deep infiltrating endometriosis (DIE): endometriotic nodules are located more than 5 mm away from the peritoneal surface, and may extend to the retroperitoneal space and wall of adjacent organs.
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TVS is many times the first imaging modality in women with pelvic chronic pain or suspected endometriosis. A significant proportion of women with a “normal” TVS, who have chronic pelvic pain, will have subsequent abnormal findings on laparoscopy, emphasising the need for every radiologist to be familiar with some of endometriosis sonographic features.
We want to highlight the importance of searching specific signs of endometriosis when performing a TVS in women with chronic pelvic pain, infertility or clinically suspected endometriosis, such as the sliding sign and search for DIE nodules in the anterior and posterior compartments.
SVG has an important role in cases in which findings of endometriosis have already been found, in order to evaluate its extent with a dedicated protocol, once it enables a...
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