MR imaging findings of deep pelvic endometriosis – Pictorial essay

You Sung Kim
2011 · doi:10.1594/ecr2011/c-0923 · W2749527930
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This pictorial essay illustrates the magnetic resonance imaging findings associated with deep pelvic endometriosis, aiding in diagnosis and characterization of the disease.

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This educational exhibit reviews the current concepts, pathogenesis, and diagnostic assessment of deep pelvic endometriosis, also known as deep infiltrating endometriosis. The authors highlight magnetic resonance imaging as a highly accurate modality for evaluating these invasive lesions, which extend more than five millimeters from the peritoneal surface into adjacent structures. Key MRI characteristics discussed include T2 shading in endometriomas and the identification of associated fibrosis, muscular hyperplasia, and adhesions. This paper is centrally about endometriosis — specifically focusing on the radiological features and preoperative diagnosis of deep infiltrating disease using MR imaging.

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Abstract

Poster: ECR 2011 / C-0923 / MR imaging findings of deep pelvic endometriosis – Pictorial essay by: S. Kim, J. Y. Byun, S. E. Jung, S. E. Rha; Seoul/KR
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Keywords

Obstetrics, Inflammation, Education, MR, Genital / Reproductive system female Authors: Y. S. Kim, J. Y. Byun, S. E. Jung, S. E. Rha; Seoul/KR DOI: 10.1594/ecr2011/C-0923 Learning objectives 1.To review the current concepts of deep pelvic endometriosis 2.To review MR findings of deep pelvic endometriosis 3.To discuss the importance of MR imaging for preoperative diagnosis of deep pelvic endometriosis

Background

Deep pelvic endometriosis, also called deep infiltrating endometriosis, defined as the presence of invasive endometriotic lesions extending more than 5 mm from the peritoneal surface into adjacent structures and is associated with fibrosis and muscular hyperplasia. At MRI, endometriomas generally homogeneous with high signal intensity on T1-weighted images and characteristically low signal on T2-weighted images, which is referred to as “T2 shading”. Imaging findings OR Procedure details 1. Clinical aspects 2. Pathogenesis 3. Diagnosis and assessment 4. Sites of deep pelvic endometriosis 5. Adhesion

Conclusion

MRI is an excellent imaging modality for the evaluation of patients with deep pelvic endometriosis, showing high accuracy in the diagnosis and prediction of disease extent.

References

1.Genevieve L. Bennett, Chrystia M. Slywotzky, Mariela Cantera, et al. Unusual manifestations and complications of endometirosis-Spectrum of imaging findings:Pictorial review, AJR 2010;194:WS34-46 2.Sung Il Jung, Young Jun Kim, Hae Jeoung Jeon, al al. Deep infiltrating endometriosis: CT imaging evaluation. J Comput Assist Tomogr 2010;34:338-342 3.Leonardo Marcal, Maria Angela Nothaft, Francisco Coelho, et al. Deep pelvic endometirosis: MR imaging. Abdom Imaging 2010:April:14 (online) 4.Nathalie Hottat, Caroline Larrousse, Vincent Anaf, et al. Endometriosis: Contribution of 3.0-T pelvic MRI imaging in preoperative assessment-Initial results. Radiology 2009;253:126-134 5.Bazot M....

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Condition tags

endometriosis

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