Posterocentral Compartment (Rectum)

Rectal endometriosis represents one of the most severe forms of deep endometriosis. Radiologists are tasked with optimizing imaging to ensure accurate detection and then providing a detailed assessment of the extent of rectal involvement. Transvaginal ultrasonography is currently considered the first-line technique for initial diagnosis. MRI is recognized as the best imaging modality, offering a comprehensive roadmap, especially in surgical decision-making. Managing rectal endometriosis is complex, and multidisciplinary team discussion evaluating the risk–benefit balance of options provides the optimal personalized treatment, such as hormonal therapies or surgical approaches. When surgery is indicated, the success of surgical intervention and the choice of surgical technique—such as partial or complete discoid resection or segmental resection—depend on the accurate interpretation of imaging findings. This allows for informed patient consent and facilitates planning for colorectal involvement when needed. Critical key imaging factors include the exact location of the lesion; the lesion’s distance from the anal verge; the size, depth, and circumferential extent of rectal involvement; any associated deep endometriotic lesions; and the lesion count. Access this chapter Tax calculation will be finalised at checkout Purchases are for personal use only Similar content being viewed by others

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Imaging modalities for the non-invasive diagnosis of endometriosis. Cochrane Database Syst Rev 2016; 2:CD009591. Author information Authors and Affiliations Corresponding author Editor information Editors and Affiliations Rights and permissions Copyright information © 2025 The Author(s), under exclusive license to Springer Nature Switzerland AG About this chapter Cite this chapter Rousset, P., Ruaux, E., Bolze, PA., Cotte, E., Thomassin-Naggara, I., Golfier, F. (2025). Posterocentral Compartment (Rectum). In: Thomassin-Naggara, I. (eds) Imaging of Endometriosis: A Comparative Guide of US, MRI and Surgery. Springer, Cham. https://doi.org/10.1007/978-3-031-82750-1_9 Download citation DOI: https://doi.org/10.1007/978-3-031-82750-1_9 Published: Publisher Name: Springer, Cham Print ISBN: 978-3-031-82749-5 Online ISBN: 978-3-031-82750-1 eBook Packages: MedicineMedicine (R0)