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Congress: ECR25
Poster Number: C-28203
Type: Poster: EPOS Radiologist (educational)
Authorblock: S. Chiu, A. Da Silva, C. Qin, Y. Tsitsiou, A. G. Rockall; London/UK
Disclosures:
Selina Chiu: Nothing to disclose
Andrea Da Silva: Nothing to disclose
Cathy Qin: Nothing to disclose
Yvonne Tsitsiou: Nothing to disclose
Andrea Grace Rockall: Nothing to disclose
Keywords: Genital / Reproductive system female, CT, MR, Education, Tissue characterisation
Learning objectives Optimal imaging protocols for CT and MRI in ovarian cancer The typical appearances of peritoneal disease on CT How MRI can clarify indeterminate findings on CT Challenging imaging areas on CT and MRI Non-typical metastatic sites, including thoracic nodal involvement and parenchymal metastases
Read more Background Ovarian cancer (OC) is the most lethal gynaecologic malignancy, with the majority of patients presenting with disseminated disease. While CT of the chest, abdomen, and pelvis remains the standard imaging modality for staging, it poses challenges in identifying and assessing the extent of disease, particularly in complex regions. MRI provides superior soft-tissue contrast and may be particularly useful for evaluating areas that may alter the patient’s primary treatment (primary cytoreductive surgery vs primary chemotherapy). A combined approach with both imaging techniques...
Read more Findings and procedure details A series of cases is presented to illustrate both typical and atypical imaging findings in advanced ovarian cancer. The focus is on the use of MRI, a valuable imaging modality for confirming equivocal disease sites observed on CT scans. Certain areas, such as the peritoneal reflections and porta, are better evaluated with MRI, as these can be difficult to assess with CT. This is particularly important in patients with ascites, where peritoneal disease assessment becomes more challenging to appreciate.Additionally, uncommon...
Read more Conclusion CT and MRI are complementary in the assessment of advanced ovarian cancer. MRI enhances CT findings by improving visualisation of difficult-to-assess regions and detecting unusual metastatic sites. The integration of both imaging modalities allows for more accurate staging, supporting better treatment planning and improving patient outcomes. 
Read more References Shinagare AB, Sadowski EA, Park H, Brook OR, Forstner R, Wallace SK, Horowitz JM, Horowitz N, Javitt M, Jha P, Kido A, Lakhman Y, Lee SI, Manganaro L, Maturen KE, Nougaret S, Poder L, Rauch GM, Reinhold C, Sala E, Thomassin-Naggara I, Vargas HA, Venkatesan A, Nikolic O, Rockall AG. Ovarian cancer reporting lexicon for computed tomography (CT) and magnetic resonance (MR) imaging developed by the SAR Uterine and Ovarian Cancer Disease-Focused Panel and the ESUR Female Pelvic Imaging Working...
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