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Congress: ECR25
Poster Number: C-22186
Type: Poster: EPOS Radiologist (educational)
DOI: 10.26044/ecr2025/C-22186
Authorblock: M. Zamora Valls, S. Mercado Cárcel, K. J. Rozenfeld, M. Llinas, J. Forner, C. M. F. Hernández, P. P. Bono, V. Troconis Vaamonde, A. Couchoud Falcó; Valencia/ES
Disclosures:
Marta Zamora Valls: Nothing to disclose
Sara Mercado Cárcel: Nothing to disclose
Kim Julie Rozenfeld: Nothing to disclose
Marta Llinas: Nothing to disclose
Juana Forner: Nothing to disclose
Carmen María Fernández Hernández: Nothing to disclose
Pilar Pastor Bono: Nothing to disclose
Valentina Troconis Vaamonde: Nothing to disclose
Alba Couchoud Falcó: Nothing to disclose
Keywords: Abdomen, Genital / Reproductive system female, CT, MR, Education, Education and training
Learning objectives To describe the radiological findings of the different types of extrauterine leiomyomatosis in order to optimize its diagnosis. 
Read more Background A retrospective observational study was carried out in our hospital over the 2021 to 2024 period. The study put forth three patients that presented extrauterine leiomyomas. 
Read more Findings and procedure details Uterine leiomyomas, also known as myomas or fibroids, are benign tumors of myometrial origin which are the most common pelvic tumors in women, affecting 20-30% of women over 35 years (1,2).The radiologic diagnosis of classic uterine leiomyomas is straightforward given their typical imaging features and their common clinical manifestations. Diagnostic imaging shows: By ultrasonography (US), usually the initial technique, they are shown as well-defined hypoechoic lesions. They can also be isoechoic or hypoechoic. They can have calcifications, cysts or necrotic areas...
Read more Conclusion Extrauterine leiomyomatosis is a rare disorder which typically presents itself  in premenopausal women with a history of hysterectomy or myomectomy. Although the definitive diagnosis is histopathological, radiologists must be familiar with the imaging characteristics of this entity in order to include it in the differential diagnosis with other pathologies and, in some cases, avoid invasive diagnostic techniques and unnecessary treatment.
Read more References Martínez-Cachero García M, Menéndez de Llano Ortega R, Martínez Camblor L, Carrasco Aguilera B, Rodríguez Castro J, Gómez Illán R. Extrauterine leiomyomatosis, the great mimicker. Radiologia (Engl Ed). 2023 May-Jun;65(3):251-257. doi: 10.1016/j.rxeng.2023.01.004. Epub 2023 May 10. PMID: 37268367. Fasih N, Prasad Shanbhogue AK, Macdonald DB, Fraser-Hill MA, Papadatos D, Kielar AZ, Doherty GP, Walsh C, McInnes M, Atri M. Leiomyomas beyond the uterus: unusual locations, rare manifestations. Radiographics. 2008 Nov-Dec;28(7):1931-48. doi: 10.1148/rg.287085095. PMID: 19001649. Wilde S, Scott-Barrett S. Radiological appearances of uterine...
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