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Congress: ECR25
Poster Number: C-11687
Type: Poster: EPOS Radiologist (educational)
DOI: 10.26044/ecr2025/C-11687
Authorblock: A. Dumbadze, M. Kutateladze; Tbilisi/GE
Disclosures:
Anna Dumbadze: Nothing to disclose
Mariam Kutateladze: Nothing to disclose
Keywords: CNS, Neuroradiology brain, Oncology, MR, Contrast agent-intravenous, Education, Staging, Cancer, Metastases, Tissue characterisation
Learning objectives Acknowledge the possibility of non-cancer related extra-axial lesions (meningioma) in breast cancer patients. Recognize the typical radiologic features of meningioma. Identify radiologic differences between meningioma and dural metastasis.  
Read more Background Breast cancer is the most common type of cancer and the leading cause of cancer-related mortality in women worldwide [1]. Dura-based metastasis occurs in 10% of breast cancer patients [2]. Meningioma is the most common primary intracranial neoplasm with a clear female predisposition, and a  2.3:1 female-to-male ratio [3]. Meningioma is typically a benign tumor (ie, benign in 98% of patients; grade one in 80% of patients; grade two, in 18.3% of patients; and grade three in 1.6% of patients),...
Read more Findings and procedure details Typical radiologic characteristics of meningioma: Dural tail sign Adjacent bone hyperostosis Spoke wheel sign – tumor's vessel radial spread Homogenous enhancement Presence of calcification Large lesions may cause adjacent brain edema  Radiologic characteristics worrisome for dural-based metastasis: Adjacent bone destruction Leptomeningeal extension Inhomogeneous enhancement, usually due to necrosis or hemorrhage Adjacent brain edema unrelated to the size of the lesion. Different features are demonstrated in Figures 1-7.
Read more Conclusion Any extra-axial lesion in breast cancer patients is foremost suspicious for metastasis, however, acknowledging the possibility of meningioma coexistence and knowledge of its typical radiological features is crucial.  It determines the patient’s prognosis and directly influences treatment options and therapeutic planning. At the same time, the data potentially underlies the importance of breast cancer screening in patients with meningioma.
Read more References https://gco.iarc.fr/today/en/dataviz/bars?mode=cancer&sexes=2&group_populations=1 Takahashi, H., & Isogawa, M. (2018). Management of breast cancer brain metastases. Chinese clinical oncology, 7(3), 30-30. Ostrom, Q. T., Cioffi, G., Waite, K., Kruchko, C., & Barnholtz-Sloan, J. S. (2021). CBTRUS statistical report: primary brain and other central nervous system tumors diagnosed in the United States in 2014–2018. Neuro-oncology, 23(Supplement_3), iii1-iii105. Low JT, Ostrom QT, Cioffi G, et al. Primary brain and other central nervous system tumors in the United States (2014-2018): a summary of the CBTRUS statistical report for clinicians. Neurooncol Pract. 2022;9(3):165-182. doi:...
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