A case report of atypia in angiomatous microcystic meningioma: A mimicker and masker of intratumoral metastasis in a patient with no known systemic malignancy
{"title":"A case report of atypia in angiomatous microcystic meningioma: A mimicker and masker of intratumoral metastasis in a patient with no known systemic malignancy","authors":"H. Tan, S. Low, C. Tan","doi":"10.4103/glioma.glioma_31_20","DOIUrl":null,"url":null,"abstract":"Intratumoral metastasis is rare, and in the brain, meningiomas are the most common type of primary brain tumors to harbor metastases. We report a case of angiomatous microcystic meningioma associated with intratumoral metastatic lung adenocarcinoma in a patient with no prior history of malignancy, in which the pronounced atypia of the meningioma potentially mimics or masks the minute focus of metastatic cancer. A meticulous search for intratumoral metastasis within the meningioma is recommended if metastasis is clinically suspected. A formal ethical approval for the single case report is waived by the Institutional Review Board of National University Health System, Singapore.","PeriodicalId":12731,"journal":{"name":"Glioma","volume":"4 1","pages":"12 - 14"},"PeriodicalIF":0.0000,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Glioma","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.4103/glioma.glioma_31_20","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
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Abstract
Intratumoral metastasis is rare, and in the brain, meningiomas are the most common type of primary brain tumors to harbor metastases. We report a case of angiomatous microcystic meningioma associated with intratumoral metastatic lung adenocarcinoma in a patient with no prior history of malignancy, in which the pronounced atypia of the meningioma potentially mimics or masks the minute focus of metastatic cancer. A meticulous search for intratumoral metastasis within the meningioma is recommended if metastasis is clinically suspected. A formal ethical approval for the single case report is waived by the Institutional Review Board of National University Health System, Singapore.
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