{"title":"不寻常的毛细胞白血病病例与不寻常的免疫表型:诊断的挑战","authors":"Ying Liu, Elham Vali-Betts, N. Ku","doi":"10.1097/PCR.0000000000000338","DOIUrl":null,"url":null,"abstract":"Hairy cell leukemia (HCL) is a rare indolent B-cell neoplasmwith distinct morphologic and immunophenotypic features. Immunophenotypically, the neoplastic cells in HCL are strongly positive for B-cell markers, such as CD19, CD20, and CD22. They also characteristically express CD11c, CD25, CD103, and CD123, but lack CD5, CD10, and CD23. Uncommon immunophenotypes of HCL can pose diagnostic challenges. Here, we report 2 unusual cases of CD5-positive and CD10-positive HCL.","PeriodicalId":43475,"journal":{"name":"AJSP-Reviews and Reports","volume":"26 1","pages":""},"PeriodicalIF":0.2000,"publicationDate":"2019-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Unusual Cases of Hairy Cell Leukemia With Uncommon Immunophenotypes: A Diagnostic Challenge\",\"authors\":\"Ying Liu, Elham Vali-Betts, N. Ku\",\"doi\":\"10.1097/PCR.0000000000000338\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Hairy cell leukemia (HCL) is a rare indolent B-cell neoplasmwith distinct morphologic and immunophenotypic features. Immunophenotypically, the neoplastic cells in HCL are strongly positive for B-cell markers, such as CD19, CD20, and CD22. They also characteristically express CD11c, CD25, CD103, and CD123, but lack CD5, CD10, and CD23. Uncommon immunophenotypes of HCL can pose diagnostic challenges. Here, we report 2 unusual cases of CD5-positive and CD10-positive HCL.\",\"PeriodicalId\":43475,\"journal\":{\"name\":\"AJSP-Reviews and Reports\",\"volume\":\"26 1\",\"pages\":\"\"},\"PeriodicalIF\":0.2000,\"publicationDate\":\"2019-11-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"AJSP-Reviews and Reports\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1097/PCR.0000000000000338\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"AJSP-Reviews and Reports","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1097/PCR.0000000000000338","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Unusual Cases of Hairy Cell Leukemia With Uncommon Immunophenotypes: A Diagnostic Challenge
Hairy cell leukemia (HCL) is a rare indolent B-cell neoplasmwith distinct morphologic and immunophenotypic features. Immunophenotypically, the neoplastic cells in HCL are strongly positive for B-cell markers, such as CD19, CD20, and CD22. They also characteristically express CD11c, CD25, CD103, and CD123, but lack CD5, CD10, and CD23. Uncommon immunophenotypes of HCL can pose diagnostic challenges. Here, we report 2 unusual cases of CD5-positive and CD10-positive HCL.
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Each issue of Pathology Case Reviews examines one vital theme in the field with peer-reviewed, clinically oriented case reports that focus on diagnosis, specimen handling and reports generation. Each theme-oriented issue covers both histopathologic and cytopathologic cases, offering a comprehensive perspective that includes editorials and review articles of the newest developments in the field, differential diagnosis hints, applications of new technologies, reviews of current issues and techniques and an emphasis on new approaches.
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