CD20dim-positive T-cell large granular lymphocytic leukemia in a patient with concurrent hairy cell leukemia and plasma cell myeloma |
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| Authors: | Xu Xiangdong Broome Elizabeth H Rashidi Hooman H South Sarah T Dell'aquila Marie L Wang Huan-You |
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| Affiliation: | 1Division of Clinical Pathology, Department of Pathology, University of California San Diego Health Sciences, 3855 Health Science Drive, La Jolla, California 92093, USA;2Department of Pathology, Veterans Affairs Medical Center, 3550 La Jolla Village Drive, San Diego, California 92161, USA;3Departments of Pediatrics and Pathology, ARUP Laboratories, University of Utah, Salt Lake City, UT 84108, USA |
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| Abstract: | We report a CD20dim- positive T-cell large granular lymphocytic (T-LGL) leukemia in a patient with concurrent hairy cell leukemia and plasma cell myeloma. This patient was first diagnosed with T-LGL leukemia with dim CD20 expression, which by itself was a rare entity. He received no treatment for T-LGL leukemia. The patient later developed a hairy cell leukemia, which went into complete clinical remission after one cycle of 2-CdA. Five years later, he was diagnosed with a third malignancy, plasma cell myeloma. Complex cytogenetic aberrancies were present at the time when plasma cell myeloma was diagnosed. This is the first report, to the best of our knowledge, in the English literature with the aforementioned three distinct hematopoietic malignancies in one patient. |
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| Keywords: | CD20 T-cell large granular lymphocytic leukemia hairy cell leukemia plasma cell myeloma |
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