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Clinical and laboratory features of Adult T-cell Leukemia/lymphoma (ATL): a study of 37 cases

Clinical and laboratory features of Adult T-cell Leukemia/lymphoma (ATL): a study of 37 cases AbstractAdult T-cell leukemia/lymphoma (ATL) related to the human T-cell lymphotropic virus type I (HTLV-I) is a malignant lymphoproliferative disease. ATL is classified in four subtypes: lymphoma, acute, smoldering and chronic. We analyzed, retrospectively, 46 consecutive patients with T-cell disease with ATL diagnosed from 1995 to 2007. ATL diagnose was confirmed in 37 of these patients. There were 26 females and 11 males (70% vs 30%, respectively, p=0.014). The median age was 42 years old. Twenty-five were nonwhite and twelve were white (67.6% vs 32.4%, respectively, p=0.033).Twenty two patients had the acute form, eight had chronic form and seven had lymphomatous form. Two of them had osteolytic lesions. There were two cases with pulmonary infiltrates; one patient had ATL associated to Hansen’s disease. All cases had antibodies to HTLV-I confirmed by Western Blot, polymerase chain reaction (PCR) was performed in 22 cases. Flow cytometry revealed positivity for CD4 and CD25 in most cases. The mean and median overall survival time was 11.3 months and 2 months, respectively. The family´s study showed that 60% of the mothers were HTLV-I seropositive. These data emphasize the importance of a serologic screening for HTLV and immunophenotyping to differentiate ATL from others T-lymphoproliferative disorders. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Acta Haematologica Polonica de Gruyter

Clinical and laboratory features of Adult T-cell Leukemia/lymphoma (ATL): a study of 37 cases

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Publisher
de Gruyter
Copyright
© 2018 Polish Society of Hematology and Transfusion Medicine, Insitute of Hematology and Transfusion Medicine. Published by Sciendo.
eISSN
2300-7117
DOI
10.2478/ahp-2018-0014
Publisher site
See Article on Publisher Site

Abstract

AbstractAdult T-cell leukemia/lymphoma (ATL) related to the human T-cell lymphotropic virus type I (HTLV-I) is a malignant lymphoproliferative disease. ATL is classified in four subtypes: lymphoma, acute, smoldering and chronic. We analyzed, retrospectively, 46 consecutive patients with T-cell disease with ATL diagnosed from 1995 to 2007. ATL diagnose was confirmed in 37 of these patients. There were 26 females and 11 males (70% vs 30%, respectively, p=0.014). The median age was 42 years old. Twenty-five were nonwhite and twelve were white (67.6% vs 32.4%, respectively, p=0.033).Twenty two patients had the acute form, eight had chronic form and seven had lymphomatous form. Two of them had osteolytic lesions. There were two cases with pulmonary infiltrates; one patient had ATL associated to Hansen’s disease. All cases had antibodies to HTLV-I confirmed by Western Blot, polymerase chain reaction (PCR) was performed in 22 cases. Flow cytometry revealed positivity for CD4 and CD25 in most cases. The mean and median overall survival time was 11.3 months and 2 months, respectively. The family´s study showed that 60% of the mothers were HTLV-I seropositive. These data emphasize the importance of a serologic screening for HTLV and immunophenotyping to differentiate ATL from others T-lymphoproliferative disorders.

Journal

Acta Haematologica Polonicade Gruyter

Published: Aug 30, 2018

References