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Acta Haematol. 2010;124(1):5-8. doi: 10.1159/000314900. Epub 2010 May 26.

T cell large granular lymphocytic leukemia in association with Sjögren's syndrome.

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  • 1Division of Hematology with BMT, Department of Oncology, University of Palermo, Palermo, Italy.


T cell large granular lymphocytic (LGL) leukemia is a rare condition accounting for 2-3% of all mature lymphoid leukemias. Here, we present the case of a 73-year-old woman presenting with neutropenia and anemia (hemoglobin 9.9 g/dl). Hematological assessment revealed the presence of a T cell LGL leukemia. At the time of T cell LGL leukemia diagnosis, the patient developed xerophthalmia and xerostomia, and a diagnosis of Sjögren's syndrome was made following salivary gland biopsy. The finding of large granular lymphocytes in the context of autoimmune disorders is well-known, though it often occurs with rheumatoid arthritis or in association with a positive autoantibody titer in the absence of an overt clinical picture. The concomitant presentation of T cell LGL leukemia with Sjögren's syndrome is a rare event which is worth reporting. Our patient was managed with immunosuppressive therapy and is still alive.

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