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[Small lymphocytic lymphoma/chronic lymphocytic leukemia with t(11;14)].

Kyoji Ueda, Mitsushige Nakao, Yumiko Akano, K Nomura, Y Fujita, T Okamoto, S Yokota, Shigeo Horiike, Shôji Nakamura, Masafumi Taniwaki

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Abstract

A 83-year-old woman was referred to our hospital because of swollen lymph nodes, marked splenomegaly, and bone marrow abnormality. Histological examination of the lymph nodes revealed characteristic findings for small lymphocytic lymphoma/chronic lymphocytic leukemia (SLL/CLL). The immunophenotype of the tumor cells was CD5+, 10-, 19+, 20+, 23-, IgM+D+. Interphase fluorescent in situ hybridization (FISH) detected t(11;14), and immunohistochemical studies demonstrated cyclin D1 expression. In both SLL/CLL and mantle cell lymphoma (MCL), the normal counterpart of the tumor cells is thought to be CD5-positive B1 cells. The present case may therefore have been borderline between SLL/CLL and MCL.

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What this paper is about

A 83-year-old woman was referred to our hospital because of swollen lymph nodes, marked splenomegaly, and bone marrow abnormality. Histological examination of the lymph nodes revealed characteristic findings for small lymphocytic lymphoma/chronic lymphocytic leukemia (SLL/CLL). The immunophenotype of the tumor cells was CD5+, 10-, 19+, 20+, 23-, IgM+D+. Interphase fluorescent in situ hybridization (FISH) detected t(11;14), and immunohistochemical studies demonstrated cyclin D1 expression. In both SLL/CLL and mantle cell lymphoma (MCL), the normal counterpart of the tumor cells is thought to be CD5-positive B1 cells. The present case may therefore have been borderline between SLL/CLL and MCL.

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Available abstract

A 83-year-old woman was referred to our hospital because of swollen lymph nodes, marked splenomegaly, and bone marrow abnormality. Histological examination of the lymph nodes revealed characteristic findings for small lymphocytic lymphoma/chronic lymphocytic leukemia (SLL/CLL). The immunophenotype of the tumor cells was CD5+, 10-, 19+, 20+, 23-, IgM+D+. Interphase fluorescent in situ hybridization (FISH) detected t(11;14), and immunohistochemical studies demonstrated cyclin D1 expression. In both SLL/CLL and mantle cell lymphoma (MCL), the normal counterpart of the tumor cells is thought to be CD5-positive B1 cells. The present case may therefore have been borderline between SLL/CLL and MCL.

Key concepts: Medicine, CD5, Chronic lymphocytic leukemia, Immunophenotyping, Mantle cell lymphoma, Pathology, Bone marrow, Lymphoma

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[Small lymphocytic lymphoma/chronic lymphocytic leukemia with t(11;14)]. — Research Paper | ScholarLens