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- W3032415551 abstract "ObjectiveTo investigate clinical manifestations, histopathological and immunohisto-chemical features of lymphoblastic lymphoma/leukemia with skin lesions as the initial manifestation.MethodsClinical data were collected from 6 cases of lymphoblastic lymphoma/leukemia initially manifesting as skin lesions in Hospital of Dermatology of Chinese Academy of Medical Sciences and Peking Union Medical College between 2012 and 2015, and clinical and histopathological features were retro-spectively analyzed.ResultsThe 6 patients included 4 males and 2 females, of whom, 4 were children or youths, and 2 were adults. The median age of onset was 13.5 years, and the median disease duration was 8.5 months. The skin lesions mainly manifested as single (1 case) or multiple (5 cases) nodules or infiltrative plaques. Histopathological examination showed dense monomorphous infiltrates composed of atypical lymphoid cells in the dermis and subcutaneous adipose tissue. The tumor cells in most cases were medium-sized with scant cytoplasm, stippled chromatin and small nucleoli. The infiltration of lymphoid cells was separated from the epidermis by a grenz zone. A ′starry sky′ appearance was observed in 1 case. Based on the immunopheno-types, 2 cases were diagnosed as B-cell lymphoblastic lymphoma, 2 as T-cell lymphoblastic lymphoma, and other 2 as B/T-cell biphenotypic lymphoblastic lymphoma. The treatment of this disease was difficult. After chemotherapy, 1 patient achieved complete remission, and 2 patients achieved partial remission.ConclusionB-cell and T-cell lymphoblastic lymphoma have similar clinical and histopathological characteristics, and can only be distinguished from each other based on immuno-phenotypes, thus early bone marrow and imaging examinations are particularly important.Key words: Precursor cell lymphoblastic leukemia-lymphoma; Skin manifestations; Leukemic infiltration; Pathologic processes; Immunohistochemistry" @default.
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- W3032415551 date "2017-02-15" @default.
- W3032415551 modified "2023-09-23" @default.
- W3032415551 title "Clinicopathological analysis of six cases of lymphoblastic lymphoma/leukemia with skin lesions as the initial manifestation" @default.
- W3032415551 doi "https://doi.org/10.3760/cma.j.issn.0412-4030.2017.02.010" @default.
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