Zhongguo shi yan xue ye xue za zhi · 2021
[Effect of CDK1 Interferes with the Regulation of PLK1, Aurora B and TRF1 on the Proliferation of Leukemia Cells].
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Li Hui-Min, Chang Xiang-Xiang, Huang Lai-Quan
Аннотация
OBJECTIVE: To investigate the clinical characteristics, diagnosis and treatment of 1 case EBV negative extranodal NK/T cell lymphoma (ENKTL) patients.
METHODS: The clinical manifestations, diagnosis and treatment of one case ENKTL patients with EBV negative were analyzed retrospectively.
RESULTS: A 46-year-old woman diagnosed as positive for exosanal NK/T cell lymphoma (EBER+) in September 2016 was treated by 6 courses of CHOEP regimen chemotherapy and local nasopharyngeal radiotherapy, without regular follow-up review. On March 20, 2020, the patient was admitted to our hospital for multiple rashes and rupture of the right knee joint for morethan 2 months. Histopathology showed inflammatory exudation and necrotic tissue, atypia lymphocytes were observed, and part of them were grew around the blood vessels. Immunohistochemistry showed: heterotypic lymphocytes CD3 (partial +) , CD43+, CD20-, PAX-5-, CD4-, CD8-, CD56+, GrB+, TIA-1+, Ki-67 (10%+) , and chromogenic in situ hybridization (CISH): EBER-, the patient was diagnosed as recurrent NK/T cell lymphoma (nasal type) stage IV B group (CA stage) and skin involvement of NK/T cell lymphoma by combining PET-CT, bone marrow cell morphology, flow cytometry, chromosome karyotype analysis and TCR rearrangement, etc. On April 4, 2020, the patient was treated by CEOP-L regimen (4 courses) and central lymphoma prophylactic intrathecal chemotherapy. PET-CT re-examination showed the patient achieved PR, and the treatment regimen was changed to Gemos-L regimen.
CONCLUSION: EBV negative ENKTL is rare in clinic and easy to be misdiagnosed, so it should be distinguished from peripheral T cell lymphoma. This case was treated with EBV positive ENKTL regimen, with good short-term efficacy.
METHODS: The clinical manifestations, diagnosis and treatment of one case ENKTL patients with EBV negative were analyzed retrospectively.
RESULTS: A 46-year-old woman diagnosed as positive for exosanal NK/T cell lymphoma (EBER+) in September 2016 was treated by 6 courses of CHOEP regimen chemotherapy and local nasopharyngeal radiotherapy, without regular follow-up review. On March 20, 2020, the patient was admitted to our hospital for multiple rashes and rupture of the right knee joint for morethan 2 months. Histopathology showed inflammatory exudation and necrotic tissue, atypia lymphocytes were observed, and part of them were grew around the blood vessels. Immunohistochemistry showed: heterotypic lymphocytes CD3 (partial +) , CD43+, CD20-, PAX-5-, CD4-, CD8-, CD56+, GrB+, TIA-1+, Ki-67 (10%+) , and chromogenic in situ hybridization (CISH): EBER-, the patient was diagnosed as recurrent NK/T cell lymphoma (nasal type) stage IV B group (CA stage) and skin involvement of NK/T cell lymphoma by combining PET-CT, bone marrow cell morphology, flow cytometry, chromosome karyotype analysis and TCR rearrangement, etc. On April 4, 2020, the patient was treated by CEOP-L regimen (4 courses) and central lymphoma prophylactic intrathecal chemotherapy. PET-CT re-examination showed the patient achieved PR, and the treatment regimen was changed to Gemos-L regimen.
CONCLUSION: EBV negative ENKTL is rare in clinic and easy to be misdiagnosed, so it should be distinguished from peripheral T cell lymphoma. This case was treated with EBV positive ENKTL regimen, with good short-term efficacy.