Objective: To investigate the types and laboratory characteristics of non-Hodgkin lymphoma(NHL) with bone marrow invasion as the first manifestation.
Methods: 81 non-Hodgkin lymphoma patients with bone marrow invasion as the first manifestation treated in our hospital from January 2010 to July 2019 were selected. The clinical features, blood routine, lactate dehydrogenase (LDH), EB virus results, bone marrow features, immunophenotyping, gene and genetic characteristics of all patients were analyzed retrospectivel.
Results: Among 81 patients, 73 cases(90%) were B-cell lymphoma, 5 cases(6%) were T-cell lymphoma and 3 cases(4%) were NK/T-cell lymphoma, while the mantle cell lymphoma and diffuse large B-cell lymphoma were the highest, which accounted for 21%(17 cases) and 19.7%(16 cases), and lymphoma accounted for 8.6%(7 cases). There were 44 cases(54.3%) showed B symptoms, 65 cases (80.2%) showed abnormal blood routine. The MYD88 gene was detected in 5 of 17 cases. 25 cases of patients underwent chromosome examination, the result showed that 5 cases were t(8; 14) (q24; q32), 3 cases were complex karyotype and 17 cases were normal karyotype. 23 cases(23.4%) were EB virus positive, 42 cases(51.9%) were LDH increased. The proportion of bone marrow lymphoma cells was 1%-92%. Among them, 32 cases were diagnosed as lymphoma leukemia, and 6 cases of bone marrow lymphoma cells showed mass distribution similar to extramedullary tumor cells with bone marrow metastasis.
Conclusion: B-cell lymphoma is the predominant NHL with bone marrow invasion as the first manifestation, while mantle cell lymphoma and diffuse large B-cell lymphoma are the most common pathological types with blood routine abnormalities. Bone marrow lymphoma cells can also present clusters of bone marrow metastasis, different types of lymphoma cells can make directional diagnosis.
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| http://dx.doi.org/10.19746/j.cnki.issn.1009-2137.2021.04.020 | DOI Listing |
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