Abstract
To investigate the pathological characteristics of bone marrow in non-Hodgkin's lymphoma(NHL) patients with secondary myelofibrosis and their relationship with disease prognosis. The pathological characteristics of bone marrow in 14 NHL patients with secondary myelofibrosis and 30 NHL patients without secondary myelofibrosis received from January 2012 to December 2013 in Department of Hematology, the First Affiliated Hospital Xi'an Jiaotong University Medical School were analysed, and overall survival and progress-free survival rates of NHL patients with and without secondary myelofibrosis were analyzed and compared. 14 cases of NHL with secondary myelofibrosis including 9 cases of lymphoma cell leukemia were all at stage IV and had hyperplasia of bone marrow fibrous tissue, the Gomori staining were all positive. When the lymphoma cells in bone marrow decreased or negative, their Gomori staining were negative. If the disease relapsed, the Gomori staining became positive again. There were 30 cases of NHL at stage IV wihtout secondary myelofibrosis. The overall survival rates and progression-free survival rates at 1,3,5 years in these patients were 100%, 93.1%, 57.6% and 100%, 92.6%,52.6% respectively. The overall survival rates and progression-free survival rates at 1,3,5 years in 14 NHL patients with secondary myelofibrosis were 92.9%,81.3%, 48.8% and was 71.8%, 62.3%, 47.9%, respectively. NHL patients with secondary myelofibrosis are almost at stage IV, especially in the patients with lymphoma cell leukemia. They had different degree of hyperplasia of bone marrow fibrous tissue, and the myelofibrosis would be reduced or disappeared when the disease in remission. The overall and progression -free survival rates decrease in NHL patients with secondary myelofibrosis, compared with patients without secondary myelofibrosis. Secondary myelofibrosis is one of the indicators of poor prognosis.
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