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A unique bone marrow lymphoma patient presenting with an isolated mass: A case report
1Department of Pediatrics, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, P.R. China.
Abstract:
Bone marrow lymphoma with the onset of an isolated mass in the bone marrow is extremely rare. The present case report described a unique case of B cell lymphoblastic lymphoma (LBL) presenting with an isolated mass in the bone marrow cavity, without any organopathy or lymphadenopathy. An isolated mass in bone marrow is a rare primary manifestation of LBL. The patient in the present case report presented with pain in the right elbow, a fever, pancytopenia and splenomegaly. Additionally, no abnormality was determined in the lymph nodes, the bone marrow karyotype or a computed tomography scan of the humerus. Positron emission tomography (PET) examination revealed an increased uptake of 18F-fluorodeoxyglucose in right distal humerus. An isolated mass in the bone marrow cavity was removed by surgery. Pathological findings revealed B cell LBL. The patient received an acute lymphocytic leukemia chemotherapy regimen and achieved complete remission. However, 4 months following the initial diagnosis, the patient succumbed due to a relapse. The present case highlighted the importance of PET examination and biopsy, and the requirement to identify appropriate treatments for LBL. Additionally, it is important to broaden the differential diagnosis when an isolated mass is identified in the bone marrow cavity.
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