中华医学杂志
2025年 · 第105卷第27期
中华医学杂志
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A 56-year-old male was seen in Qingdao Municipal Hospital for "fever for more than 1 month, aggravated with left middle and upper abdominal pain for 3 days". Perfect blood routine showed: white blood cells 5.63×109/L, lymphocytes (LYM) 1.08×109/L, platelets 55×109/L; Chest CT showed diffuse ground glass density shadows in both lungs with blurred boundaries and uneven density (Figure 1); Abdominal CT showed hepatosplenomegaly with wedge-shaped infarction (Figure 2, shown by arrows). After admission, he was given levofloxacin, piperasela/tazobactam, compound sulfamethoxazole tablets for anti-infection, peramivir for anti-virus, methylprednisolone for anti-inflammation and symptomatic supportive treatment, but his condition did not improve. PET-CT examination 10 days later showed diffuse hypermetabolism in both lungs; Hepatosplenomegaly with diffuse hypermetabolism, wedge-shaped infarction in the spleen (Figure 3, shown by arrows). Percutaneous liver biopsy was performed, and pathology showed that a large number of atypical lymphoid cells were seen in the hepatic sinus (Figure 4, hematoxylin-eosin staining ×400, indicated by arrows); Immunohistochemical results: CD3 (-), CD56 (-), CD4 (-), CDB (-), TIA-1 (-), CD5 (-), CD20 (+), LCA (+), Ki67 (80% +), PAX-5 (+), MUM1 (-), BCL2 (+), BCL6 (-), c-Myc (-), CD10 (-), CD30 (-), combined with immunohistochemical and clinical manifestations, the patient's lesions were consistent with intravascular large B-cell lymphoma (IVLBCL).
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