A 69-year-old man with left chest and back pain was found to have an osteolytic mass (4.2 x 3.8 cm) in the left 8th rib by chest X-ray and computed tomography (CT) in August 2003. There were no abnormal findings in the abdomen, lung, mediastinum or bone except the left 8th rib. Although the spontaneous disappearance of pleural effusion and the elevated CRP suggested the possibility of myelitis, the malignancy of the rib could not be ruled out, and the surgery was performed in September 2003. The mass was resected en bloc together with the involved 8th rib. The histological diagnosis was primary non-Hodgkin lymphoma (diffuse, medium-sized to large B-cell lymphoma).
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机译：2003年8月，胸部X射线和计算机断层扫描（CT）检查发现一名69岁的左胸和腰背痛男子的左8肋骨有溶骨性肿块（4.2 x 3.8厘米）。在腹部，肺，纵隔或骨骼中发现，但第8肋除外。尽管胸腔积液自发消失和CRP升高提示可能发生脊髓炎，但不能排除肋骨恶性肿瘤，于2003年9月进行了手术。肿块与受累的第8肋骨一起整块切除。组织学诊断为原发性非霍奇金淋巴瘤（弥漫性，中型至大B细胞淋巴瘤）。
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