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21例均通过X线、内窥镜、超声波、病理学、同位素、免疫学及骨穿、骨髓活检检查证实,其中原发于胃肠癌8例,肺癌5例,乳腺癌2例,鼻咽癌1例,甲状腺癌1例,神经母细胞瘤1例,前列腺癌1例,7例未查到原发病灶为来源不明转移瘤.男13例,女8例,年龄22～75岁(平均58)岁.主要表现;13例因先出现骨髓转移首次就诊于血液科,而后查到原发灶,8例确诊原发病后2～30个月转移至骨髓,100%病人出现贫血及骨、关节疼痛,其他以感染、出血、肝脾淋巴结肿大为常见症状.
All 21 cases were confirmed by X-ray, endoscopy, ultrasound, pathology, isotope, immunology, bone puncture, and bone marrow biopsy, of which 8 cases were primary gastrointestinal cancer, 5 lung cancer, 2 breast cancer, and nasopharyngeal There were 1 case of carcinoma, 1 case of thyroid carcinoma, 1 case of neuroblastoma, 1 case of prostate cancer, and 7 cases of primary metastases from unknown sources. 13 males and 8 females, aged 22 to 75 years (average 58) years of age. The main performance; 13 cases first appeared in the Department of Hematology due to the first occurrence of bone marrow metastases, and then found the primary tumor, 8 cases of the diagnosis of the primary disease after 2 to 30 months of bone marrow transfer, 100% of patients with anemia and bone , joint pain, other infections, bleeding, lymph nodes enlargement of the liver and spleen are common symptoms.