淋巴瘤恶性细胞晚期可侵犯骨髓 ,出现弥漫性肿瘤增生 ,并可见于外周血 ,此时出现的白血病为淋巴瘤细胞白血病。我科于 1999年收治 2例青少年的淋巴瘤细胞白血病 ,并造成初诊的误诊 ,现报告如下。例 1,男 ,12岁 ,主因颈部肿物 1个月 ,发热 4～ 5天入院。入院后查 :Ｔ 3 8.7℃ , Late malignant lymphoma cells can invade the bone marrow, appear diffuse tumor hyperplasia, and can be found in the peripheral blood. At this time, the leukemia is lymphoma cell leukemia. In 1999, our department treated 2 cases of adolescent lymphoma cell leukemia and caused misdiagnosis at the first visit. The report is as follows. Example 1, male, 12 years old, mainly due to neck mass for 1 month, fever 4 to 5 days admitted to hospital. After admission, check: T 3 8.7°C ,