myelocytosis

例句：

1. 1. Myelocytosis is a rare but serious condition that can lead to severe complications.
   骨髓增生症是一种罕见的严重状况，可能导致严重的并发症。
2. 2.The patient was diagnosed with myelocytosis and required immediate treatment.
   患者被诊断出患有骨髓增生症，需要立即治疗。
3. 3.Myelocytosis is often associated with an increased risk of infection due to the abnormal proliferation of white blood cells.
   骨髓增生症常常与白血细胞异常增殖有关，从而增加了感染的风险。