可见多种粒细胞形式，包括不成熟的髓细胞和杆状核嗜中性粒细胞，是一种骨髓及外骨髓增殖的状态，称为慢性髓性白血病，这种疾病在中年人常见。须与类白血病相鉴别，可用的检测是粒细胞碱性磷酸酶（LAP），慢性髓性白血病较低而类白血病反应较高。
There are numerous granulocytic forms seen here, including immature myeloid cells and bands. This condition is one of the myeloproliferative states and is known as chronic myelogenous leukemia (CML) that is most prevalent in middle-aged adults. A useful test to help distinguish this disease is the leukocyte alkaline phosphatase (LAP) score, which should be low with CML and high with a leukemoid reaction.
