1病例资料女性,41岁,因“乏力20余天,头晕、头痛6d”于2015年6月11日入院。患者入院时无发热、咳嗽、腹痛、腹泻,无呕血黑便。体格检查示重度贫血貌,口唇、甲床苍白。全身皮肤黏膜无黄染,双下肢可见散在瘀斑。全身淋巴结无肿大,胸骨中下段压痛,肝脾肋下未触及。血常规:白细胞43.27×10~9/L,分类淋巴细胞占46%、中性粒细胞占2%,异常细胞占50%, 1 Case Information Female, 41 years old, due to “fatigue more than 20 days, dizziness, headache 6d ” on June 11, 2015 admission. Patients admitted to hospital without fever, cough, abdominal pain, diarrhea, no hematemesis melena. Physical examination showed severe anemia appearance, lips, nail bed pale. Whole body mucous membrane without yellow dye, both lower extremity scattered ecchymosis. No lymph node enlargement, sternum in the lower tenderness, liver and spleen ribs did not touch. Blood: white blood cells 43.27 × 10 ~ 9 / L, classification of lymphocytes accounted for 46%, 2% of neutrophils, abnormal cells accounted for 50%