患者,男,44岁,既往体健。2009年2月因“面白、乏力、皮肤出血点伴咳嗽1个月”至我院就诊。门诊查血常规三系降低,考虑全血细胞减少待查收入院。体检:贫血貌,皮肤散在淤点,浅表淋巴结未及肿大,胸骨无压痛,心肺无异常,腹平软,无压痛、反跳痛,肝脾肋下未触及。辅助检查:胸片、腹部B Patient, male, 44 years old, previously healthy. February 2009 due to “face white, fatigue, skin bleeding point with cough for 1 month ” to our hospital. Out-patient routine blood test to reduce the three-line, consider the pancytopenia to be admitted to hospital. Physical examination: anemia appearance, skin scattered in the bruise, superficial lymph nodes swelling, sternal no tenderness, no abnormal heart and lung, abdominal soft, no tenderness, rebound tenderness, liver and spleen ribs not touched. Auxiliary examination: chest X-ray, abdomen B