诊断标准一、全血细胞减少 ,网织红细胞绝对值减少 (如 2系减少 ,其中必需有血小板减少 )。二、一般无脾肿大。三、骨髓至少 1个部位增生减低或重度减低 (有条件则应作骨髓活检 )。四、除外其他全血细胞减少的疾病 ,如夜间阵发性血红蛋白尿、骨髓增生异常综合征、急性白血病等 Diagnostic criteria A pancytopenia, reticulocyte absolute reduction (such as 2 Department decreased, of which there must be thrombocytopenia). Second, the general absence of splenomegaly. Third, at least one site of bone marrow hyperplasia reduced or severely reduced (if conditions should be made for bone marrow biopsy). Fourth, except for other pancytopenia diseases, such as nocturnal paroxysmal hemoglobinuria, myelodysplastic syndrome, acute leukemia, etc.