摘要: CONGENITAL neutropenia is a rare disease characterized by markedly decreased or absent peripheral blood neutrophils and totally depressed granulopoiesis beyond the promyelocyte-myelocyte stage. Erythropoiesis megakaryocytes are normal. Eosinophilia, monocytosis, hypergammaglobulinemia, recurrent infections associated findings death in early infancy usual outcome. Diffuse inflammatory reactions devoid of consisting predominantly lymphocytes, plasma cells, histiocytes seen postmortem tissues. Although classic family studies Kostmann 1 siblings described Andrews et al 2 suggest an autosomal recessive mode inheritance, other single fetal cases 3-8 have not demonstrated familial predisposition. The first report this syndrome Negro infant results leukocyte function form basis paper. Report Case A girl (URMC-SMH 631912) was product 30-year-old gravida 7, para 5, abortio mother who Rh positive