title: Congenital dyserythropoietic anemia type I. Report of a case.
abstract: A new case of congenital dyserythropoietic anemia type I is reported in a 12-year-old Spanish boy. In regard to the morphological study at an optical and ultrastructural level, the most outstanding feature was the internuclear bridging connecting two erythroblastic nuclei within a single cytoplasm or stretched between two erythroblasts perfectly individualized.
mesh_terms: D000742:Anemia, Dyserythropoietic, Congenital / Q000097:blood* / Q000473:pathology; D000745:Anemia, Hemolytic, Congenital / Q000097:blood*; D002648:Child; D002843:Chromatin; D004912:Erythrocytes / Q000201:enzymology; D006801:Humans; D008297:Male
chemical_list: D002843:Chromatin