Alveolar rhabdomyosarcoma with massive bone marrow infiltration and disseminated intravascular coagulation mimicking acute leukemia

[摘要] A 27-year-old man was admitted with a 2-month history of generalfatigue, appetite loss, and back pain, leading to a worsening of hisgeneral condition. On admission, laboratory tests showed an increasedwhite blood cell count (15.9 × 109/L), with leucoerythroblastosis(myeloblasts, 1.0%; promyelocytes, 0%; myelocytes, 2.5%; metamyelocytes, 1.5%; band neutrophils, 3.5%; segmented neutrophils, 67.0%;lymphocytes, 18%; erythroblasts, 48%), severe anemia (hemoglobin,45.0 g/L), and thrombocytopenia (platelet count, 21.0 × 109/L).