神经母细胞瘤是小儿常见的恶性肿瘤之一。由于临床及骨髓象表现复杂,往往易造成误诊、漏诊.作者等搜集了近年来本院经临床及反复骨髓检查确诊的4例。此4例入院时全部误诊为其他疾病,其中3例入院后仍长期误诊。为提高对本病临床及骨髓诊断的认识,特提出报告如下: Neuroblastoma is one of the common malignant tumors in children. Due to the complicated clinical and bone marrow manifestations, it is often easy to cause misdiagnosis and missed diagnosis, and the authors collected 4 cases confirmed by clinical and repeated bone marrow examination in our hospital in recent years. All 4 cases were misdiagnosed as other diseases on admission, of which 3 were still misdiagnosed after admission. In order to improve the understanding of the clinical and myeloid diagnosis of this disease, special report is as follows: