小儿结肠淋巴母细胞肉瘤较罕见 ,本病的临床表现缺乏特异性 ,易被忽视。我院收治一例 ,现报道如下。患儿 ,男 ,9岁。 2个月前发现腹部不适 ,时有腹痛 ,1个月前右侧腹部出现腹块 ,近来增大明显。体检 :发育正常 ,营养欠佳。浅表淋巴结无肿大 ,心肺未见异常。腹部稍胀 ,未见肠型 Pediatric lymphoblastic sarcoma is rare, the clinical manifestations of the disease lack specificity, easily overlooked. A case admitted to our hospital, are reported below. Children, male, 9 years old. 2 months ago found abdominal discomfort, sometimes abdominal pain, abdomen appeared on the right abdominal a month ago, recently increased significantly. Physical examination: normal development, poor nutrition. Superficial lymph nodes without swelling, no abnormal heart and lung. Abdomen slightly swollen, no intestinal type