小儿原发性肝恶性间叶瘤罕见，其发病机理不明，临床诊断不易。我院于１９９７年收治３例，均经病理证实，现分析报告如下。１病例报告例１，１４岁。因右上腹部胀痛伴局部隆起１月余入院。体格检查：贫血外观，右上腹明显隆起并压痛显著，浅表淋巴结无异常。肝肋下４～５... Pediatric primary malignant mesenchymal tumor rare, its pathogenesis is unknown, clinical diagnosis is not easy. Our hospital was admitted in 1997, 3 cases were confirmed by pathology, the analysis report is as follows. A case report of 1,14 years old. Because of the right upper quadrant pain with local uplift more than 1 month admission. Physical examination: anemia appearance, the right upper quadrant was significantly elevated and tenderness significantly, superficial lymph nodes without exception. Liver ribs 4 to 5 ...