【摘要】 东北虎，雄性，25岁，发病初期出现步态缓慢、跛行，后在右侧肘关节处出现不明包块，包块在1个月内迅速变大，破溃、流血和组织破损。结合临床表现、尸体剖检及组织病理学检查的结果，诊断为间变性细胞肉瘤。更多还原

【Abstract】 A 25-year-old male of the Siberian tiger presented with slow gait and limping at the onset of the disease, followed by an unknown mass at the right elbow joint, which rapidly expanded within 1 month with collapse, bleeding, and tissue damage.Combined with the clinical manifestations, postmortem examination and histopathological examination, anaplastic cell sarcoma was diagnosed.更多还原