1案例资料案例1赵某,男,48岁。某日晨被发现死于某工厂传达室地上,全身赤裸,背心裤衩被撕碎,身上有多量血迹。现场勘查发现现场室内凌乱,有打斗的痕迹,地面发现较多犬爪印痕。尸检见四肢、肩、颈、头面部广泛分布条状及片状表皮剥脱、片状皮肤紫红变色,表皮有剥脱及大小和方向不一的创口,深达皮下或肌层,创口边缘不齐、组织外翻、离断的肌肉断端不齐(图1)。鉴定认为死者系被犬咬断右侧腋动脉、左 1 Case Information Case 1 Zhao, male, 48 years old. One day morning was found dead on the ground in a factory delivery room, naked, vest pants were torn, how much blood on his body. Site investigation found indoor messy scene, fighting the traces of the ground found more dog claws prints. Autopsy see the limbs, shoulders, neck, head and face of the widespread distribution of strip and flake epidermis, patchy skin purple red, the skin is exfoliated and the size and direction of the wound, deep subcutaneous or myometrium, wound edge missing, Tissue valgus, broken muscle missing ends (Figure 1). Identification of the deceased was identified by the dog bite off the right axillary artery, left