Tutt C L
Department of Medicine, Faculty of Veterinary Science, University of Pretoria, Republic of South Africa.
Vet Rec. 1997 Mar 1;140(9):229-31. doi: 10.1136/vr.140.9.229.
An 18-month-old Cameroon dwarf goat doe had chronic, bilateral hindlimb paresis and difficulty in rising two months after the birth of a normal kid. The doe was weak, pyrexic and had a purulent vaginal discharge. A large, firm mass was palpated in the caudodorsal abdomen. Abdominal ultrasonography revealed an ill-defined impenetrable mass which cast acoustic shadows. Radiography identified the mass as a fetus. The doe had a low normal haematocrit and a marked leucocytosis. A caesarian section through the caudal left paralumbar fossa was attempted, but contraction of the uterus had trapped the fetus in the cranial entrance of the pelvic canal preventing the uterus from being exteriorised. Adhesions were found between the uterus and abdominal viscera. The doe's inability to rise was attributed to the chronic pressure exerted on the ischiadic nerve by the fetus. A diagnosis of fetal mummification secondary to obstructive dystocia and fetal death was made. Radiography was a better diagnostic tool than ultrasonography in this case.
一只18月龄的喀麦隆矮种母山羊在正常产仔两个月后出现慢性双侧后肢轻瘫,起立困难。该母羊身体虚弱、发热,并有脓性阴道分泌物。在尾背侧腹部可触及一个大而硬的肿块。腹部超声检查发现一个边界不清、不透声的肿块,并伴有声影。X线检查确定该肿块为胎儿。该母羊血细胞比容略低于正常,白细胞显著增多。尝试经左后腰部尾侧进行剖宫产,但子宫收缩将胎儿卡在骨盆入口处,导致子宫无法取出。发现子宫与腹部脏器之间存在粘连。该母羊无法起立归因于胎儿对坐骨神经的长期压迫。诊断为梗阻性难产继发胎儿干尸化及胎儿死亡。在这种情况下,X线检查比超声检查是更好的诊断工具。