NAVLE（北美执业兽医考题）Day 586

Q1:A 1-year old mixed breed stray dog is presented for extreme pruritis and the lesion shown in the picture. The dog was recently found and adopted off the street and has been itching despite being bathed and treated with flea preventatives. The owner reports that she has been itching and developing rashes on her own body since adopting this dog. Your physical exam shows that the dog has several additional similar lesions on the other legs, chest, and ventral abdomen. What is the most likely diagnosis?一只1岁的混血流浪狗身上出现的极端瘙痒和病变图片所示。这只狗最近在街上被发现并收养，尽管已经洗澡和做了跳蚤的治疗，但他还是一直很痒。主人说自从收养这只狗后，她自己身上也出现发痒和皮疹的情况。你在体格检查时发现这只狗的其他腿、胸部和腹部也有一些类似的损伤。最有可能的诊断是什么？[图片]