NAVLE（北美执业兽医考题）Day 410

Q1:A 6-year old female spayed English Pointer presents for lethargy and weight gain. The owner notes that the dog is eating and drinking a normal amount, but the dog is still gaining weight. A physical exam reveals weak pelvic limbs, facial nerve paralysis, a symmetrically patchy haircoat, and seborrhea. Lab work reveals a normocytic, normochromic anemia with a PCV of 29% (35-57%), lipemic serum, and cholesterol of 1090 mg/dl (135-278 mg/dl). What is the most likely diagnosis?一只6岁雌性已绝育英国波音特犬由于嗜睡和体重增加前来就诊。主诉其吃喝量正常但却依然在变胖。体格检查时你发现其后肢无力，面神经麻痹，被毛对称性呈斑块状，并且有皮脂溢。血液检查出现正红细胞正色素性贫血，PCV29%（35-57%），脂血症，胆固醇1090 mg/dl (135-278 mg/dl)。最可能的诊断是什么？Find out the answer by clicking on one of the listed choices. Good luck!点击列出的选项找出答案，祝大家好运