NAVLE（北美执业兽医考题）Day 746

A 2-year old female spayed Leonberger presents to you with hair loss around the face and eyes. A deep skin scraping is shown in the picture below. What is your diagnosis?
一只2岁的雌性已绝育兰伯格犬由于面部和眼睛周围脱毛前来就诊。皮肤深部刮片的结果如下图所示。你的诊断是什么？