NAVLE（北美执业兽医考题）Day 602

A 6-month-old mixed breed dog is presented with a focal area of alopecia with comedones. A skin scraping is shown below. Which one of the following choices is the most likely diagnosis？

一只6月龄的混种犬由于脸部出现脱毛和粉刺前来就诊。皮肤刮片的结果如下。以下哪个选项是最可能的诊断？