NAVLE（北美执业兽医考题）Day 614

单选题，正确答案是100分，非正确答案为0分，Good Luck！

Q1:A five-year-old boxer is presented for routine vaccinations. The owner points out a small, smooth mass on the right ear. Fine needle aspiration cytology is shown below. Which one of the following choices is the most likely diagnosis？一只5岁的拳狮犬来做常规疫苗，主人指出它的右耳处有一个小而光滑的肿块。其细针抽吸的细胞学结果如下图。以下哪个选项是最可能的诊断？[图片]

A - Aural hematoma 耳血肿

B - Degranulating mast cell tumor 脱颗粒肥大细胞瘤

C – Histiocytoma 组织细胞瘤

D – Lymphoma 淋巴瘤

E - Bacterial infection 细菌感染

NAVLE（北美执业兽医考题）Day 614

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