A 60-year-old man from South Korea underwent a colonoscopy. A juvenile female worm showing 3 pairs of teeth in the buccal cavity was recovered from the descending colon. Partial sequencing of the internal transcribed spacer region showed 100% identity with Ancylostoma caninum, the dog hookworm.

中文翻译：

---

罕见的肠道小肠食管钩虫感染病例，韩国。

一名来自韩国的60岁男子接受了结肠镜检查。从下降的结肠中发现了一只幼虫，在颊腔中显示出三对牙齿。内部转录的间隔区的部分测序显示与犬钩虫Ancylostoma caninum 100％相同。