Enterobiasis in the hospitalized patient

A 33-year-old hospitalized patient felt itching around his anus. Tiny white thread-like worms were observed perinatal region. Microscopic examination revealed the presence of elongated, one-sided, flattened eggs inside worm. Sri Lankan man, who had been living in Japan for past 2 years, was admitted to orthopedic ward because a traumatic vertebral fracture. During admission, near He denied any other symptoms. On at night, tiny perianal region (Figure 1). Additional history taking that he several episodes pinworm infection Lanka and treated repeatedly with albendazole. We identified nematode as Enterobius vermicularis based on 2). prescribed single dose albendazole 400 mg repeated it after week interval. His symptoms improved, disappeared treatment. Enterobiasis (also known infection) is caused by E. vermicularis. Adult vermicularis, males measuring 2–5 mm females 8–13 mm, live primarily cecum large intestine. Gravid female migrate night lay skin. The egg can be spread original host new hosts through fecal–oral route. distributed worldwide, infecting an estimated 209 million individuals.1 In Japan, incidence 21.7% 1961 but has since decreased 0.10% 2015 improved sanitation conditions.2 screening test scotch tape mandatory school children discontinued 2016 low incidence.3 As result, physicians rarely encounter enterobiasis. Although enterobiasis almost neglected disease should keep mind still endemic countries. None. authors declare no conflict interest. Written informed consent obtained from publication this clinical image.