A 32-year-old woman presented with anal pruritus and bleeding. Colonoscopy revealed infection with Enterobius vermicularis (shown in a video).

A 55-year-old man presented with intermittent, crampy pain in the right lower quadrant of the abdomen. The pain had started two days after his return from a two-week trip to Hungary. He reported no ...

Enterobius vermicularis, commonly known as pinworm, is among the most widespread human helminth infections, with peak prevalence in children aged 2–12 years. Transmission occurs via ingestion or ...

A 9-year-old Canadian boy presented to the emergency department with a 4-day history of sudden, unremitting pain in the right iliac fossa. His medical history was otherwise unremarkable, and he had ...