Atlas of Gastroenterological Endoscopy
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Pinworm
Oxyurs Infection occurs after ingestion of eggs. In the cecum the worm develops from a larva after 1 month. The female worm carries the eggs to the perianal region at night. For diagnosis eggs are obtained by cellotape and are readily visible under a microscope. Symptoms are perianal itching at night. Most affected individuals are children. Continious self- infection can be responsible for chronic cases.
  • Name: Enterobius vermicularis, pinworm
  • Family: Oxyuridae
  • Size: 10 mm (female), 3-7 mm (male)