Abstract
A 52-year-old woman ate raw fish (Sebastes spp.) caught in the seashores of Hiroo, Tokachi Area, Hokkaido, on June 29, 1979. She ate the fish twice on the day of catch and after placing inside the freezer for about 24 hrs. The patient complained of pain in the right upper abdomen, nausea and vomiting 10 hrs. after the last meal with the fish. The patient consulted 2 neighboring clinics where UGI series and cholecystography were taken. However, the diagnosis was uncertain. When taking the patient history, we also did not ask about eating raw fish so that the diagnosis was delayed. Eventually, the worm was removed on the 17th day after the onset of the disease, by the Olympus Type JF-B3 endoscopically. Parasitological examinations revealed that the worm is probably of the Anisakis I-type larva. At the same time, the temperature of 16 conventional household refrigerators was surveyed. The results showed that only 3 household refrigerators were suitable for use, according to the "Heringverordnung" of Netherlands. No report on anisakis infection in the second portion of the duodenum has been published until the present time. This is considered the first case on such anisakis infection.
