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Diphyllobothrium latum

Friday 16 December 2016



- D. latum, colonoscopy (Kim and Lee, NEJM 2010)

Definition: Diphyllobothrium sp. is a genus of tapeworm which can cause diphyllobothriasis in humans through consumption of raw or undercooked fish.

The principal species causing diphyllobothriosis is Diphyllobothrium latum, known as the broad or fish tapeworm, or broad fish tapeworm.

D. latum is a pseudophyllid cestode that infects fish and mammals. D. latum is native to Scandinavia, western Russia, and the Baltics, though it is now also present in North America, especially the Pacific Northwest.

In Far East Russia, D. klebanovskii, having Pacific salmon as its second intermediate host, was identified

Taenia saginata, the beef tapeworm, and Diphyllobothrium latum, the fish tapeworm, are acquired by eating undercooked meat or fish. In humans, these parasites live only in the gut, and they do not form cysticerci.