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porocephaliasis
Porocephaliasis is a condition associated with species in the closely related genera ''Porocephalus'' and ''Armillifer''. (The term "pentastomiasis" encompasses all diseases of Pentastomida, which includses Porocephaliasis and Linguatulosis.)
Porocephaliasis is associated with contact with snakes. (This is in contrast with Linguatulosis, which is associated with contact with dogs or wolves.)
It has been reported from Africa, Malaysia and the Middle East. Its occurrence has been rare in Europe and North America where it has been found in immigrants and travelers.
==Transmission and presentation==
It is prevalent in parts of Africa and Asia where eating snake meat is common. In Africa it has also been associated with groups who use the snake as a totem . Unlike linguatuliasis, humans are only ever an accidental intermediate host for ''Armillifer'', i.e. the larvae establish themselves in the visceral organs causing human visceral pentastomiasis, but adults do not occur in the human respiratory system. After a while the larvae die within the host and sometimes calcify, leaving characteristic crescent-shaped structures seen in X-ray . In extreme cases a heavy parasite burden can have serious medical consequences and can even be fatal .
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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