Paragonimus westermani. Paragonimiasis : Facts, causes, symptoms, complications, & remedies

Paragonimus Westermani

The capsules often ulcerate, giving the lungs a peppered appearance. Such patients may develop pleural effusions and, because of the coendemicity with and co-infection in some patients , such effusions are often misdiagnosed as isolated tuberculosis.

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Paragonimiasis Home Page

The symptoms are localized in the pulmonary system, which include a bad cough, bronchitis, and blood in sputum hemoptysis. Early symptoms include a cough producing blood-tinged sputum, pulmonary pain, and even pleurisy.

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Paragonimiasis : Facts, causes, symptoms, complications, & remedies

Eggs enter the alveoli, are coughed up and swallowed and pass out in the feces or in the sputum. In Asia, an estimated 80% of freshwater crabs carry P.

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Paragonimus Westermani

It was concluded that antigen was associated with the glycocalyx of excysted metacercariae, but not present in adult worms. Consumption of animals that feed on crustaceans can also transmit the parasite, for cases have been cited in Japan where raw boar meat was the source of human infection. Human infection with P.

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The trematode has two suckers for attachment, an oral cavity, and a genital pore. In Cox FEG ed. This method is easily misdiagnosed, because pulmonary infections look like tuberculosis, pneumonia, or spirochaetosis.

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Paragonimus Westermani

Excystation in the absence of extrinsic enzymes suggests that the process is active in P. The infections arise when a person consumed raw crustaceans that containing metacercariae and also eating the meat of paratenic hosts such as a pig.

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Paragonimus westermani

Lung flukes can eventually cause pulmonary abnormalities that mimic other conditions and diseases such as bronchitis, tuberculosis, and lung cancer. The incidence of this disease, known as paragonimiasis, is particularly high in East Asia. New Eng J Med 1984; 311: 582-583.

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Paragonimus Westermani

In fact, as many as one-fifth of all infections are asymptomatic.