Articles on Medical Diseases and Conditions

Entries Tagged ‘Parasites’

Stool Examination for Ova and Parasites

There are three standard methods of fecal examination for ova and parasites: direct examination, concentration methods followed by direct examination, and permanent stained slides prepared after concentration. Concentration techniques are useful on all types of stool specimens but especially on formed stools or soft stools. Concentration techniques detect larvae, ova, and protozoan cysts. Direct wet […]

Eosinophilia

Parasites. Eosinophilia is most often associated with roundworms and infestation by various flukes. In the United States, roundworms predominate, such as Ascaris, Strongyloides, and Trichinella (Trichina). The condition known as visceral larva migrans, caused by the nematode Toxocara canis (common in dogs) is sometimes seen in humans. In Trichinella infection an almost diagnostic triad is […]