Diagnosis is based on microscopic demonstration of eggs in stool or sputum, but these are not present until 2 to 3 months after<unk> .  (Eggs are also occasionally encountered in effusion fluid or biopsy material.)  Concentration techniques may be necessary in patients with light<unk> s. Biopsy may allow diagnostic confirmation and species identification when an adult or developing fluke is recovered.
Paragonimus infection laboratory findings
Schistosomiasis physical examination
Viral gastroenteritis laboratory findings
Strongyloidiasis laboratory findings
Ascariasis physical examination
Schistosomiasis laboratory findings
Ancylostomiasis laboratory findings
Strongyloidiasis physical examination