Questions and Answers
Importance
Physaloptera rara = Infrequently causes gastric mucosal erosion and gastritis; adults attach with mouth parts. Spirocerca lupi = May predispose to malignant tumors and dystrophic pulmonary osteoarthropathy. Eucoleus (capillaria) aerophilus = Often confused with Trichuris sp. Thelazia californiensis = May cause conjunctivitis, lacrimation, photophobia
Diagnosis
Physaloptera rara = Larvated eggs fecal flotation or worms in vomitus. Spirocerca lupi = Eggs in feces in patent infections Ollulanus tricuspis = Baermann technique using vomitus may be useful, but diagnosis can be done by biopsy, endoscopy Strongyloides stercoralis = Worm in direct smear, straight tail
Diagnosis
Eucoleus (capillaria) aerophilus = Identifying the eggs found in fecal flotation Filaroides hirthi/osleri = Seeing larvae in feces and/or saliva/vomitus Thelazia californiensis = Eggs in lachrymal secretions. Parasites can be seen in conjunctival sac. Aelurostrongylus abstrusus = Identify larvae in direct smear, fecal flotation, Baermann technique. S shaped bend and dorsal spine
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Pathology
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