A 44-year-old man was admitted to the hospital following a 2…
A 44-year-old man was admitted to the hospital following a 2-week history of low-grade fever, malaise, and anorexia. Examination of a Giemsa-stained blood film revealed many intra-erythrocytic parasites. Further history revealed frequent camping trips near Martha’s Vineyard and Nantucket Island in the Northeast US, but no travel outside the continental United States. This parasite could easily be confused with:
Read DetailsEvaluate the following life cycle. Operculated, unembryo…
Evaluate the following life cycle. Operculated, unembryonated egg (passed in human feces) must reach water to mature First larval stage (coracidium) ingested by a copepod and develops into a procercoid larva Infected copepod ingested by fish, larva leaves fish’s intestine and invades flesh and develops into plerocercoid larva (scolex, thin, ribbon like portion of tissue) Humans ingest plerocercoid larvae by eating raw or undercooked fish Scolex released in intestine, develops into an adult worm This depicts the life cycle of which organism?
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