Answer to the Parasite Case of the Week 669: Schistosoma haematobium adults and eggs - a classic case!
As noted by Idzi, "Looking at site of infection and geography, most probably S. haematobium. Section shows adult fluke and numerous non-calcified viable eggs (because I can see the cephalic gland, surrounded by nerve cells - a beautiful bullseye). In some eggs I seem to discern a small terminal spine, which supports S. haematobium."
This is a great example, given that we rarely see the adults in tissue. Here are some of the key findings:
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