Fungi and parasites · USMLE Step 1

A patient develops hematuria from chronic parasitic infection. The eggs have terminal spines. What is the organism?

  1. Schistosoma mansoni
  2. Schistosoma japonicum
  3. Schistosoma haematobium
  4. Strongyloides stercoralis
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Correct answer: Schistosoma haematobium

Schistosoma haematobium eggs have terminal spines and cause urinary schistosomiasis with hematuria.

Difficulty: Medium Question 16 of 20

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