Glomerular Diseases USMLE Step 1 Practice Question
A 19-year-old college student presents with gross hematuria one day after acute pharyngitis onset. He reports three similar episodes over two years, each resolving spontaneously without treatment. Vital signs: BP 118/76 mmHg, HR 88/min, RR 16/min, Temp 37.2°C, SpO2 98% on room air. Serum creatinine is 0.9 mg/dL. Serum complement levels are normal. Urinalysis shows no proteinuria. Which diagnosis best explains his recurrent episodic hematuria?
Answer choices
- AAlport syndrome
- BIgA nephropathyCorrect answer
- CMinimal change disease
- DMembranoproliferative glomerulonephritis
- EPoststreptococcal glomerulonephritis
- FHereditary thin basement membrane disease
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