A 45-year-old male, homeless HIV IV drug user comes to the ED for gross hematuria and peripheral edema. A urinalysis with cytology reveals significant proteinuria and oval fat bodies, but few red...

A 45-year-old male, homeless HIV IV drug user comes to the ED for gross hematuria and peripheral edema. A urinalysis with cytology reveals significant proteinuria and oval fat bodies, but few red cells and no casts. Serum analysis reveals hypoalbuminemia. ED doctors diagnose a nephrotic syndrome. This patient has a disease that requires electron microscopy for definitive diagnosis.Which one of the following is his likely diagnosis?

A. Membranous glomerulonephritis

B. FSGS

C. Lupus glomerulonephritis

D. Diabetic nephropathy

E. Minimal change disease