An 18-year-old African American male presents to his family physician concerned about the presence of blood in his urine. He is concerned because a maternal uncle died of renal failure. A urinalysis...

An 18-year-old African American male presents to his family physician concerned about the presence of blood in his urine. He is concerned because a maternal uncle died of renal failure. A urinalysis confirms hematuria, and blood labs reveal an elevated BUN and creatinine. On reviewing the chart, a nursing note concerning his most recent hearing test the physician’s eye: “patient appears to have bilateral hearing loss in the 2,000–8,000 Hz range, follow-up testing in 3 months recommended.” What is likely the underlying cause of this patient’s hematuria?

A. TBMD

B. Acute proliferative GN

C. Alport syndrome

D. Polycystic kidney disease