Dr. Ila Jain (Pathology) needs a second opinion on this medical case.
A previously healthy 20-year-old college student presents to the student health office complaining of a 1-week history of fatigue and dark-colored urine. On physical examination, his blood pressure is 155/90 mm Hg and his serum creatinine level is 4.4 mg/dL. Urinalysis shows 3+ blood and red cell casts without protein, glucose, or ketones. A kidneys biopsy shows crescentic changes of the glomerulus. Which of the following is the most likely diagnosis?
(A) Diabetic nephropathy
(B) Membranoproliferative glomerulonephritis
(C) Minimal change disease
(D) Rapidly progressive glomerulonephritis