A 32-Year-Old Man Is Hospitalized with Multiple Fractures and Internal

question 742

Multiple Choice

A 32-year-old man is hospitalized with multiple fractures and internal bleeding following a motor vehicle collision.  He is successfully resuscitated and taken to the operating room for fixation of a left femoral fracture.  The patient's condition remains stable postoperatively, and he is transferred to the surgical floor.  Blood pressure is 118/68 mm Hg and pulse is 88/min.  He develops oliguria on the second day of hospitalization.  Renal biopsy findings are shown in the image below. If the kidney biopsy were repeated 1 month from now, which of the following would most likely be seen?

• A)Diffuse mesangial sclerosis
• B)Glomerular epithelial proliferation
• C)Scarring and atrophy of the medulla
• D)Segmental glomerulosclerosis
• E)Tubular re-epithelization