A 64-year-old woman comes to the physician for a 2-day history of slight puffiness beneath her eyes. One week after treatment for a urinary tract infection with trimethoprim/sulfamethoxazole. Her history is remarkable for a left-sided partial mastectomy for locally invasive ductal carcinoma 7 years ago. Her last mammogram 6 months ago showed no abnormalities. She is a non-smoker and non-drinker. BMI is 20.
Which of the following is most likely to be seen in this patient?
A) BUN/Cr of 22
B) Erythrocyte casts
C) Increased serum cholesterol
D) Lumpy-bumpy appearance on EM
E) Splitting of the lamina densa
