Renal Quiz #14 Urine Casts and Glumerular Diseases

1. A 25-year-old man presents with hematuria and flank pain after a recent upper respiratory tract infection. Urinalysis reveals red blood cell casts. This finding is most characteristic of which of the following conditions? 

Question 1 of 5

2. A 40-year-old woman with a history of systemic lupus erythematosus (SLE) presents with proteinuria exceeding 3.5 grams per day. Urinalysis reveals fatty casts with a "Maltese cross" appearance under polarized light. Which of the following is the most likely diagnosis? 

Question 2 of 5

3. A 60-year-old man with a history of diabetes mellitus presents with decreased urine output and elevated creatinine. Urinalysis reveals broad waxy casts. This finding is most suggestive of which of the following renal conditions? 

Question 3 of 5

4. A 30-year-old man presents with fever, rash, and arthralgias. Laboratory tests reveal hematuria and proteinuria. Urinalysis shows eosinophilic casts. Which of the following is the most likely diagnosis? 

Question 4 of 5

5. A 55-year-old man presents with sudden onset of oliguria, hematuria, and flank pain. He recently recovered from a gastrointestinal infection. Urinalysis shows muddy brown casts. Which of the following renal conditions is most likely present? 

Question 5 of 5


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