Case 108
With discussion
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CASE 108 (February 2015)

Clinical information

A 39-year-old man presented with a several months history of malaise, intermittent fever, abdominal pain, and blood in the stool. On laboratory tests: mild anemia, normal leukocytes; tests for autoimmunity were normal or negative; serum creatinine: 3.2 mg/dL, BUN: 41 mg/dL. Urinalysis: proteinuria: 150 mg/dL, erythrocytes: 20-30/hpf, with few granular casts.

We receive the case in consultation. See the images:

Figure 1. H&E, X100.

Figure 2. H&E, X200.

Figure 3. H&E, X200.

Figure 4. H&E, X100.

Figure 5. H&E, X400.

Figure 6. H&E, X200.

Figure 7. H&E, X200.

Figure 8. H&E, X400.

Figure 9. H&E, X200.

Figure 10. H&E, X200.

What is your diagnosis?

See diagnosis and discussion