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Granulomatous Interstitial Nephritis in CLL
Teaching Points

Granulomatous Interstitial Nephritis in CLL

This is a renal biopsy from a 62-year-old female with a recent diagnosis of CLL/SLL, who presents with rapidly worsening…

Giant Cells
Teaching Points

Giant Cells

Sometimes the giant cells in granulomatous inflammation are truly giant!

Tuberculosis, caseating necrosis in the renal parenchyma
Teaching Points

Tuberculosis – AFB and Rhodamine

A 69-year-old Caucasian man presented with general malaise and multiple febrile episodes that started several weeks prior to presentation. He…


Granulomatous Interstitial Nephritis, renal biopsy, renal cortex
Teaching Points

Granulomatous Interstitial Nephritis Differential

This biopsy is from a 25-year-old African American female with renal failure. The photomicrographs here show renal involvement by non-caseating…

Granulomatous Interstitial Nephritis
Pushing Glass

Pushing Glass (September 20, 2017)

The patient is a 65-year-old African American female who presents with a protein/creatinine ratio of 2 and a serum creatinine…

renal biopsy, arkana laboratories, renal tissue,granulomatous interstitial nephritis
Teaching Points

Granulomatous Interstitial Nephritis

The photomicrograph shows an interstitial granuloma from a case of granulomatous interstitial nephritis. The presence of granulomas within interstitial nephritis…