PMC4400454_01
Transplant renal biopsy: several areas of discrete parenchymal non-caseating granuloma. No evidence of rejection.
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fig1
A transplant renal biopsy showed recurrence of sarcoidosis in his transplant kidney (Figure 1).
Severe tubular atrophy and scarring with active granulomatous tubulointerstitial nephritis.
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fig2
Due to lack of further improvement in renal function, a biopsy was repeated 2 months later (Figure 2).
PMC4400454_02
Scarring presumed secondary to previous granulomatous tubulointerstitial nephritis, but no active inflammation on biopsy.
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fig3
A repeat renal biopsy was performed (Figure 3).