PMC4694662_01
Kidney biopsy (x200).. Notes: Hematoxylin and eosin staining showing interstitial infiltration with myeloid and monocytic cells. The glomeruli are morphologically normal.
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Glomerular or (peri) vascular inflammation was not seen (Figure 1).
Kidney biopsy (x200).. Notes: Immunohistochemical staining for CD14 is positive in the numerous mature monocytes present in interstitium and around tubuli and glomeruli. Monocytes sometimes form aggregates simulating microgranulomas.
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Monocytes occasionally formed interstitial aggregates simulating micro-granulomas (Figure 2).