PMC6206514_01
Palpable purpura on the lower limb.
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The patient attended the nephrology clinic after 7 days with palpable purpuric rashes in both of the lower limbs associated with minimal pedal edema (Figure 1).
Photomicrograph from renal biopsy showing an unremarkable appearing glomerulus (PAS X 200).
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Light microscopy showed nonproliferative glomerular morphology (Figure 2) with patchy acute tubular injury and multifocal chronic interstitial inflammation (Figure 3).
Photomicrograph showing dense chronic lymphoplasmacytic interstitial inflammation (H&E X 160).
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Light microscopy showed nonproliferative glomerular morphology (Figure 2) with patchy acute tubular injury and multifocal chronic interstitial inflammation (Figure 3).
Electron micrograph showing glomerular capillaries with well-preserved foot processes of visceral epithelial cells (uranyl acetate and lead citrate X 3000).
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Transmission electron microscopy revealed relatively well-preserved visceral epithelial cell foot processes (Figure 4) and no evidence of glomerular or extraglomerular electron dense deposits.