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Chronic pyelonephritis – pathology and pictures

Chronic pyelonephritis – pathology and pictures

Chronic pyelonephritis

Chronic pyelonephritis

 

Histological triad:
1. In interstitium mostly on the border  of cortex/medulla,  are found focal infiltrations of lymphocytes and plasma cells.
2. Renal tubules are dilated and filled with pink protein casts resembling the follicular structures of thyroid gland – called ‘strumisation’ of parenchyma
3. Pericapsular glomerular sclerosis . Some kidney bodies are fully sclerosed.
In interstitium grows connective tissue, arterioles are with thickened walls and narrow lumens due to secondary hypertension.
Chronic pyelonephritis

Chronic pyelonephritis

Acute and chronic pyelonephritis – Histopathology Kidney

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