diagnosis

Last reviewed 01/2018

• pyuria is common, it may be sterile

• chronic pyelonephritis may cause hypertension (especially common in children)

• IVP:
• small, scarred kidneys
• blunting of the calyces
• cortical thinning over pelvo-calyceal lesions

• renal biopsy:
• plasma cell infiltration predominates - occurs between the tubules that are atrophic or ballooned
• periglomerular fibrosis
• glomeruli - variable appearance - may be normal or hyalanised

• other findings, such as uraemia, acidosis, hypocalcaemia and hyperphosphataemia are described under chronic renal failure