Imaging in Urology

Renal Cyst

KEY FACTS Terminology Fluid-filled renal lesion Imaging Bosniak classification Imaging-based classification of renal cystic lesions – Class I: Benign cysts – Class II: Minimally complicated cysts; benign – Class IIF: Requires CT/MR imaging follow-up – Class III: More complicated cysts;…

Pyonephrosis

KEY FACTS Terminology Infection of obstructed renal collecting system You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here

Renal Abscess

KEY FACTS Terminology Localized collection of pus due to suppurative necrosis in kidney You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here

Emphysematous Pyelonephritis

KEY FACTS Imaging Best imaging tool: CT CT findings Intraparenchymal gas ± perirenal extension ± renal or perirenal fluid collections Classification systems based on distribution of gas and fluid collections Ultrasound findings Nondependent echogenic foci in renal parenchyma &/or collecting…

Xanthogranulomatous Pyelonephritis

KEY FACTS Terminology Chronic infection of kidney and surrounding tissues characterized by destruction of renal parenchyma and replacement by lipid-laden macrophages You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If…

Chronic Pyelonephritis/Reflux Nephropathy

KEY FACTS Terminology Renal scarring and atrophy secondary to multiple episodes of acute pyelonephritis during early childhood Most cases are secondary to vesicoureteral reflux (VUR) You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited…

Acute Pyelonephritis

KEY FACTS Terminology Acute infection of renal parenchyma You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here