KEY FACTS Terminology Hemorrhagic collection in perinephric spaces: Subcapsular, perirenal, anterior and posterior pararenal 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
KEY FACTS Terminology Global or focal renal hypoperfusion → tissue ischemia and eventually, parenchymal loss 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
KEY FACTS Terminology Clot formation in renal vein 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
KEY FACTS 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
KEY FACTS Terminology Primary: Involvement of kidneys without evidence of other organ or nodal involvement; extremely rare: < 1% Secondary: Dissemination of extrarenal lymphoma; more common 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
KEY FACTS Terminology Malignant tumor of transitional epithelium extending from calyces to ureteral orifices a.k.a. transitional cell carcinoma 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
KEY FACTS Imaging Discrete renal mass with varying amounts of dysmorphic blood vessels, smooth muscle, and mature adipose tissue Variable size, can be very large Single or multiple Classic angiomyolipoma (AML): Lipid-rich echogenic mass with posterior acoustic shadowing Fat-poor subtype ("AML with minimal fat"): Usually hyperechoic but fat not detected by CT or MR CT/MR more specific than US Color Doppler: Absent from fatty component, may…
KEY FACTS 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
KEY FACTS Imaging Variable appearance: Solid, cystic, or complex Solid: Homogeneous or heterogeneous, hypervascular soft tissue components and areas of necrosis, calcifications Cystic variant: Unilocular or multilocular, fluid-debris levels (hemorrhage and necrosis), thick and irregular wall or septations, nodules Use Doppler for detection of internal vascularity RCC may be initially detected by US, but CECT and MR are primary tools for characterization and staging US may…
KEY FACTS 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
KEY FACTS 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
KEY FACTS Terminology Obstructed renal collecting system containing pus or infected urine 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
KEY FACTS Terminology Gas-forming upper UTI involving renal parenchyma &/or perinephric space 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
KEY FACTS Terminology Purulent &/or necrotic intraparenchymal or perinephric collection arising from unresolved pyelonephritis 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
KEY FACTS 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
KEY FACTS Terminology Rare, nonhereditary, benign cystic renal neoplasm containing epithelial and stromal components a.k.a. cystic nephroma, multilocular cystic renal tumor, cystic hamartoma 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
KEY FACTS Terminology Presence of 3 or more renal cysts per kidney in patients with chronic kidney disease (CKD) who do not have hereditary cystic disease Occurs predominantly in patients on long-term dialysis (peritoneal or hemodialysis) In up to 13% of patients with CKD prior to dialysis You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If…
KEY FACTS Terminology Benign, fluid-filled nonneoplastic renal lesion not meeting criteria of simple renal cyst, Bosniak classes II, IIF, and III 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
KEY FACTS Terminology Benign, fluid-filled, nonneoplastic renal lesion 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
KEY FACTS Terminology Dilation of renal collecting (pelvicalyceal) system ± ureteral dilation from intrinsic or extrinsic cause Renal collecting system dilation, pelvicalyceal dilatation, pelvocaliectasis 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