KEY FACTS Imaging US for initial detection and characterization, CECT or MR for preoperative assessment and staging 3 main morphological types Large soft tissue mass infiltrating gallbladder (GB) fossa/replacing GB, ± invading liver ( most common ) Diffuse or focal…
KEY FACTS Imaging Gallbladder (GB) wall thickening with intramural hyperechoic foci and comet-tail reverberation artifacts V-shaped comet-tail artifacts from debris in GB wall cystic spaces Twinkling artifacts from intramural debris on color Doppler examination Morphological patterns: Diffuse, segmental, annular, focal…
KEY FACTS Terminology Intramural calcification of gallbladder (GB) wall, uncommon manifestation of chronic cholecystitis 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 inflammatory process causing focal or diffuse destruction of gallbladder (GB) wall with accumulation of lipid-laden macrophages, fibrous tissue, and acute and chronic inflammatory cells You’re Reading a Preview Become a Clinical Tree membership for Full access…
KEY FACTS Terminology Chronic inflammation of gallbladder (GB) causing wall thickening and fibrosis 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 Acute necroinflammatory disease of gallbladder (GB) secondary to stasis and ischemia, not related to gallstones You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a…
KEY FACTS Terminology Acute inflammation of gallbladder (GB) secondary to calculus obstructing cystic duct 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 Single or multiple small, round/ovoid masses attached to gallbladder (GB) wall with no posterior acoustic shadowing Usually sessile but may be pedunculated with well-defined stalk Usually 2-10 mm in size, most commonly in middle 1/3 of GB…
KEY FACTS Imaging Amorphous, mid-/high-level echoes within gallbladder or bile ducts Free floating or mass-like, mobile, settling in dependent position Floating punctate echoes may show ring-down artifact Occasionally round, low to intermediate echogenicity and mass-like: "Tumefactive" sludge No posterior acoustic…
KEY FACTS Imaging Highly reflective, mobile and gravity-dependent intraluminal structures with posterior clean shadowing Variable size; stones < 5 mm may not shadow Contracted gallbladder (GB) full of stones may not exhibit mobility and may be mistaken for duodenal bulb…