What is it about?
Ultrasound image of shallow T2 gallbladder carcinoma (GBC) differs between protruded and flat-elevated lesions because they show a deep hypoechoic area with conical thickening or unchanging of an outermost hyperechoic layer, respectively. The former demonstrates pulling up the top of the layer at first and then thinning later as carcinoma invades with enlargement of the hypoechoic area. In contrast, the latter thinning of the layer from the beginning.
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Why is it important?
Polypoid gallbladder tumors with a deep hypoechoic area and a conically thickened outermost hyperechoic layer suggest shallow T2 GBC and may provide good postoperative prognoses.
Perspectives
A comparative analysis between ultrasound and pathology is important in the diagnosis of gallbladder carcinoma including invasion depth of carcinoma.
Ph.D., M.D. Taketoshi Fujimoto
Iida Hospital
Read the Original
This page is a summary of: Polypoid gallbladder tumors with a deep hypoechoic area and a conically thickened outermost hyperechoic layer suggest shallow T2 carcinoma, Acta Radiologica Open, May 2019, SAGE Publications,
DOI: 10.1177/2058460119847995.
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