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Sanvito, Francesco; Gallotti, Anna; Cobianchi, Lorenzo; Vanoli, Alessandro; Cho, Nicholas S.; Preda, Lorenzo
Radiation (Multidisciplinary Digital Publishing Institute), 01/2022, Letnik: 2, Številka: 1Journal Article
Rokitansky-Aschoff sinuses (RAS) are a common imaging finding in gallbladder adenomyomatosis (ADM), often presenting as fundal cystic spaces. Intracholecystic papillary neoplasm (ICPN) is a relatively uncommon pre-invasive tumor of the gallbladder epithelium that rarely involves RAS mucosa. We compare two cases that showed similar fundal cystic spaces resembling RAS, in which Magnetic Resonance Diffusion-Weighted Imaging (MR-DWI) was valuable for detecting (or ruling out) an underlying malignant ICPN. Evidence from the literature overall supports the role of MR-DWI for detecting intracholecystic malignant tissue.
