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Revista argentina de radiología

versão On-line ISSN 1852-9992

Resumo

LOPEZ-GROVE, Roy et al. Computed tomography and magnetic resonance in gallbladder patology: beyond lithiasis. Rev. argent. radiol. [online]. 2022, vol.86, n.4, pp.251-261. ISSN 1852-9992.  http://dx.doi.org/10.24875/rar.m22000017.

Gallbladder disease is a common cause of abdominal pain. Although the pain is usually secondary to the presence of lithiasis and acute cholecystitis, the spectrum of the disease is broad and includes congenital anomalies, other inflammatory processes and neoplasms. Computed tomography (CT) and magnetic resonance (MRI) have a relevant role in those cases in which ultrasound is not conclusive and in treatment planning. Among the congenital anomalies, the “phrygian cap” shape is the most frequent. Polyps are mostly benign lesions, with the characteristics of malignancy being larger than 10 mm, solitary and sessile. Adenomyomatosis is recognizable by gallbladder wall thickening and intramural cystic components. It is important to recognize intramural and intraluminal gas in emphysematous cholecystitis and intraluminal microabscesses and hemorrhages in gangrenous cholecystitis because of its high morbidity and mortality. Xanthogranulomatous cholecystitis presents with intramural nodules occupying more than 60% of the thickened wall area and linear preservation of mucosal enhancement without interruption. Gallbladder carcinoma presents as an infiltrative lesion extending to the liver, a mural thickening or an intraluminal polypoid mass.

Palavras-chave : Congenital abnormalities; Cholecystitis; Polyps; Gallbladder neoplasms.

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