Answer
Answer
Magnetic resonance imaging (MRI) is not commonly used in the diagnostic process for GB carcinoma. The findings are analogous to those from CT scanning. The tumor is usually bright on T2-weighted images and is poorly marginated. On T1-weighted images, relative to the liver, the GB carcinoma ranges from isointense to hypointense. [4]
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Media Gallery
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Sagittal sonogram in a 71-year-old woman. This image demonstrates heterogeneous thickening of the gallbladder wall (arrows). The diagnosis was primary papillary adenocarcinoma of the gallbladder.
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Transverse ultrasonogram in a 66-year-old man. This image shows the gallbladder is filled with shadowing stones (arrow) that are surrounded by the hypoechoic liver parenchyma, which represents direct invasion by carcinoma. The diagnosis was squamous cell carcinoma of the gallbladder.
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Computed tomography scan in a 65-year-old man. This image depicts squamous cell carcinoma of the gallbladder and invasion of the liver.
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Computed tomography (CT) scan in a 65-year-old man with squamous cell carcinoma of the gallbladder and invasion of the liver (same patient as in the previous image). This CT scan depicts a lower cut through the liver than does the previous image.
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