PMC4701866_01
Ultrasonography showing an hyperechoic mass within the gallbladder.
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Within the gallbladder's lumen (Fig. 1), ultrasonography showed an hyperechoic 18 mm x 24 mm mass, without significant color-doppler signal.
CT scan that confirms the hyperdense mass.
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Abdominal CT scan revealed the presence of an hyperdense 3 cm mass located over the gallbladder, without a clear dissection plane between this mass and the intra-luminal well known one (Fig. 2).
MRI showing the lesion located at the funus of the gallbladder.
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MRI confirmed a 18 mm solid node at the gallbladder's fundus, that presented contrast enhancement, with no signs of hepatic parenchyma infiltration. MRI was unable to identify the second mass previously detected by the CT scan (Fig. 3).
PET showing high radioactivity in the gallbladder area.
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PET (Positron Emission Tomography) showed high radioactivity in the gallbladder area (Fig. 4).
Hystological staining of the lesion, that diagnosed clear cell renal cell carcinoma metastasis.
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The final histological report defined the second lesion (described at CT scan) as benign gallbladder adenomyomatosis in a setting of chronic cholecistitis with no hepatic infiltration (Fig. 5).