PMC4735457_01
Abdominal computed tomography scan. This is a representative slice from the CT performed during the initial patient hospitalization with the following details. Procedure date: February 23, 2013. Findings: there is a heterogeneous hypoattenuating mass in the liver (8.4 cm x 5 cm x 5.2 cm). Impression: benign versus malignant neoplasm versus hamartoma versus adenoma, less likely hepatocellular carcinoma, no cirrhosis.
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The abdominal CT scan revealed a heterogeneous hypoattenuating mass in the liver (8.4 cm x 5 cm x 5.2 cm) (Fig. 1).
Magnetic resonance scan of upper abdomen with and without contrast. This is a representative slice from the MRI performed during the initial patient hospitalization with the following details. Procedure date: February 24, 2013. Findings: there is a nonenhancing complex cystic lesion in segment 8 of the liver, which contains numerous serpiginous internal septations, small foci of fat and fluid. No additional lesions identified. There is no evidence of intra or extra biliary ductal dilation. The gall bladder is normal. The pancreas, adrenals, and kidneys and spleen are unremarkable. No contrast extravasation into the cyst is seen on the hepatocyte phase images. There is no mesenteric or retroperitoneal lymphadenopathy. The visualized bowel is unremarkable. Impression: cystic liver lesion containing small foci of fat is most likely an echinococcal cyst.
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The MRI was read as most likely an echinococcal cyst (Fig. 2).