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Fig. 19 | Insights into Imaging

Fig. 19

From: Non-neoplastic hepatopancreatobiliary lesions simulating malignancy: can we differentiate?

Fig. 19

A 70-year-old male with no significant past medical history presenting with focal hypoechoic liver mass on an US exam performed for new onset right upper quadrant pain. a Axial plane T2W image demonstrates moderately hypointense mass (arrows) in the right liver lobe. b Same lesion demonstrates mild peripheral enhancement with no significant central contrast filling (arrows). The putative diagnosis was cholangiocellular carcinoma. Post biopsy pathologic examination confirmed IgG4-related focal liver pseudomass with no evidence of neoplastic cells

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