case_images: PMC5303587_01
case_images: Abdominal CT showing irregular tissue mass in the gallbladder fundus (arrow).
case_images: CRIS2017-2534029.001.jpg
case_images: PMC5303587_01_CRIS2017-2534029.001.jpg
case_images: fig1
case_images: Computed tomography (CT) demonstrated gallbladder wall thickening and pericholecystic fluid suggestive of acute cholecystitis (Figure 1).
case_images: Right upper quadrant ultrasound showing 3.8 x 2.4 x 3.5 heterogeneous mass with small calcification emanating from the gallbladder fundus.
case_images: CRIS2017-2534029.002.jpg
case_images: PMC5303587_01_CRIS2017-2534029.002.jpg
case_images: fig2
case_images: Transabdominal U/S showed a 3.8 x 2.4 x 3.5 cm heterogeneous lesion emanating from the gallbladder fundus, suspicious for malignancy (Figure 2).
case_images: Gross examination reveals diffuse gallbladder wall thickening from the tumor mass encompassing the entire gallbladder lumen.
case_images: CRIS2017-2534029.003.jpg
case_images: PMC5303587_01_CRIS2017-2534029.003.jpg
case_images: fig3
case_images: The tumor appeared to have diffuse growth encompassing the entire gallbladder lumen (Figure 3).
case_images: Microscopic examination of gallbladder shows infiltrating carcinoma (a). Tumor is composed of squamous cells with individual cell keratinization (white arrow) and intercellular bridges (black arrows) (b).
case_images: CRIS2017-2534029.004.jpg
case_images: PMC5303587_01_CRIS2017-2534029.004.jpg
case_images: fig4
case_images: Prominent keratin pearls and intercellular bridges were evident in histology, which are characteristic of squamous cell differentiation (Figure 4).
case_images: Local invasion of the tumor in liver parenchyma (black arrows) (a) and duodenum (white arrows) (b).
case_images: CRIS2017-2534029.005.jpg
case_images: PMC5303587_01_CRIS2017-2534029.005.jpg
case_images: fig5
case_images: Direct infiltration of the hepatic parenchyma and duodenum was noted (Figure 5).