case_images: PMC7754865_01
case_images: Fungating-polypoid mass with central ulceration at the fundus of the gallbladder.
case_images: NCI-7-624-g001.jpg
case_images: PMC7754865_01_NCI-7-624-g001.jpg
case_images: F1
case_images: The macroscopic examination of the piece showed tumoral lesion fundus/corpus localization and ulcerated surface (Fig. 1).
case_images: x40, H&E; tumor in a solid pattern.
case_images: NCI-7-624-g002.jpg
case_images: PMC7754865_01_NCI-7-624-g002.jpg
case_images: F2
case_images: x400, H&E; cells with hyperchromatic nucleus, indistinct nucleoli and narrow cytoplasm.
case_images: NCI-7-624-g003.jpg
case_images: PMC7754865_01_NCI-7-624-g003.jpg
case_images: F3
case_images: x200, synaptophysin; diffuse cytoplasmic positive reaction.
case_images: NCI-7-624-g004.jpg
case_images: PMC7754865_01_NCI-7-624-g004.jpg
case_images: F4
case_images: In immunohistochemical evaluation, cytoplasmic punctate linear positive staining for pan-cytokeratin in focal areas, diffuse cytoplasmic positive staining for synaptophysin and CD56, focal weak positive staining for chromogranin A (Fig. 4) were detected.
case_images: x200, The Ki- 67 proliferative index; 80-90%.
case_images: NCI-7-624-g005.jpg
case_images: PMC7754865_01_NCI-7-624-g005.jpg
case_images: F5
case_images: The Ki-67 proliferative index was 80-90% (Fig. 5).