case_images: PMC3959304_01
case_images: Colonic mucosa with dilated crypts and presence of signet-ring cells (H.E. x100) A, Signet-ring cells in dilated crypts (H.E.x200) B
case_images: AnnGastroenterol-24-222-g001.jpg
case_images: PMC3959304_01_AnnGastroenterol-24-222-g001.jpg
case_images: F1
case_images: In some areas the crypts were replaced by signet-ring cells, confined above the basement membrane of the crypts and did not infiltrate the lamina propria (Fig. 1).
case_images: Signet-ring cells cytokeratin 20 positive (x40) A, Signet-ringcells MIB-1 negative (x40)
case_images: AnnGastroenterol-24-222-g002.jpg
case_images: PMC3959304_01_AnnGastroenterol-24-222-g002.jpg
case_images: F2