PMC6477480_01
The gross specimen displays an endophytic, ulcerating mass involving the terminal ileum, ileocecal valve, and cecum.
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F1
On visualization of the proximal cecum and terminal ileum, an ulcerating, partially obstructing, mass-like process was identified (Fig. 1).
a Gross pathology of the resected bowel. The asterisk shows the endophytic mass at the distal ileum. b Tumor cells demonstrate signet-ring cell morphology with eccentrically displaced nuclei and abundant vacuolated cytoplasm. HE. x200.
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F2
The patient subsequently underwent laparoscopic-assisted right hemicolectomy with ileostomy, with the excised sample sent for gross pathology (Fig. 2a). Final pathological diagnosis was poorly-differentiated signet-ring cell adenocarcinoma (T4aN1) of the terminal ileum, ileocecal valve, and cecum (Fig. 2b).