• open longitudinally with blunt ended scissors along the mesenteric border avoiding any obvious areas of tumour or perforation.
Tip perforation or heterotopic tissue a
- Planes of opening c c
Sample the surgical resection margins (a), body (b) and tip (c) of the diverticulum
Figure 4.4. Meckel's diverticulum - specimens.
- lengths and maximum diameter (cm) of the parts present - duodenum, jejunum, ileum, caecum, ascending colon, appendix.
- lengths (cm) of ischaemic, strictured or hose-pipe segments, intussusception.
- maximum dimensions (cm) of any perforation(s), ulcer(s), polyp(s) and tumour(s).
- distances (cm) of the abnormality from the proximal and distal resection limits.
• gently pack the bowel lumen with formalin-soaked lint and fix by immersion in 10% formalin for 48 hours.
Transverse section the surgical limits and the bowel to represent normality and any lesion that is present. Sample the mesenteric vessels
Figure 4.5. Small bowel ischaemia.
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