|
Small Intestine NET
|   |
|
Small Intestine NET
| |
- For resection specimens with well-differentiated neuroendocrine tumors of low or intermediate grade of the duodenum, ampulla, jejunum, and ileum. Carcinomas with mixed endocrine/glandular differentiation, poorly differentiated carcinomas with neuroendocrine features, and small cell carcinomas are not included.
Specimen and Surgical Procedure
Specimen, procedure....................................................................
Tumor
Tumor site...................................................................................
Tumor size...................................................................................
Tumor focality......................................... unifocal/multifocal (specify # of tumors)
Histologic type........................ well-differentiated neuroendocrine tumor (carcinoid)
Histologic grade............................................................................
Mitotic rate................................................................................... __/10 hpf
Ki-67 labeling index....................................................................... __%
Microscopic tumor extension...........................................................
Lymph-vascular invasion.............................................................. present/absent
Final margins
Nearest margin............................................................................
Distance from specified margin to tumor.........................................
Small intestine resection
Proximal resection margin............................................... positive/negative
Distal resection margin.................................................... positive/negative
Mesenteric (radial) margin............................................... positive/negative
Other margin(s) (if applicable; please specify).................... positive/negative
Pancreaticoduodenectomy resection
Proximal margin (gastric or duodenal)............................... positive/negative
Distal margin (distal duodenal)......................................... positive/negative
Superior mesenteric artery margin* **.............................. positive/negative
Bile duct margin............................................................. positive/negative
Pancreatic resection margin............................................. positive/negative
Inked surface of portal vein bed ...................................... positive/negative
Other margin(s) (if applicable; please specify) .................. positive/negative
* Superior mesenteric artery margin is "positive" if tumor is present 0-1 mm from margin
** Superior mesenteric artery margin is synonymous with uncinate margin and
retroperitoneal margin
Lymph Nodes
Regional lymph nodes (involved/examined)....................................... __/__
Pathologic stage........................................................................ pT__N__M__