Review Article
Surgical Treatment of Sporadic Pancreatic Neuroendocrine Tumors: A State of the Art Review
Table 2
Pathology report recommendations for pancreatic neuroendocrine tumors (PNETs) [
4].
| Macroscopic description | |
| (i) Exact anatomical site | | (ii) Margins distance | | (iii) Size of the lesion | |
| Microscopic description | |
| (i) Description inclusive of all relevant aspects according to specific anatomical site (structure, necrosis, etc.) | | (ii) Supporting immunohistochemistry | | (iii) Mitotic count per 10 HPF (2 mm2) and number of mitoses assessed in 50 HPF | | (iv) Ki-67 index per 400–2,000 cells (hot spots) | | (v) Node status | | (vi) Margins status | |
| Diagnosis | |
| (i) Definition (NET or NEC) | | (ii) Cell component (functioning cases only) | | (iii) Grade (1, 2, or 3) | | (iv) Tumor-node-metastasis stage | |
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HPF: high-power field; NEC: neuroendocrine carcinoma; NET: neuroendocrine tumor.
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