Table 2:
Comparison of morphology and grading of neuroendocrine tumors. Cytology versus histology.
| Case No. | Cytology | Histology | ||||
|---|---|---|---|---|---|---|
| Morphology | Ki-67% | Grade | Morphology | Ki-67% | Grade | |
| 1 | WD + nuclear tangles and molding | 21 | 3 | WD + poorly differentiated areas | 25 (R) | 3 |
| 2 | WD | <3 | 1 | WD | 2 (R) | 1 |
| 3 | WD | <3 | 1 | WD | <2 (B) | 1 |
| 4 | WD + focal anisonucleosis | 27* | 3 | WD + poorly differentiated areas | 24 (B) | 3 |
| 5 | WD | <2* | 1 | WD + nuclear pleomorphism | 1 (R) | 1 |
| 6 | PD | 29* | 3 | PD | 25 (B) | 3 |
| 7 | WD | 3 | 2 | WD | 6–7 (B) | 2 |
| 8 | WD + nuclear pleomorphism | 6 | 2 | Intermediate | 3 (R) | 2 |
| 9 | WD | <2 | 1 | WD | 2 (R) | 1 |
| 10 | WD | 7-8 | 2 | WD | 3–4 (R) | 2 |
| 11 | WD | <2* | 1 | WD | 4 (B) | 2 |
*
Cytological Ki-67 grading done on alcohol fixed Pap stained smears=Four cases. R: Resection (six cases), B: Biopsy (five cases), WD: Well differentiated, PD: Poorly differentiated