Table 5. Features of 14 recurrent ampullary adenomas.
| Patient Number | Histology | Size of initial adenoma (cm) | Recurrence free interval (mo) | Number of surveillance exams when recurrence diagnosed | Treatment |
|---|---|---|---|---|---|
| A#2 | TA*, VA**, with HGD*** | 1.3 | 7 | 1 | Endoscopic biopsy |
| A#3 | TA | 1.0 | 11 | 1 | Endoscopic biopsy |
| A#5 | TA | 0.8 | 91 | 7 | Endoscopic biopsy |
| A#6 | Adenoma with HGD | 0.8 | 110 | 15 | 2nd ampullectomy |
| A#7 | TA | 1.2 | 10 | 2 | Endoscopic biopsy |
| A#9 | TA | 1.1 | 16 | 2 | APC fulguration |
| A#11 | TA | 0.7 | 104 | 5 | Endoscopic biopsy |
| A#12 | TA | 1.0 | 13 | 1 | 2nd ampullectomy |
| A#15 | TA with LGD**** | 1.2 | 16 | 1 | APC fulguration |
| B#1 | Adenoma | 0.9 | 16 | 2 | Endoscopic biopsy |
| B#3 | TA | 1.1 | 56 | 1 | 2nd ampullectomy |
| B#5 | Adenoma | 1.2 | 23 | 4 | Endoscopic biopsy |
| B#8 | Adenoma | 2.0 | 7 | 1 | Endoscopic biopsy |
| B#11 | Adenoma | 1.0 | 56 | 3 | 2nd ampullectomy |
*
TA: tubular adenoma
**
VA: villous adenoma
***
HGD: high grade dysplasia
****
LGD: low grade dysplasia