| Benign (n = 60) | Malignant (n = 8) | P |
---|---|---|---|
Mean age (years) | 56.3 ± 14.4 (20–87) | 51.1 ± 17.7 (24–74) | 0.358 |
Sex (male/female), (male %) | 9:11 (45%) | 3:5 (37.5%) | 1.000 |
Mean size (cm) | 5.2 ± 4.0 (1–20) | 14.0 ± 10.3 (5–33) | 0.004 |
Location | |||
 Uncinate | 9 (15%) | 0 (0%) | 0.228 |
 Head | 22 (37%) | 5 (71%) | |
 Head + body | 3 (5%) | 0 (0%) | |
 Body | 14 (23%) | 0 (0%) | |
 Body + tail | 6 (10%) | 2 (29%) | |
 Tail | 6 (10%) | 0 (0%) | |
Nature of tumor on imaging | |||
 Solid | 17 (30%) | 2 (25%) | 0.845 |
 Cystic | 26 (46%) | 3 (37.5%) | |
 Solid + cystic | 13 (23%) | 2 (25%) | |
 Not specified | 4 (7.1%) | 1 (12.5%) | |
Imaging characteristics | |||
 Well-defined margins | 45 (96%) | 2 (33%) | 0.009 |
 Presence of calcifications | 5 (9.4%) | 0 (0%) | 1.000 |
 Pancreatic duct/CBD dilation | 2 (9.1%) | 0 (0%) | 1.000 |
Relation to nearby structures | |||
 No changes in nearby structures | 12 (52%) | 0 (0%) | < 0.001 |
 Compressed/displaced vessels | 9 (39%) | 0 (0%) | |
 Encasement of vessels | 2 (8.7%) | 3 (50%) | |
 Invasion of viscera | 0 (0%) | 3 (50%) | |
Treatment | |||
 Pancreaticoduodenectomy | 13 (22%) | 3 (37.5%) |  |
 Pylorus-preserving pancreaticoduodenectomy | 7 (10%) | 0 (0%) | |
 Central pancreatectomy | 2 (3.0%) | 0 (0%) | |
 Distal pancreatectomy +/− splenectomy | 13 (19%) | 1 (12.5%) | |
 Enucleation | 8 (12%) | 0 (0%) | |
 Surgical resection NOS | 13 (19%) | 2 (25%) | |
 Unresectable | 0 (0%) | 2 (25%) | |
 Refused | 3 (4.5%) | 0 (0%) | |
Mean follow-up (months) | 19.4 ± 16.0 (3–65) | 16.3 ± 11.6 (4–28) |  |
Died of disease | 0 | 1 | Â |