Table 5.
Pathology characteristics for patients undergoing distal pancreatectomy
| Variable | LDP (n=71) | ODP (n=192) | p-value |
|---|---|---|---|
| Benign (%) | 62 (87.3) | 118 (61.5) | <0.01 |
| Mucinous cystic neoplasm | 17 | 26 | |
| Serous cystadenoma | 8 | 17 | |
| Intraductal papillary mucinous neoplasm | 7 | 24 | |
| Pancreatitis | 1 | 9 | |
| Solid pseudopapillary neoplasm | 0 | 7 | |
| Pseudocyst | 1 | 9 | |
| Simple cyst | 3 | 1 | |
| Pancreatic neuroendocrine tumor | 20 | 22 | |
| Other | 5 | 3 | |
| Castleman Disease | 0 | 1 | |
| Vascular malformation | 0 | 1 | |
| Islet cell hyperplasia | 0 | 1 | |
| Pancreatic intraepithelial neoplasia | 1 | 0 | |
| Acinar cell nodule | 1 | 0 | |
| Calcified vessels | 1 | 0 | |
| Heterotopic ossification | 1 | 0 | |
| Schwannoma | 1 | 0 | |
| Malignant (%) | 9 (12.7) | 74 (38.5) | <0.01 |
| Pancreatic ductal adenocarcinoma | 3 | 58 | <0.01 |
| Intraductal papillary mucinous carcinoma | 0 | 2 | |
| Pancreatic neuroendocrine carcinoma | 5 | 9 | |
| Other | 1 | 5 | |
| Renal cell carcinoma | 0 | 5 | |
| Leiomyosarcoma | 1 | 0 | |
| Lesion size, cm | |||
| Median (IQR*) | 2.5 (1.5–4.0) | 3.6 (2.0–6.0) | <0.01 |
| Length of resected pancreas, cm | |||
| Mean (SD†) | 7.7 (3.2) | 10.0 (3.6) | <0.01 |
| Positive margin (%) | 2 (2.8) | 25 (13.0) | 0.01 |
| Number of lymph nodes evaluated | |||
| Median (IQR) | 6.0 (2.5–12.0) | 8.0 (3.0–13.0) | 0.29 |
| Patients with positive lymph nodes (%) | 6 (8.5) | 36 (18.8) | 0.04 |
*
Interquartile range (IQR)
†
Standard deviation (SD)