Table 2.
Surgical and pathological characteristics in 74 patients with solid pseudopapillary neoplasm who underwent surgery
| Total | |
|---|---|
| na = 74 | |
| Surgical procedures | |
| Pylorus-preserving pancreaticoduodenectomy, n (%) | 30 (40.5) |
| Classic pancreaticoduodenectomy, n (%) | 2 (2.7) |
| Distal pancreatectomy (with splenectomy), n (%) | 26 (35.2) |
| Spleen-preserving distal pancretatecomy, n (%) | 7 (9.4) |
| Central pancreatectomy, n (%) | 9 (12.2) |
| Operative time,median (IQR)b, min | 300 (168) |
| Estimated blood loss, median (IQR), mL | 275 (275) |
| Vascular reconstruction, n (%) | 6 (8.1) |
| Multivisceral resection, n (%) | 9 (12.2) |
| Hospital stay, median (IQR), days | 12 (7.5) |
| Resection margins status, n (%) | |
| R0 | 74(100) |
| R1 | 0 |
| Lymphovascular invasion, n (%) | |
| Present | 5(6.8) |
| Absent | 60(81.1) |
| Perineural invasion, n (%) | |
| Present | 5(6.8) |
| Absent | 48(64.9) |
| Lymph nodes resected, median (IQR) | 15(15) |
| Lymph node metastasis (pN), n (%) | 4 (5.4) |
| AJCCc (TNM)d prognogtic stage group, n (%) | |
| I | 9 (12) |
| II | 63 (85) |
| III | 2 (3) |
an: number of patients
bIQR: interquartile range
cAJCC: American joint committee on cancer
dTNM: tumor, nodes and metastases