Table 1.
Major clinicopathologic characteristics of the 100 PC patients
| Items | Value, n (%) |
|---|---|
| Gender | |
| Male/female | 41 (41)/59 (59) |
| Age (years) | |
| <60/≥60 | 71 (71)/29 (29) |
| Median KPS score (range) | 70 (60–90) |
| Primary tumor | |
| Carcinoma of the stomach | 30 (30) |
| Carcinoma of the colorectum | 41 (41) |
| Pseudomyxoma peritonei | 13 (13) |
| Carcinoma of ovary and primary peritoneum | 16 (16) |
| Histopathology | |
| Adenocarcinoma, poorly/intermediately differentiated | 44 (44) |
| Undifferentiated carcinoma | 3 (3) |
| Myxoadenocarcinoma and signet-ring cell carcinoma | 26 (26) |
| Serous adencarcinoma | 14 (14) |
| Pseudomyxoma peritonei | 13 (13) |
| Neoadjuvant chemotherapy | |
| Yes/no | 47 (47)/53 (53) |
| PC timinga | |
| Synchronous/metachronous | 80 (80)/20 (20) |
| PCI scoresa | |
| ≤20/>20 | 44 (44)/56 (56) |
| Median PCI scores (range) | 22 (3–39) |
| Ascites at surgeryb | |
| ≤1000 mL/>1000 mL | 63 (63)/37 (37) |
| Surgical procedures-organ resection | |
| Partial/total gastrectomy | 24 (24) |
| Resection of jejunum | 4 (4) |
| Resection of ileum | 12 (12) |
| Resection of ileocecus | 32 (32) |
| Ascending colectomy | 27 (27) |
| Transverse colectomy | 32 (32) |
| Descending colectomy | 12 (12) |
| Sigmoidectomy | 16 (16) |
| Rectectomy | 29 (29) |
| Resection ovarian/fallopian tube | 29 (29) |
| Hysterectomy | 15 (15) |
| Partial hepatectomy | 2 (2) |
| Splenectomy | 11 (11) |
| Cholecystectomy | 11 (11) |
| Number of organ resecteda,c | |
| 1–3 resections | 59 (67.1) |
| 4–7 resections | 23 (26.1) |
| 8–12 resections | 6 (6.8) |
| Peritonectomya | |
| Greater/lesser omentum | 92 (92) |
| Left diaphragmatic copula | 15 (15) |
| Right diaphragmatic copula | 38 (38) |
| Right colon gutter | 41 (41) |
| Left colon gutter | 42 (42) |
| Liver round ligament/sickle ligament | 53 (53) |
| Douglas/rectovesical pouch | 49 (49) |
| Anterior wall peritoneum | 40 (40) |
| Pelvic peritoneum | 58 (58) |
| Mesenteric fulguration | 66 (66) |
| Peritoneal resection areaa | |
| 1–3 resections | 44 (44) |
| 4–6 resections | 16 (16) |
| 7–12 resections | 40 (40) |
| CC scoresa | |
| 0 | 30 (30) |
| 1 | 32 (32) |
| 2–3 | 38 (38) |
| Number of anastomosisa | |
| None or ostomy only | 25 (25) |
| =1/>1 | 35 (35)/40 (40) |
| Postoperative chemotherapy moded | |
| SC/SC + IP | 31 (38.3)/50 (61.7) |
| Postoperative chemotherapy cycles | |
| <6/≥6 | 49 (49)/51 (51) |
| Median postoperative chemotherapy cycles (range) | 6 (1–12) |
| Median postoperative SC/IP + SC cycles (range)d | 5 (1–12)/6 (1–12) |
| Median duration of ICU (hours) (range) | 22 (11–94) |
| Median duration of hospitalization (days) (range) | 20 (10–76) |
| Median follow-up (months) (range) | 19.7 (7.5–89.2) |
aAccording to the first surgery
bFive patients each underwent two operations
c12 patients without organ resection
d19 patients without any postoperative chemotherapy
PC peritoneal carcinomatosis, KPS Karnofsky performance score, PCI peritoneal cancer index, CC completeness of cytoreduction, SC systemic chemotherapy, IP intraperitoneal chemotherapy, ICU intensive care unit