Table 1.
Index | DPAM | PMCA-I/D | PMCA | Total |
No. of cases | 49 (53.2) | 26 (28.3) | 17 (18.5) | 92 (100.0) |
Gender | ||||
Male | 27 | 10 | 10 | 45 (48.9) |
Female | 22 | 16 | 7 | 47 (51.1) |
Age (range, yr) | 55.2 (22-79) | 51.9 (24-76) | 50.9 (31-75) | 53.4 (22-79) |
Operative times | ||||
≤ 2 | 34 | 18 | 12 | 64 (69.6) |
> 2 | 15 | 8 | 5 | 28 (30.4) |
Appendix | ||||
UR | 1 | 0 | 1 | 2 (2.2) |
UP | 6 | 4 | 0 | 10 (10.9) |
Appendicitis | 1 | 1 | 1 | 3 (3.1) |
LAMN | 31 | 11 | 6 | 48 (52.2) |
MACA | 10 | 10 | 9 | 29 (31.5) |
Architecture | ||||
Simple | 15 | 0 | 0 | 15 (16.3) |
FP | 20 | 16 | 1 | 37 (40.2) |
EP | 4 | 10 | 4 | 18 (19.6) |
Carcinomatous | 0 | 0 | 12 | 12 (13.1) |
Cytologic atypia | ||||
Minimal | 45 | 12 | 1 | 58 (63.0) |
Moderate | 4 | 14 | 4 | 22 (23.9) |
Marked | 0 | 0 | 12 | 12 (13.1) |
Mitosis | ||||
Rare | 48 | 13 | 1 | 52 (56.5) |
Occasional | 1 | 10 | 7 | 18 (19.6) |
Abundant | 0 | 3 | 9 | 12 (13.1) |
Organs involvment | 2 | 3 | 10 | 15 (16.3) |
Small intestine | 11 | 1 | 52,3 | 7 (7.6) |
Colon | 0 | 1 | 33 | 4 (4.3) |
Rectum | 0 | 0 | 14 | 1 (1.1) |
Urinary bladder | 11 | 0 | 0 | 1 (1.1) |
Liver | 1 | 0 | 0 | 1 (1.1) |
Uterus | 0 | 1 | 14 | 2 (2.2) |
Fallopian tube | 0 | 0 | 1 | 1 (1.1) |
Pleura | 0 | 0 | 22 | 2 (2.2) |
Ovarian involvment (n = 47) | 13 | 12 | 7 | 32 (68.1) |
1,2,3,4Represents one case had two organ involvement. LAMN: Low-grade appendiceal mucinous neoplasm; MACA: Mucinous adenocarcinoma; UP: Unknown pathology; UR: Unresected; FP: Focally proliferation; EP: Extensively proliferation; DPAM: Disseminated peritoneal adenomucinosis; PMCA-I/D: Peritoneal mucinous carcinomatosis with intermediate or discordant features.