Table 1 Summary of clinicopathological features of cystic neoplasm cases of the mesentery
Characteristics | Cystadenoma n = 14 | Borderline malignant cystic neoplasm n = 6 | Cystadenocarcinoma of the mesentery n = 9 |
|---|---|---|---|
Sex | |||
Female | 12 | 5 | 8 |
Male | 1 | 1 | 1 |
Age (years) | |||
Median | 43 (14–80) | 38 (32–54) | 41 (23–72) |
Symptoms and signs (including duplicate) | |||
Incidental finding | 5 | 0 | 1 |
Abdominal pain/back pain | 4 | 3 | 3 |
Abdominal distention/discomfort | 4 | 5 | 2 |
Nausea/vomiting | 0 | 2 | 1 |
Weight loss | 0 | 0 | 2 |
Not described | 2 | 1 | 0 |
Preoperative imaging modality (including duplicate) | |||
US | 2 | 4 | 3 |
CT | 7 | 4 | 7 |
MRI | 7 | 2 | 1 |
PET/CT | 0 | 0 | 1 |
Not described | 2 | – | – |
Tumor location | |||
Appendix | 1 | 0 | 0 |
Ascending colon | 1 | 1 | 1 |
Transverse colon | 1 | 0 | 3 |
Descending colon | 2 | 2 | 3 |
Sigmoid colon | 4 | 1 | 2 |
Sigmoid and descending colon | 0 | 1 | 0 |
Small intestine | 3 | 0 | 0 |
Mesentery (not described) | 2 | 1 | 0 |
Tumor size (Maximum diameter: cm) | |||
Median | 12 (7–40) | 17 (10–25) | 10 (5–18) |
Internal structure | |||
Unilocular | 3 | 2 | 2 |
Multilocular | 4 | 2 | 2 |
Not described | 7 | 2 | 5 |
Surgical treatment | |||
Only cystectomy | 6 | 1 | 3 |
Cystectomy with bowel resected | 5 | 1 | 3 |
Cystectomy with combined resection involving other organs | 1 | 1 | 1 |
Cytoreductive surgery | 0 | 0 | 1 |
Unresectable | 0 | 0 | 1 |
Not described | 2 | 3 | 0 |
Subtype of final diagnosis | |||
Mucinous | 14 | 6 | 3 |
Serous | 0 | 0 | 2 |
Seromucinous | 0 | 0 | 1 |
Indistinguishable | 0 | 0 | 3 |