Mucus Containing Cystic Lesions “Mucocele” of the Appendix: The Unresolved Issues
Table 3
Initial operation and histopathologic diagnosis, margin status, and further operation.
Serial
Initial operation
Histopathology
Resection margin
Further operation
1
Open appendectomy
Mucinous cystadenoma with acute appendicitis
Positive
No
2
Exploratory laparotomy and right hemicolectomy
Mucinous cystadenoma with acute and chronic inflammation/mucinous tumour of uncertain malignant potential?
Free
No
3
Laparoscopic appendectomy**
Mucinous cystadenoma
Free
No
4
Open appendectomy
Mucinous cystadenoma
Free
No
5
Exploratory laparotomy with appendectomy
Mucinous hyperplasia with carcinoid tumour of the appendix and necrotizing hepatic granulomas
Free
No
6
Exploratory laparotomy with appendectomy
Mucinous cystadenoma with acute and chronic inflammation/mucinous tumour of uncertain malignant potential?
Free
No
7
Laparoscopic appendectomy**
Mucinous cystadenocarcinoma with peritoneal and omental deposits/pseudomyxoma peritonei
Not documented*
Rt. hemicolectomy
8
Laparoscopic cholecystectomy converted to laparoscopic appendectomy and peritoneal masses biopsy**
Mucinous cystadenocarcinoma with peritoneal and omental deposits/pseudomyxoma peritonei
Not documented*
No
9
Laparoscopic appendectomy**
Low grade mucinous tumour
Free
Rt. hemicolectomy
*The presence of peritoneal and omental deposits with pseudomyxoma peritonei invalidates the need for a free resection margin. **Retrieval bag was used to extract the specimen.