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.