<unk>  results from chronic<unk>  obstruction. It  may be caused by either benign or malignant leisons like mucinous neoplasms (mucinous cystadenoma or mucinous cystadenocarcinoma)and<unk>  carcinoid. It's complication is rupture which may lead to pseudomyxoma peritonei.
CT images demonstrate a<unk>  of the appendix
Appendiceal mucocele
Appendicular abscess
Splenic cyst
Bile duct cyst
Splenic abscess
Epiploic appendagitis
Retroperitoneal abscess
Mesenteric cyst