(1) Primary appendiceal cancer is a rare neoplasm.

(2) This report concerns a case of appendiceal adenocarcinoma with urinary bladder invasion.

(3) CT showed enlarged appendix, thickened wall and appendiceal fecalith, clouding or stranding of the periappendiceal fat, with periappendicitis and colonitis.

(4) Appendiceal mucoceles are uncommon, comprising about 0.3 % of cases receiving appendectomy.

(5) Methods: The data of 19 cases with appendiceal mass was analyzed retrospectively.

(6) Rubber drainage tube was placed through appendiceal nub and ileocolic part into the proximal end of the intestinal inosculation in order to low the pressure inside.

(7) Conclusion Laparoscopic treatment appendiceal abscess is feasible and there are less complications.

(8) Methods: The data of 39 cases with appendiceal mass was analyzed retrospectively.

(9) After the initial pathological examination revealed an appendiceal adenocarcinoma, a right hemicolectomy, a partial cystectomy , and resection of the involved contiguous structures were performed.

(10) This report concerns a case appendiceal adenocarcinoma with urinary bladder invasion.

(11) For the treatment of an appendiceal actinomycosis, an en-bloc surgical resection of all involved surrounding organs and appropriate antibiotic therapy will be necessary.

(12) The important prognostic factors of primary appendiceal cancer included histologic subtypes and the extent of dissemination.

(13) Objective To investigate the diagnostic and treatment methods of appendiceal mucoceles and peritoneal pseudomyxoma.

(14) Objective To explore the feasibility and complication of laparoscopic treatment for appendiceal abscess in children.

(15) Sagittal MR images further demonstrated urinary bladder invasion by the appendiceal tumor.

(16) Objective To investigate the diagnosis and treatment procedures of appendiceal mucoceles and pseudomyxoma peritonei.

(17) Colonoscopy revealed a cigar-shaped polypoid mass protruding from the appendiceal orifice within the cecum.