Carcinomas of the appendix are exceedingly rare tumors and have an annual age-adjusted incidence of around 0.4 cases per 100,000. Appendiceal adenocarcinoma accounts for < 0.5% of all gastrointestinal neoplasms and, of these, mucinous adenocarcinomas account for the majority. Published accounts of familial instances of primary appendiceal tumors are strikingly rare. We report two siblings who b...

Appendiceal intussusception is an uncommon form of intussusception. Most of the literature regarding appendiceal intussusception discusses the colonoscopic diagnosis or surgical treatment of the condition. Sonographic findings have rarely been described. We present a case of preoperative sonographic diagnosis of appendiceal intussusception.

INTRODUCTION Appendicitis is a common cause of acute abdomen; however, the classic clinical signs are not often present, and it has unusual presentations. Thus, its diagnosis can be challenging. PRESENTATION OF CASE We describe the case of an elderly man who presented with right abdominal wall abscess with spontaneous drainage in the emergency department. Since we suspected a subjacent abdomi...

PURPOSE Traditional Kasai portoenterostomy and porto-appendiceal duodenostomy have been utilized for biliary atresia. Differences in outcome between patients who underwent either Kasai portoenterostomy or porto-appendiceal duodenostomy were compared. METHODS A review of all children who underwent a drainage procedure for biliary atresia from 1986 to 2000 (n = 30) was performed. Age at drainag...

We report a case of appendiceal mucinous cystadenoma that was successfully diagnosed preoperatively and treated by laparoscopic resection. We could find volcano sign on colonoscopy and cystic lesion without any nodules at the appendix on computed tomography (CT). Without any malignant factors in preoperative examinations, we performed laparoscopic appendectomy including the cecal wall. We could...

Intussusception of the appendix is an extremely rare condition. Although approximately 200 cases of appendiceal intussusception have been reported in the literature, very few have ever been diagnosed preoperatively. We report a case of appendiceal intussusception secondary to endometriosis in an otherwise healthy female. The case was diagnosed preoperatively by colonoscopy and treated surgicall...

Background: Appendiceal cancer as a cause of appendicitis is a rare event occurring in approximately 1.0% of all cases of appendicitis. Nevertheless, treatment of appendiceal cancer as appendicitis may have an adverse outcome for the patient, even iatrogenically converting a contained malignant process into a disseminated disease that will have a lethal outcome. Methods: Staging of appendiceal ...