Preoperatively diagnosed mucocele of the appendix.

Mucocele of the appendix is an infrequent entity, characterized by distension of the lumen due to accumulation of mucoid substance and is rarely diagnosed preoperatively. If untreated, mucocele may rupture producing a potentially fatal entity known as pseudomyxoma peritonei. The type of surgical treatment is related to the dimensions and the histology of the mucocele.

Duodenal gastrointestinal stromal tumor.

Background: Gastrointestinal stromal tumors (GISTs) are low-grade malignant tumors that may arise anywhere in the alimentary tract, and in the past, most of them were diagnosed as intestinal leiomyoma or leiomyosarcoma. GISTs of the duodenum make up only 4.5% of all GISTs.

Acute spontaneous chylous peritonitis: report of a case.

Acute abdominal pain with peritonitis due to sudden extravasation of lymph into the peritoneal cavity is a rare condition that is often mistaken for other causes of acute abdomen. The diagnosis of spontaneous chylous peritonitis is rarely suspected preoperatively, usually misdiagnosed with diverse common surgical emergencies. We report the case of an 81 year old female who presented with typical symptoms of acute abdomen, presumed as acute mesenteric ischemia.

Appendiceal mucinous cystadenocarcinoma with implantation metastasis to the incision scar and cutaneous fistula.

Introduction: Mucinous cystadenocarcinoma of the appendix with invasion of the anterior abdominal wall and cutaneous fistula development is a rare condition. To the best of the authors' knowledge, five such cases have been reported in the medical literature.

Methods And Results: The patient was a 68-year-old man who presented with a mass growing through the incisional scar and a skin fistula with mucinous discharge 1 year after appendectomy via McBurney's incision.

[Bleeding gastric inflammatory fibroid polyp (Vanek's tumor)].

Inflammatory fibroid polyp's (IFP) or Vanek tumor of the gastrointestinal tract represents a relatively unusual entity. IFP is an extremely rare cause of upper gastrointestinal bleeding. We report herein a case of a 30-year-old woman who had a gastric IFP complicated by gastrointestinal bleeding and obstructive symptoms.