Pneumobilia: a case report and literature review on its surgical approaches.

Gallstones ileus is an uncommon cause but important cause of small bowel obstruction. The gallstone enters the intestinal lumen via a fistula located in the duodenum (cholecystoduodenal), or rarely, in the colon (cholecystocolonic) or stomach (cholecystogastric). This may result in large bowel or gastric outlet obstruction (Bouveret's Syndrome).

Appendicular perforation at the base of the caecum, a rare operative challenge in acute appendicitis, a literature review.

Background: Acute appendicitis is the most common acute surgical condition of the abdomen. Diagnosis is made based on full clinical history and examination as well as supported by a routine blood investigation and urine test. Prompt diagnosis and surgical referral may reduce the risk of perforation and prevent complications.