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Pneumoperitoneum is the presence of air or gas in the abdominal (peritoneal) cavity. It is usually detected on x-ray, but small amounts of free peritoneal air may be missed and are often detected on computerized tomography (CT). The most common cause of a pneumoperitoneum is a perforation/disruption of the wall of a hollow viscus.
21 paź 2014 · The most common presenting sign is melena [ 41 ]. Due to physiologic changes including decreased abdominal musculature, rigidity is absent in approximately 80% of elderly patients who present with perforated PUD, and free air is appreciated on only about 40% of plain radiographs [ 37] (Figure 6 ).
16 paź 2014 · Free-air was determined under diaphragm and intraperitoneal in X-ray and abdomen CT, respectively. Upper gastrointestinal endoscopy and colonoscopy were performed and detected hiatus hernia, erythematous pangastritis and grade 2 internal hemorrhoids.
5 kwi 2024 · The most common cause of pneumoperitoneum is the disruption of the wall of a hollow viscus. In children, the causes are different from the adult population and are considered in the neonatal pneumoperitoneum article.
21 mar 2022 · Free air on CT or Pneumoperitoneum often indicates a life threatening perforation of bowel. There are many causes but a few of the most common are stomach ulcers and diverticulitis. Others can be from medical procedures like colonoscopy where the bowel wall is perforated.
1 sty 2004 · The most common causes of benign nonsurgical pneumoperitoneum are abdominal, with perioperative and endoscopic procedures being the most frequent causes in this category. Open and...
1 lut 2023 · PI can also be associated with pneumoperitoneum or free air in the peritoneal cavity. The pathogenesis of PI is poorly understood and is probably multifactorial. In some cases, PI is an incidental finding associated with a benign etiology, whereas in others, it portends a life-threatening intra-abdominal condition.
