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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.
Pneumoperitoneum is pneumatosis (abnormal presence of air or other gas) in the peritoneal cavity, a potential space within the abdominal cavity. The most common cause is a perforated abdominal organ, generally from a perforated peptic ulcer, although any part of the bowel may perforate from a benign ulcer, tumor or abdominal trauma.
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.
8 lis 2022 · Urachus Sign: In the supine abdominal radiograph, the free air of pneumoperitoneum outlines the median umbilical ligament and appears as a urachus sign. The median umbilical ligament is formed by the obliteration of urachus (remnants of the canal drain urine in the fetus).
21 cze 2021 · Postoperative intraperitoneal or ectopic free air may occur after abdominal surgery, gynecologic surgery, laparoscopic surgery, or endoscopic procedures and, in rare cases, represent gastrointestinal perforation, requiring emergency laparotomy.
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.
19 gru 2019 · Perforation or rupture of an air-containing bowel loop is the most common cause of free intraperitoneal air. The three radiologic signs of free air are air beneath the diaphragm, visualization of both sides of the bowel wall, and visualization of the falciform ligament.
