Question 467
{"accessible":false,"alternatives":[{"id":2342,"text":"doge cap"},{"id":2343,"text":"double wall"},{"id":2344,"text":"lateral umbilical ligament"},{"id":2345,"text":"triangle"},{"id":2346,"text":"urachal"}],"archived":false,"correctAlternativeId":2342,"explanation":"\u003cp\u003eFree gas within the peritoneal cavity can be detected on an abdominal radiograph. There are many signs but of the list above, the double wall (Rigler's) sign and triangle sign can occur anywhere in the abdomen and the lateral umbilical ligament sign and urachus sign occur at the peritoneal reflections. The doge cap sign is the only sign that occurs in the RUQ.\u003c/p\u003e\u003cp\u003eWell, it would occur on the left in \u003ca title=\"Situs inversus\" class=\"internal\" href=\"/articles/situs-inversus\"\u003esitus \u003c/a\u003e\u003ca title=\"Situs inversus\" class=\"internal\" href=\"/articles/situs-inversus\"\u003einversus\u003c/a\u003e\u0026nbsp;:)\u003c/p\u003e","id":467,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/2571","nextQuestionPath":"/articles/pneumoperitoneum/questions/300","relatedArticles":[],"alsoUsedIn":[],"stem":"\u003cp\u003eWhich of these radiographic signs of pneumoperitoneum is found only in the right upper quadrant?\u003c/p\u003e","menuLinks":[{"text":"Report problem with question","url":"https://docs.google.com/forms/d/e/1FAIpQLSfO3soWYhOjJ7yErSysyCe5V4A1CqW7WK3rDA7MtAkecMGqNw/viewform?entry.1624461248\u0026entry.553583435=https://radiopaedia.org/questions/467"}],"attemptsPercentages":[{"alternativeId":"2344","percentage":22},{"alternativeId":"2345","percentage":20},{"alternativeId":"2342","percentage":48},{"alternativeId":"2343","percentage":10},{"alternativeId":"2346","percentage":1}],"promptToLogin":false,"questionManager":false,"articleId":"pneumoperitoneum"}