Question 1901
{"accessible":false,"alternatives":[{"id":9443,"text":"adenomyomatosis of the gallbladder"},{"id":9444,"text":"gallbladder inflammatory polyps"},{"id":9445,"text":"small common bile duct stones"},{"id":9446,"text":"small renal or ureteric calculi"},{"id":9447,"text":"testicular microlithiasis "},{"id":9448,"text":"thyroid colloid nodules"}],"archived":false,"correctAlternativeId":9444,"explanation":"\u003cp\u003eGallbladder inflammatory polyps\u003cstrong\u003e\u0026nbsp;\u003c/strong\u003eare a benign subtype of\u0026nbsp;gallbladder polyps, representing ~10% of all polyps. They appear as a result of chronic inflammation (\u003ca href=\"https://radiopaedia.org/articles/chronic-cholecystitis?lang=gb\"\u003echronic cholecystitis\u003c/a\u003e). Usually multiple, size\u0026nbsp;\u0026lt;10 mm, with\u0026nbsp;variable echogenicity on ultrasound, but with no comet-tail artifact.\u0026nbsp;\u003c/p\u003e\u003cp\u003eThe\u0026nbsp;\u003cstrong\u003ecomet-tail artifact\u003c/strong\u003e\u0026nbsp;is a\u0026nbsp;grey-scale ultrasound\u0026nbsp;finding seen when small calcific / crystalline / highly reflective objects are interrogated and is believed to be a special form of\u0026nbsp;reverberation artifact.\u003c/p\u003e\u003cp\u003eIt may be seen in the following situations:\u003c/p\u003e\u003cul\u003e\n\u003cli\u003esmall\u0026nbsp;\u003ca href=\"https://radiopaedia.org/articles/nephrolithiasis?lang=gb\"\u003erenal or ureteric calculi\u003c/a\u003e\n\u003c/li\u003e\n\u003cli\u003esmall\u0026nbsp;\u003ca href=\"https://radiopaedia.org/articles/choledocholithiasis?lang=gb\"\u003ecommon bile duct stones\u003c/a\u003e\n\u003c/li\u003e\n\u003cli\u003e\u003ca href=\"https://radiopaedia.org/articles/adenomyomatosis-of-gallbladder?lang=gb\"\u003eadenomyomatosis of the gallbladder\u003c/a\u003e\u003c/li\u003e\n\u003cli\u003epancreatic calcifications of\u0026nbsp;\u003ca href=\"https://radiopaedia.org/articles/chronic-pancreatitis-2?lang=gb\"\u003echronic pancreatitis\u003c/a\u003e\n\u003c/li\u003e\n\u003cli\u003e\n\u003ca href=\"https://radiopaedia.org/articles/testicular-microlithiasis?lang=gb\"\u003etesticular microlithiasis\u003c/a\u003e\u0026nbsp;(sometimes)\u003c/li\u003e\n\u003cli\u003ethyroid\u0026nbsp;\u003ca href=\"https://radiopaedia.org/articles/colloid-nodule-thyroid-1?lang=gb\"\u003ecolloid nodules\u003c/a\u003e\n\u003c/li\u003e\n\u003cli\u003eidentification of foreign bodies\u003cul\u003e\n\u003cli\u003esurgical clips\u003c/li\u003e\n\u003cli\u003ecatheter tips\u003c/li\u003e\n\u003cli\u003edebris / glass / metal\u003c/li\u003e\n\u003c/ul\u003e\n\u003c/li\u003e\n\u003c/ul\u003e","id":1901,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/1901","nextQuestionPath":null,"relatedArticles":[{"id":9055,"title":"Testicular microlithiasis","link":"/articles/testicular-microlithiasis?lang=us"},{"id":29723,"title":"Colloid nodule (thyroid)","link":"/articles/colloid-nodule-thyroid-1?lang=us"},{"id":35363,"title":"Gallbladder inflammatory polyps","link":"/articles/gallbladder-inflammatory-polyps?lang=us"}],"alsoUsedIn":[{"id":1729,"kind":"Course","title":"2023 Virtual Conference Private Use - page 1729","link":"https://radiopaedia.org/courses/2023-virtual-conference-private-use/pages/1729"},{"id":365,"kind":"LiveSchedule","title":"365","link":"https://radiopaedia.org/admin/live_schedules/365"},{"id":286,"kind":"LiveSchedule","title":"286","link":"https://radiopaedia.org/admin/live_schedules/286"},{"id":1489,"kind":"Course","title":"2023 Virtual Conference Private Use - page 1489","link":"https://radiopaedia.org/courses/2023-virtual-conference-private-use/pages/1489"},{"id":1489,"kind":"Course","title":"X-ray \u0026 Ultrasound Lectures - page 1489","link":"https://radiopaedia.org/courses/xray-lectures/pages/1489"}],"stem":"\u003cp\u003eThe comet-tail artifact may be seen in all the following situations\u0026nbsp;\u003cstrong\u003eEXCEPT...\u003c/strong\u003e\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/1901"}],"attemptsPercentages":[{"alternativeId":"9447","percentage":11},{"alternativeId":"9445","percentage":12},{"alternativeId":"9446","percentage":10},{"alternativeId":"9444","percentage":48},{"alternativeId":"9443","percentage":3},{"alternativeId":"9448","percentage":15}],"promptToLogin":false,"questionManager":false,"articleId":"adenomyomatosis-of-the-gallbladder"}