Question 1557
{"accessible":false,"alternatives":[{"id":7765,"text":"any suspicious lesion must be biopsied, regardless of enhancement"},{"id":7766,"text":"enhancing fat containing lesion is likely benign"},{"id":7767,"text":"similar contraindications to that of contrast enhanced CT"},{"id":7768,"text":"the interpretation relies on dedicated BI-RADS lexicon"}],"archived":false,"correctAlternativeId":7768,"explanation":"\u003cp\u003eEditor note: at the time this question was written, this answer was correct, but there has since (in 2022) been a dedicated \u003ca href=\"/articles/contrast-enhanced-mammography-2\" title=\"Contrast-enhanced mammography\"\u003econtrast-enhanced mammography\u003c/a\u003e BI-RADS lexicon published.\u003c/p\u003e\u003cp\u003e--\u003c/p\u003e\u003cp\u003eCurrently,\u0026nbsp;there is no dedicated BI-RADS lexicon to report CEM and the descriptors are borrowed from mammogram and MRI lexicons.\u003c/p\u003e\u003cp\u003eSince some cancers may not enhance, the lack of contrast enhancement cannot be used to dismiss suspicious abnormalities.\u003c/p\u003e\u003cp\u003eAllergic reaction and impaired renal functions are the only contraindications for CEM, just like for contrast CT exam.\u003c/p\u003e\u003cp\u003eFat containing lesions are usually \u003ca href=\"/articles/intramammary-lymph-nodes\"\u003eintramammary nodes\u003c/a\u003e and \u003ca href=\"/articles/fibroadenolipoma-of-breast\"\u003efibroadenolipomas\u003c/a\u003e.\u003c/p\u003e","id":1557,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/1557","nextQuestionPath":null,"relatedArticles":[],"alsoUsedIn":[{"id":648,"kind":"Course","title":"Radiopaedia 2020 - Lectures Only - page 648","link":"https://radiopaedia.org/courses/radiopaedia-2020-exclusive/pages/648"},{"id":648,"kind":"Course","title":"2020 Virtual Conference Private Use - page 648","link":"https://radiopaedia.org/courses/2020-virtual-conference-private-use/pages/648"}],"stem":"\u003cp\u003eWhich of the following statements regarding contrast enhanced mammography (CEM)\u0026nbsp;is \u003cstrong\u003eNOT\u003c/strong\u003e true:\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/1557"}],"attemptsPercentages":[{"alternativeId":"7766","percentage":26},{"alternativeId":"7768","percentage":40},{"alternativeId":"7765","percentage":15},{"alternativeId":"7767","percentage":19}],"promptToLogin":false,"questionManager":false,"articleId":"breast-imaging-reporting-and-data-system-bi-rads"}