Question 229
{"accessible":false,"alternatives":[{"id":1101,"text":"I"},{"id":1102,"text":"II"},{"id":1103,"text":"III"},{"id":1104,"text":"IV"},{"id":1105,"text":"V"}],"archived":false,"correctAlternativeId":1104,"explanation":"\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003egrade I:\u003c/strong\u003e\u0026nbsp;contusion or non-enlarging\u0026nbsp;\u003ca href=\"https://radiopaedia.org/articles/subcapsular-perirenal-haematoma\"\u003esubcapsular perirenal hematoma\u003c/a\u003e, and no laceration\u003c/li\u003e\n\u003cli\u003e\n\u003cstrong\u003egrade II:\u003c/strong\u003e\u0026nbsp;superficial laceration \u0026lt;1 cm depth and does not involve the collecting system (no evidence of urine extravasation), non-expanding perirenal hematoma confined to retroperitoneum\u003c/li\u003e\n\u003cli\u003e\n\u003cstrong\u003egrade III:\u003c/strong\u003e\u0026nbsp;laceration \u0026gt;1 cm without extension into the renal pelvis or collecting system (no evidence of urine extravasation)\u003c/li\u003e\n\u003cli\u003e\n\u003cstrong\u003egrade IV\u003c/strong\u003e\u003cul\u003e\n\u003cli\u003elaceration extends to renal pelvis or urinary extravasation\u003c/li\u003e\n\u003cli\u003evascular: injury to main renal artery or vein with contained hemorrhage\u003c/li\u003e\n\u003cli\u003esegmental infarctions without associated lacerations\u003c/li\u003e\n\u003cli\u003eexpanding subcapsular hematomas compressing the kidney\u003c/li\u003e\n\u003c/ul\u003e\n\u003c/li\u003e\n\u003cli\u003e\n\u003cstrong\u003egrade V\u003c/strong\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https://radiopaedia.org/articles/missing?article%5Btitle%5D=shattered-kidney\"\u003eshattered kidney\u003c/a\u003e\u003c/li\u003e\n\u003cli\u003eavulsion of renal hilum:\u0026nbsp;\u003ca href=\"https://radiopaedia.org/articles/renal-vascular-pedicle-injury-2\"\u003edevascularisation of a kidney due to hilar injury\u003c/a\u003e\n\u003c/li\u003e\n\u003cli\u003eureteropelvic avulsions\u003c/li\u003e\n\u003cli\u003ecomplete laceration or thrombus of the main renal artery or vein\u003c/li\u003e\n\u003c/ul\u003e\n\u003c/li\u003e\n\u003c/ul\u003e\u003cp\u003eNB advance one grade for bilateral injuries up to grade III.\u003c/p\u003e","id":229,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/1606","nextQuestionPath":"/articles/aast-kidney-injury-scale/questions/91","relatedArticles":[{"id":24681,"title":"Renal trauma","link":"/articles/renal-trauma-1?lang=us"}],"alsoUsedIn":[],"stem":"\u003cp\u003eIn renal trauma, any injury to the the collecting system causing extravasation of urine\u0026nbsp;constitutes at least what American Association for the Surgery in Trauma (AAST) grade?\u0026nbsp;\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/229"}],"attemptsPercentages":[{"alternativeId":"1104","percentage":83},{"alternativeId":"1105","percentage":4},{"alternativeId":"1102","percentage":2},{"alternativeId":"1101","percentage":1},{"alternativeId":"1103","percentage":10}],"promptToLogin":false,"questionManager":false,"articleId":"aast-kidney-injury-scale"}