Question 1569
{"accessible":true,"alternatives":[{"id":7816,"text":"choriocarcinoma"},{"id":7817,"text":"epidermoid cyst"},{"id":7818,"text":"mixed germ cell tumour"},{"id":7819,"text":"seminoma"},{"id":7820,"text":"Sertoli cell tumour"}],"archived":false,"correctAlternativeId":7817,"explanation":"\u003cp\u003eThis is a\u0026nbsp;non-vascular, well-marginated intratesticular mass, with\u0026nbsp;a characteristic lamellated \"onion skin\" or \"whorled\" appearance with alternating hyperechoic and hypoechoic rings, and is typical of a testicular epidermoid cyst.\u0026nbsp;\u003c/p\u003e\u003cp\u003e\u003c/p\u003e","id":1569,"imageUrl":"https://prod-images-static.radiopaedia.org/images/31106473/f165ebce3095c00754be6faa3e1d0c_big_gallery.jpeg","imageAttribution":{"kind":"case","rID":54185},"imageAttributionCaseInfo":{"title":"Intratesticular epidermoid cyst","contributor_name":"Callum Smith","contributor_param":"smitcall","case_rid":54185,"case_param":"intratesticular-epidermoid-cyst"},"firstQuestionPath":"/questions/1569","nextQuestionPath":null,"relatedArticles":[{"id":8391,"title":"Testicular epidermoid cyst","link":"/articles/testicular-epidermoid-cyst?lang=gb"},{"id":4696,"title":"Unilateral testicular lesions","link":"/articles/unilateral-testicular-lesions?lang=gb"},{"id":9885,"title":"Testicular seminoma","link":"/articles/testicular-seminoma-1?lang=gb"}],"alsoUsedIn":[],"stem":"\u003cp\u003eThese appearances are \u003cstrong\u003eMOST\u003c/strong\u003e typical of:\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/1569"}],"attemptsPercentages":[{"alternativeId":"7820","percentage":4},{"alternativeId":"7816","percentage":3},{"alternativeId":"7818","percentage":4},{"alternativeId":"7817","percentage":77},{"alternativeId":"7819","percentage":11}],"promptToLogin":false,"questionManager":false,"articleId":"testicular-choriocarcinoma"}