Question 1009
{"accessible":false,"alternatives":[{"id":5054,"text":"are far more common in males"},{"id":5055,"text":"are usually encountered in the elderly"},{"id":5056,"text":"are usually treated with aggressive surgical debulking"},{"id":5057,"text":"usually have lower ADC values than pineoblastomas"},{"id":5058,"text":"usually push pineal calcification to their periphery"}],"archived":false,"correctAlternativeId":5054,"explanation":"\u003cp\u003eWhen in the pineal region there is a 10:1 M:F ratio.\u0026nbsp;\u003c/p\u003e\u003cp\u003eThey are usually seen in teenagers and young adults and are usually treated with radiotherapy (especially germinoma). Although they have variable ADC values they are usually not as cellular as pineoblastomas and thus have higher ADC values.\u0026nbsp;\u003c/p\u003e\u003cp\u003eThey are known for 'engulfing' pineal calcifications rather than 'blasting' them apart as do pineoblastomas and other pineal parenchymal tumors.\u0026nbsp;\u0026nbsp;\u003c/p\u003e","id":1009,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/1009","nextQuestionPath":null,"relatedArticles":[{"id":39248,"title":"Pineal germinoma","link":"/articles/pineal-germinoma?lang=us"}],"alsoUsedIn":[{"id":1178,"kind":"Course","title":"Adult Neuroradiology Review Course - page 1178","link":"https://radiopaedia.org/courses/adult-neuroradiology-review-course/pages/1178"},{"id":1178,"kind":"Course","title":"Adult Neuroradiology Review Course - page 1178","link":"https://radiopaedia.org/courses/adult-brain-mri-review-course-2015-online-video/pages/1178"},{"id":204,"kind":"Course","title":"Cases in Radiology: Brain - page 204","link":"https://radiopaedia.org/courses/cases-in-radiology-brain/pages/204"}],"stem":"\u003cp\u003ePineal germ cell tumors...\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/1009"}],"attemptsPercentages":[{"alternativeId":"5054","percentage":78},{"alternativeId":"5056","percentage":3},{"alternativeId":"5055","percentage":2},{"alternativeId":"5058","percentage":9},{"alternativeId":"5057","percentage":8}],"promptToLogin":false,"questionManager":false,"articleId":"intracranial-germ-cell-tumors"}