Pineal yolk sac tumor

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]Associate Editor(s)-in-Chief: Sujit Routray, M.D. [2]

Synonyms and keywords: Pineal yolk sac tumors; Pineal yolk sac tumour; Pineal yolk sac tumours; Pineal endodermal sinus tumor; Pineal endodermal sinus tumors; Pineal endodermal sinus tumour; Pineal endodermal sinus tumours; Pineal yolk sac carcinoma; Pineal yolk sac carcinomas; Pineal gland tumor; Germ cell tumor; Brain tumor

Overview

  • Pineal yolk sac tumor is a rare type of extra gonadal yolk sac tumor. They make up a small fraction of all intracranial germ cell tumors and an even small fraction of pineal masses overall.[1]
  • Pure pineal yolk sac tumors secrete AFP.
  • On microscopic histopathological analysis, pineal yolk sac tumor is characterized by poorly differentiated endothelium-like, cuboidal, or columnar cells.
  • Pineal yolk sac tumor may be associated with Down syndrome.[2]

References

  1. Pineal yolk sac tumour. Frank Gaillard et al. Radiopaedia 2015. http://radiopaedia.org/articles/pineal-yolk-sac-tumour. Accessed on December 8, 2015
  2. Associations of pineal yolk sac tumor. Frank Gaillard et al. Radiopaedia 2015. http://radiopaedia.org/articles/pineal-yolk-sac-tumour. Accessed on December 8, 2015


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