Pineal teratoma

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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 teratomas; Pineal teratoblastoma; Pineal teratoid tumor; Pineal germ cell tumors; Pineal gland tumors; Brain tumor

Overview

  • Pineal teratoma is an uncommon extra-axial intracranial cancer, which can have a bewildering variety of components and thus a wide range of appearances.[1]
  • Pineal teratoma may be classified into three subtypes: mature, immature, and mature with malignant transformation.
  • Mature teratomas are benign, mature, well-differentiated cystic lesions; whereas immature teratomas are poorly differentiated lesions with solid components and malignant transformation.[2]
  • On other occasions, mature teratomas contain elements that undergo malignant transformation (most commonly squamous components).
  • Fat
  • Cystic spaces due to mucous production or other exocrine products
  • Soft-tissue from any part of the body
  • Calcification, including teeth

References

  1. Intracranial teratomas. Dr Alexandra Stanislavsky and Frank Gaillard et al. Radiopaedia 2015. http://radiopaedia.org/articles/intracranial-teratoma. Accessed on December 10, 2015
  2. Teratoma. Dr Jeremy Jones and Frank Gaillard et al. Radiopaedia 2015. http://radiopaedia.org/articles/teratoma. Accessed on December 10, 2015
  3. 3.0 3.1 Pathology of extra-axial intracranial teratoma. Dr Alexandra Stanislavsky and Frank Gaillard et al. Radiopaedia 2015. http://radiopaedia.org/articles/intracranial-teratoma. Accessed on December 10, 2015
  4. Differential diagnosis of extra-axial intracranial teratomas. Dr Alexandra Stanislavsky and Frank Gaillard et al. Radiopaedia 2015. http://radiopaedia.org/articles/intracranial-teratoma. Accessed on December 10, 2015
  5. Clinical presentation of extra-axial intracranial teratoma. Dr Alexandra Stanislavsky and Frank Gaillard et al. Radiopaedia 2015. http://radiopaedia.org/articles/intracranial-teratoma. Accessed on December 10, 2015


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