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Genetic and Rare Diseases Information Center (GARD)

Other Names for this Disease
  • Pinealocytoma
  • Pinealoma
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A pineocytoma is a tumor of the pineal gland, a small organ in the brain that makes melatonin, a hormone which regulates sleep.  Pineocytomas most often occur in adults as a solid mass, though it may appear to have fluid-filled (cystic) spaces on images of the brain.  Pineocytomas are usually slow-growing and do not usually spread to other parts of the body.[1]  Treatment includes surgery to remove the pineocytoma; most of these tumors do not regrow (recur) after surgery.[2]
Last updated: 12/20/2011


  1. Gaillard F, Jones J. Masses of the pineal region: clinical presentation and radiographic features. Postgraduate Medical Journal. 2010; 86:597-607. Accessed 12/13/2011.
  2. Dahiya S, Perry A. Pineal Tumors. Advances in Anatomic Pathology. 2010; 17:419-427. Accessed 12/13/2011.
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