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. 2012 Jan;25(1):78-9.
doi: 10.1080/08998280.2012.11928791.

Papillary tumor of the pineal region

Clayton Vandergriff  1 , Michael Opatowsky, Brian O'Rourke, Kennith Layton
Affiliations

Papillary tumor of the pineal region

Clayton Vandergriff et al. Proc (Bayl Univ Med Cent). 2012 Jan.

Abstract

Presented is a patient with papillary tumor of the pineal region (PTPR), an uncommon and recently recognized neoplasm. As its name implies, PTPR does not arise from the pineal gland itself. The cell of origin is thought to be the specialized ependymocytes of the subcommissural organ. Primary tumors of the pineal region include pineal parenchymal neoplasms, germ cell neoplasms, and tumors arising from adjacent structures, including meningiomas, astrocytomas, and ependymomas. Like other masses in this location, PTPR often leads to obstructive hydrocephalus. Due to the relative paucity of reported cases of PTPR, its natural history is unknown.

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Figures

Figure 1
Figure 1
CT of the brain showing a small mass in the region of the pineal gland (arrow) with enlargement of the third and lateral ventricles (arrowhead).
Figure 2
Figure 2
Precontrast sagittal T1-weighted MRI showing a mass in the region of the pineal gland, with a thin rim of intrinsic signal hyperintensity (arrow).
Figure 3
Figure 3
Postcontrast (a) sagittal and (b) axial T1-weighted images showing an avidly enhancing mass (arrows).
See this image and copyright information in PMC

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