CT of pineal region tumors

Ganti,; Hilal, S. K.; Stein, B. M.; Silver, A J; Mawad, M.; Sane, P

doi:10.2214/ajr.146.3.451

Cited by 59 publications

(17 citation statements)

References 12 publications

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“…34,56 Typically CT scanning demonstrates a relatively homogeneous lesion that is iso-to hyperdense to brain and enhances strongly after contrast administration. 14,24,33,50,51 Peripheral calcification may be evident; focal calcification may actually represent a displaced pineal body. 33 The case we describe (see Case Illustration [ Fig.…”

Section: Imaging Characteristicsmentioning

confidence: 99%

Meningiomas of the velum interpositum: surgical considerations

Lozier¹,

Bruce²

2003

FOC

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Meningiomas of the third ventricle are a rare subtype of pineal region tumor that arise from the posterior portion of the velum interpositum, the double layer of pia mater that forms the roof of the third ventricle. The authors review the literature concerning these meningiomas and present a case in which the lesion was resected via the supracerebellar–infratentorial approach. The relationship of the tumor to the deep venous system and the splenium of the corpus callosum guides the selection of the most advantageous surgical approach. Posterior displacement of the internal cerebral veins demonstrated on preoperative imaging provides a strong rationale for use of the supracerebellar–infratentorial approach.

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Section: Imaging Characteristicsmentioning

confidence: 99%

Meningiomas of the velum interpositum: surgical considerations

Lozier¹,

Bruce²

2003

FOC

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“…The CT imaging characteristics of neurosarcoidosis involving the pineal gland are indistinguishable from those of pineal germinomas, as sarcoids are also isodense with homogenous enhancement on CT [1, 6, 20–22]. On CT imaging pineal germinomas appear isodense or mildly hyperdense with uniform contrast enhancement, typically with no calcifications other than normal pineal calcifications [1, 6, 20, 23].…”

Section: Discussionmentioning

confidence: 99%

Sarcoidosis of the pineal gland: an unusual presentation of neurosarcoidosis

et al. 2008

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Introduction Sarcoidosis is an inflammatory disease characterized by noncaseating granulomas that is rarely found as primary CNS pathology. We report an unusual case of sarcoidosis involving the pineal gland with radiographic, histopathology, and clinical data. Case report A 45-year-old man without evidence of systemic sarcoidosis presented with a history of gradual onset of blurry vision and diplopia that progressed over 3 months. MR imaging demonstrated an enhancing mass in the pineal region. A suboccipital craniotomy was performed with resection of the mass through a supra-cerebellar infratentorial approach. Histopathologic analysis did not reveal a pineoblastoma but instead revealed noncaseating granulomas within the pineal gland. Extensive hematologic laboratory examinations, cerebral spinal fluid studies, and cultures for infection were all negative. This mass lesion was diagnosed as solitary neurosarcoidosis of the pineal gland, without dissemination. The patient was treated with steroids and at 4-year follow-up is asymptomatic with an unremarkable MRI scan. Conclusion This is an unusual case of pineal sarcoidosis mimicking a tumor with associated MRI, CT and histopathologic findings reported together. Although rare, sarcoidosis of the pineal gland should not be excluded from a comprehensive differential diagnosis of an enhancing pineal region mass.

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“…1 Most tumors arising in this location are one of three types: (i) malignant germ cell tumors, (ii) pineal cell tumors, or (iii) glial tumors. While these three tumor types account for most pineal region tumors, meningiomas and metastases are not infrequently reported in the differential diagnosis of pineal region tumors.…”

Section: Introductionmentioning

confidence: 99%

“…While these three tumor types account for most pineal region tumors, meningiomas and metastases are not infrequently reported in the differential diagnosis of pineal region tumors. [1][2][3] We report a patient with a tumor not previously known to be in the differential diagnosis for pineal region tumors -a myeloid sarcoma of the pineal region with extension into the third ventricle.…”

Section: Introductionmentioning

confidence: 99%