Advanced magnetic resonance imaging with histopathological correlation in papillary tumor of pineal region: Report of a case and review of literature

V. Vaghela, N. Radhakrishnan, V.V. Radhakrishnan, G. Menon, C. Kesavadas, B. Thomas

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

Papillary tumors of the pineal region are recently described as rare mass lesions with limited literature available on their natural history and imaging features. Magnetic resonance imaging (MRI) including perfusion, diffusion, and spectroscopic features were described in an 18-year-old girl with papillary tumor of pineal region. A well-defined, T1 hyperintense and contrast-enhancing mass lesion was noted in pineal region with few cystic spaces within. Solid portion of lesion showed minimal diffusion restriction with average apparent diffusion coefficient of 0.812 × 10-3 mm2/s; on MR spectroscopy elevated myo-inositol peak with reduced N-acetylaspartate and elevated choline in the tumor. On perfusion study there was significantly high relative cerebral blood volume (rCBV) (6-9 times) and relative cerebral blood flow (rCBF). Our findings agree with previous descriptions of cystic areas with T1 hyperintense appearance of this tumor but very high level of tumor perfusion, diffusion restriction, and presence of myo-inositol peak are important imaging findings and may correlate with the recent reports of high tumor recurrence in these cases.
Original languageEnglish
Pages (from-to)928-932
Number of pages5
JournalNeurology India
Volume58
Issue number6
DOIs
Publication statusPublished - 2010

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Pinealoma
Magnetic Resonance Imaging
Inositol
Neoplasms
Cerebrovascular Circulation
Perfusion
Magnetic Resonance Angiography
Choline
Natural History
Magnetic Resonance Spectroscopy
Recurrence

Cite this

Vaghela, V. ; Radhakrishnan, N. ; Radhakrishnan, V.V. ; Menon, G. ; Kesavadas, C. ; Thomas, B. / Advanced magnetic resonance imaging with histopathological correlation in papillary tumor of pineal region: Report of a case and review of literature. In: Neurology India. 2010 ; Vol. 58, No. 6. pp. 928-932.
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Advanced magnetic resonance imaging with histopathological correlation in papillary tumor of pineal region: Report of a case and review of literature. / Vaghela, V.; Radhakrishnan, N.; Radhakrishnan, V.V.; Menon, G.; Kesavadas, C.; Thomas, B.

In: Neurology India, Vol. 58, No. 6, 2010, p. 928-932.

Research output: Contribution to journalArticle

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AB - Papillary tumors of the pineal region are recently described as rare mass lesions with limited literature available on their natural history and imaging features. Magnetic resonance imaging (MRI) including perfusion, diffusion, and spectroscopic features were described in an 18-year-old girl with papillary tumor of pineal region. A well-defined, T1 hyperintense and contrast-enhancing mass lesion was noted in pineal region with few cystic spaces within. Solid portion of lesion showed minimal diffusion restriction with average apparent diffusion coefficient of 0.812 × 10-3 mm2/s; on MR spectroscopy elevated myo-inositol peak with reduced N-acetylaspartate and elevated choline in the tumor. On perfusion study there was significantly high relative cerebral blood volume (rCBV) (6-9 times) and relative cerebral blood flow (rCBF). Our findings agree with previous descriptions of cystic areas with T1 hyperintense appearance of this tumor but very high level of tumor perfusion, diffusion restriction, and presence of myo-inositol peak are important imaging findings and may correlate with the recent reports of high tumor recurrence in these cases.

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