Pediatric choroid plexus neoplasms: MR, CT, and pathologic correlation

Terry L Coates, D. B. Hinshaw, N. Peckman, J. R. Thompson, A. N. Hasso, B. A. Holshouser, D. S. Knierim

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Abstract

Choroid plexus papillomas are rare, constituting approximately 0.5% of all intracranial neoplasms. Four benign choroid plexus papillomas and one choroid plexus carcinoma were retrospectively reviewed in patients aged 4-20 months who had been examined with magnetic resonance (MR) imaging with a field strength of 0.5 T or 1.0 T and with computed tomography (CT) before and after the administration of contrast material. In general, the tumors were of intermediate signal intensity on T1-weighted images and of either intermediate or increased signal intensity (T2 lengthening) with T2 weighting. All demonstrated variable areas of internal signal void interpreted as signifying regional blood flow, calcification, or old hemorrhage. CT findings included relatively uniform contrast enhancement. Microscopic pathologic changes of the benign lesions mimicked the appearance of normal choroid plexus and confirmed the highly vascular nature of these tumors. MR imaging, with its high-resolution multiplanar techniques, offers direct visualization of these lesions in relation to normal anatomy and better discrimination and confirmation of their intraventricular location, facilitating surgery and postoperative follow-up.

Original languageEnglish (US)
Pages (from-to)81-88
Number of pages8
JournalRadiology
Volume173
Issue number1
StatePublished - 1989
Externally publishedYes

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Choroid Plexus Neoplasms
Choroid Plexus Papilloma
Magnetic Resonance Spectroscopy
Tomography
Pediatrics
Magnetic Resonance Imaging
Choroid Plexus
Regional Blood Flow
Brain Neoplasms
Contrast Media
Blood Vessels
Neoplasms
Anatomy
Hemorrhage

ASJC Scopus subject areas

  • Radiological and Ultrasound Technology

Cite this

Coates, T. L., Hinshaw, D. B., Peckman, N., Thompson, J. R., Hasso, A. N., Holshouser, B. A., & Knierim, D. S. (1989). Pediatric choroid plexus neoplasms: MR, CT, and pathologic correlation. Radiology, 173(1), 81-88.

Pediatric choroid plexus neoplasms : MR, CT, and pathologic correlation. / Coates, Terry L; Hinshaw, D. B.; Peckman, N.; Thompson, J. R.; Hasso, A. N.; Holshouser, B. A.; Knierim, D. S.

In: Radiology, Vol. 173, No. 1, 1989, p. 81-88.

Research output: Contribution to journalArticle

Coates, TL, Hinshaw, DB, Peckman, N, Thompson, JR, Hasso, AN, Holshouser, BA & Knierim, DS 1989, 'Pediatric choroid plexus neoplasms: MR, CT, and pathologic correlation', Radiology, vol. 173, no. 1, pp. 81-88.
Coates TL, Hinshaw DB, Peckman N, Thompson JR, Hasso AN, Holshouser BA et al. Pediatric choroid plexus neoplasms: MR, CT, and pathologic correlation. Radiology. 1989;173(1):81-88.
Coates, Terry L ; Hinshaw, D. B. ; Peckman, N. ; Thompson, J. R. ; Hasso, A. N. ; Holshouser, B. A. ; Knierim, D. S. / Pediatric choroid plexus neoplasms : MR, CT, and pathologic correlation. In: Radiology. 1989 ; Vol. 173, No. 1. pp. 81-88.
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AB - Choroid plexus papillomas are rare, constituting approximately 0.5% of all intracranial neoplasms. Four benign choroid plexus papillomas and one choroid plexus carcinoma were retrospectively reviewed in patients aged 4-20 months who had been examined with magnetic resonance (MR) imaging with a field strength of 0.5 T or 1.0 T and with computed tomography (CT) before and after the administration of contrast material. In general, the tumors were of intermediate signal intensity on T1-weighted images and of either intermediate or increased signal intensity (T2 lengthening) with T2 weighting. All demonstrated variable areas of internal signal void interpreted as signifying regional blood flow, calcification, or old hemorrhage. CT findings included relatively uniform contrast enhancement. Microscopic pathologic changes of the benign lesions mimicked the appearance of normal choroid plexus and confirmed the highly vascular nature of these tumors. MR imaging, with its high-resolution multiplanar techniques, offers direct visualization of these lesions in relation to normal anatomy and better discrimination and confirmation of their intraventricular location, facilitating surgery and postoperative follow-up.

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