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Related Experiment Videos

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

T L Coates1, D B Hinshaw, N Peckman

  • 1Department of Radiation Sciences, Loma Linda University Medical Center, CA 92354.

Radiology
|October 1, 1989
PubMed
Summary
This summary is machine-generated.

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Choroid plexus papillomas are rare intracranial tumors. Magnetic resonance (MR) imaging and computed tomography (CT) help visualize these highly vascular tumors, aiding surgical planning and follow-up.

Area of Science:

  • Neuro-oncology
  • Pediatric Radiology

Background:

  • Choroid plexus papillomas (CPPs) are rare intracranial neoplasms, accounting for ~0.5% of brain tumors.
  • This study reviews five cases (4 papillomas, 1 carcinoma) in infants (4-20 months).

Observation:

  • Patients underwent 0.5 T or 1.0 T MR imaging and contrast-enhanced CT scans.
  • Tumors showed intermediate signal intensity on T1-weighted MR images and variable intensity on T2-weighted images.
  • Areas of signal void on MR imaging suggested blood flow, calcification, or hemorrhage; CT revealed uniform contrast enhancement.

Findings:

  • Benign lesions histopathologically mimicked normal choroid plexus, confirming their highly vascular nature.
  • MR imaging demonstrated intraventricular location and relation to normal anatomy.

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  • CT provided information on contrast enhancement patterns.

    • Implications:

    • Multiplanar MR imaging offers superior visualization of CPPs compared to CT.
    • Advanced imaging facilitates surgical planning and postoperative monitoring of these rare pediatric brain tumors.