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The interventricular extension of choroid plexus papillomas
AJNR. American Journal of Neuroradiology
|May 1, 1987
Summary
Choroid plexus papilloma can extend through the foramen of Monro, a key diagnostic sign. This extension through ventricular outlets is unique to this tumor type, aiding in diagnosis.
Area of Science:
- Neurology
- Neurosurgery
- Radiology
Background:
- Choroid plexus papillomas are intraventricular tumors.
- Understanding tumor extension patterns is crucial for diagnosis and surgical planning.
Observation:
- Four cases of choroid plexus papilloma extending through the foramen of Monro were observed.
- Patients underwent contrast-enhanced CT and neurosonography.
Findings:
- Extension of an intraventricular mass through the foramen of Monro is a distinctive feature.
- This specific pattern of extension is not commonly seen with other intraventricular tumors.
Implications:
- Radiographic demonstration of extension through ventricular outlets can serve as an ancillary diagnostic sign for choroid plexus papilloma.
- This finding may improve diagnostic accuracy and guide neurosurgical interventions.