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MR appearance of intracanalicular eighth nerve lipoma
T I Cohen1, S K Powers, D W Williams
1Division of Neurosurgery, University of North Carolina, Chapel Hill.
AJNR. American Journal of Neuroradiology
|July 1, 1992
Abstract:
The authors present the MR appearance of an intracanalicular eighth nerve lipoma in a 30-year-old woman, describe the clinical manifestations, and discuss the possible etiology; biopsy findings were conclusive. Precontrast T1-weighted images should be obtained.
Insights
This study details a rare intracanalicular eighth nerve lipoma, highlighting its MRI appearance and clinical signs. Biopsy confirmed the diagnosis, emphasizing the need for precontrast T1-weighted imaging in diagnosis.
Area of Science:
- Neuroimaging
- Neurosurgery
- Pathology
Background:
- Intracanalicular eighth nerve lipomas are rare tumors.
- Accurate diagnosis relies on characteristic imaging findings and histopathology.
Observation:
- A 30-year-old woman presented with symptoms attributed to an intracanalicular eighth nerve lipoma.
- Magnetic resonance (MR) imaging revealed the characteristic appearance of the tumor.
- Precontrast T1-weighted sequences are crucial for initial evaluation.
Findings:
- The MR imaging features of the intracanalicular eighth nerve lipoma were presented.
- Clinical manifestations associated with the tumor were described.
- Biopsy findings provided conclusive histopathological diagnosis.
Implications:
- This case underscores the importance of recognizing the MR appearance of eighth nerve lipomas.
- Understanding the clinical presentation aids in timely diagnosis and management.
- The study emphasizes the diagnostic utility of precontrast T1-weighted MR sequences for this rare condition.