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MRI of symptomatic sacral perineural cyst
Y Araki1, I Tsukaguchi, T Ishida
1Department of Radiology, Osaka Rosai Hospital, Sakai-shi, Japan.
Radiation Medicine
|November 1, 1992
Summary
Sacral perineural cysts are rare, but MRI can reveal their presence in the sacral spinal canal. Surgical intervention effectively relieved sciatic pain in a symptomatic patient.
Area of Science:
- Neurology
- Radiology
- Neurosurgery
Background:
- Sacral perineural cysts are uncommon lesions.
- Previous reports on their MR imaging findings are limited.
- This study presents novel high-field MRI findings.
Observation:
- A cystic lesion was identified within the sacral spinal canal.
- The lesion exhibited intermediate signal intensity on T1-weighted (T1W) images.
- High signal intensity was observed on T2-weighted (T2*W) images, differing from cerebrospinal fluid (CSF).
Findings:
- The sacral perineural cyst caused anterior sacral erosion and remodeling.
- The patient presented with symptomatic radiculopathy, specifically sciatic pain.
- High-field MRI provided detailed visualization of the cyst and its effects.
Implications:
- This case expands the understanding of sacral perineural cyst imaging.
- MRI is crucial for diagnosing these rare cysts.
- Surgical treatment can significantly alleviate associated sciatic pain.