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Ossification of posterior longitudinal ligament causing cervical cord compression
A G Diwan1, A A Kelkar, K K Krishna
1Department of Medicine, Bharati Vidyapeeth's Deemed University Medical College and Hospital, Katraj-Dhankawadi, Pune.
The Journal of the Association of Physicians of India
|October 5, 2001
Summary
Ossification of the posterior longitudinal ligament (OPLL) is a rare cause of spinal cord compression. MRI, particularly T2 weighted images, is crucial for diagnosing OPLL and associated cord damage.
Area of Science:
- Neurology
- Radiology
- Orthopedics
Background:
- Ossification of the posterior longitudinal ligament (OPLL) is a degenerative condition affecting the spine.
- While more prevalent in East Asian populations, OPLL can occur globally as a cause of spinal cord compression.
- Compressive myelopathy resulting from OPLL can lead to significant neurological deficits.
Observation:
- This report details a case of cervical spinal cord compression in a female patient.
- Magnetic Resonance Imaging (MRI) revealed ossification of the posterior longitudinal ligament (OPLL) as the causative factor.
- T2 weighted MRI sequences were instrumental in visualizing the extent of spinal cord compression and intramedullary signal changes.
Findings:
- T2 weighted MRI is highly effective for evaluating spinal cord compression secondary to OPLL.
- Abnormal signal intensity within the spinal cord, indicative of myelopathy, is clearly depicted on T2 weighted images.
- The findings underscore the diagnostic utility of MRI in identifying OPLL.
Implications:
- OPLL should be considered in the differential diagnosis of cervical radiculomyelopathy, especially in cases with unclear etiology.
- Accurate diagnosis via MRI is essential for appropriate management and treatment planning for patients with OPLL.
- Increased awareness of OPLL in non-Japanese populations may improve diagnostic timelines and patient outcomes.