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Spinal Intradural Extramedullary Dermoid Cyst
Farnaz Khalighinejad1, Mahsa Hajizadeh2, Ali Mokhtari3
1University of Massachusetts Medical School, Worcester, Massachusetts, USA.
Insights
Spinal dermoid cysts, though rare, can cause low back pain. Surgical removal of these congenital tumors offers successful treatment and symptom relief.
Area of Science:
- Neurology
- Oncology
- Pediatrics
Background:
- Dermoid cysts are benign congenital tumors originating from all three germ layers.
- Spinal intradural extramedullary teratomas are rare, predominantly affecting children under five.
- These tumors can present as a significant cause of spinal lesions.
Observation:
- A 12-year-old female presented with persistent low back pain and right-sided radicular symptoms.
- MRI revealed an intradural extramedullary mass at the L4-L5 spinal level.
- The patient underwent successful surgical excision of the cyst.
Findings:
- Histopathology confirmed a ruptured, mature, extramedullary teratoma.
- Post-operative recovery showed significant clinical improvement.
- The diagnosis of dermoid cyst was established.
Implications:
- Dermoid cysts should be considered in the differential diagnosis of spinal lesions presenting with low back pain.
- Early diagnosis and surgical intervention are crucial for favorable outcomes.
- This case highlights the successful management of a rare spinal tumor in a pediatric patient.
Background:
Dermoid cysts are benign congenital tumors that develop early in life. These tumors are classified by the presence of all 3 germ layers. Spinal intradural extramedullary teratoma is a rare disease, which is more common in children under 5 years of age than in adults.
Case Description:
A 12-year-old girl with a dermoid cyst at the lower lumbar level presented with 2-month low back pain and intermittent lower extremity radicular symptoms on the right side. Magnetic resonance imaging scan of the spine revealed an intradural extramedullary mass lesion at L4-5. Surgical excision of the cyst was successfully performed. Surgical and histopathologic findings confirmed extramedullary ruptured matured teratoma. Postoperatively, the patient had remarkable clinical improvement.
Conclusions:
Although dermoid cysts are uncommon, they should be considered in the differential diagnosis of spinal lesions in patients with lower back pain. It can be successfully treated with surgical excision.
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