Spinal Dural AVF Two Cases with MRI Follow-up.

Area of Science:

• Neurology
• Neurosurgery
• Radiology

Background:

• Spinal dural arteriovenous fistulas (d-AVF) are treatable vascular malformations.
• Embolization is a key treatment modality for d-AVF.
• Early diagnosis and intervention significantly impact patient prognosis.

Purpose of the Study:

• To present two cases of spinal dural arteriovenous fistula treated with embolization.
• To emphasize the importance of early diagnosis and treatment for spinal d-AVF.
• To highlight the utility of T2-weighted imaging (T2WI) on MRI for post-embolization follow-up.

Main Methods:

• Case presentation of two patients with spinal d-AVF.
• Diagnosis confirmed via MRI (T1WI and T2WI) and angiography.
• Treatment performed using endovascular embolization with NBCA.

Main Results:

• Both patients showed improvement after embolization, with resolution of neurological symptoms.
• Post-embolization MRI with T2WI demonstrated a decrease or disappearance of intramedullary high signal intensity.
• Angiography confirmed successful treatment in one case one year after embolization.

Conclusions:

• Spinal dural arteriovenous fistulas require timely diagnosis and treatment for optimal outcomes.
• Embolization is an effective treatment for spinal d-AVF.
• T2WI on MRI is a valuable tool for monitoring treatment effectiveness and detecting recurrence.