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Subcutaneous Trigeminal Nerve Field Stimulation for Refractory Facial Pain
Published on: May 10, 2017
Recurrent Trigeminal Neuralgia: A Case Series and a Review of the Literature
Harsha Vardhan1, Sushmitha S2, Nagammai N1
1Oral Medicine and Radiology, Meenakshi Ammal Dental College, Chennai, IND.
Abstract:
Trigeminal neuralgia is a peripheral neuropathy characterized by intermittent episodes of severe facial pain originating in the sensory nucleus of the trigeminal nerve. The most commonly involved area is the mandibular division with a higher prevalence on the right side. Advances in the field of MRI have played an important role in its diagnosis, especially in presurgical assessment, to probe into any secondary causes of nerve compression and/or neurovascular conflict. The condition is primarily managed medically, although many patients may require surgical or radiotherapeutic intervention. A recurrence rate ranging from 6 to 41% has been postulated. Reasons for recurrence are mainly attributed to improper operative techniques, dislocation of the Teflon implant, or granuloma formation. MRI serves as a powerful tool in the segmental evaluation of the trigeminal nerve. A proper diagnosis with a structured treatment protocol is critical for managing such cases of trigeminal neuralgia. In this report, we present a series of two cases of recurrent trigeminal neuralgia.
Insights
Trigeminal neuralgia, a facial pain neuropathy, often recurs after treatment. Recurrence is linked to surgical factors, highlighting the need for precise diagnosis and management.
Area of Science:
- Neurology
- Neurosurgery
- Radiology
Background:
- Trigeminal neuralgia (TN) is a peripheral neuropathy causing severe facial pain, often impacting the mandibular nerve division.
- Diagnosis involves MRI to identify nerve compression or neurovascular conflict, crucial for presurgical assessment.
Observation:
- Recurrence rates for TN range from 6% to 41%, with common causes including surgical technique, implant issues, or granuloma formation.
- MRI is vital for evaluating the trigeminal nerve segmentally, aiding in diagnosis and management planning.
Findings:
- This report details two cases of recurrent trigeminal neuralgia, emphasizing the challenges in managing this condition.
- The cases underscore the importance of accurate diagnosis and structured treatment protocols for recurrent TN.
Implications:
- Effective management of recurrent trigeminal neuralgia requires a comprehensive approach, integrating advanced imaging and tailored interventions.
- Understanding recurrence factors is key to improving long-term patient outcomes and treatment strategies for trigeminal neuralgia.

