Overview
Thoracic and lumbosacral neuritis refers to inflammation of nerves in the thoracic and lower back regions, often causing pain, numbness, and weakness that can radiate along the affected nerve pathways. 1 does not directly address neuritis but discusses imaging modalities relevant for diagnosing underlying pathologies that may cause neuritis symptoms.Diagnosis
Clinical Presentation: Pain, paresthesia, and motor deficits along the affected nerve distribution.
Imaging: MRI is valuable for detailed evaluation, especially in cases where radiation exposure is a concern or contrast agents are contraindicated. 1 highlights MRI's role in imaging thoracoabdominal pathology, which can indirectly aid in diagnosing neuritis by ruling out other conditions.
Electromyography (EMG) and Nerve Conduction Studies (NCS): Useful for confirming nerve involvement and assessing severity. (Not explicitly covered in 1)Management
Conservative Management: Rest, physical therapy, and nonsteroidal anti-inflammatory drugs (NSAIDs) for pain relief and inflammation reduction.
Epidural Steroid Injections: May be considered for localized pain relief in refractory cases. (Not explicitly covered in 1)
Pharmacotherapy: Muscle relaxants and neuropathic pain medications (e.g., gabapentin, pregabalin) as needed. (Not explicitly covered in 1)Special Populations
Pregnancy: MRI without gadolinium is generally considered safe but should be used cautiously; alternative imaging like ultrasound may be preferred initially. (Not explicitly covered in 1)
Elderly: Conservative approaches are often favored due to increased risk of complications from invasive procedures. (Not explicitly covered in 1)Key Recommendations
Utilize MRI for detailed imaging in thoracic and lumbosacral neuritis when radiation exposure is a concern or contrast agents are contraindicated. (Evidence: Moderate) 1
Consider EMG/NCS to confirm nerve involvement and assess severity, though MRI remains crucial for initial diagnosis. (Evidence: Expert opinion)
Prioritize conservative management including physical therapy and NSAIDs; consider epidural steroid injections for refractory cases. (Evidence: Expert opinion)References
1 Ludwig DR, Raptis CA, Broncano J, Bhalla S, Luna A. Role of MRI in the Evaluation of Thoracoabdominal Emergencies. Topics in magnetic resonance imaging : TMRI 2020. link