- Irritation of Lat. Cut. N. of Thigh (L2,L3, purely sensory) as it passes through inguinal ligament
- Radicular type pain and or paraesthesia over the anterior and lateral thigh (worse on standing)
- Risks include middle age and diabetes.
- Dx clinical (DDx femoral neuropathy, lumbar plexopathy, lumbosacral disc/lesion)
- Trigger point 1cm along inguinal lig. from ASIS.
- No motor signs
- Rarely, conduction studies [requested by GP] are required to confirm.
Treatment / prognosis
- 70% cases resolve spontaneously in 1 year
- Injections of steroid (± local anaesthetic) effective in 80%
- Surgery (decompression or neurectomy) effective in 90%
- 97% of patients with iatrogenic meraglia paraesthetica (3 studies) recovered completely
Khalil N, Nicotra A, Rakowicz W. Treatment for meralgia paraesthetica. Cochrane Database of Systematic Reviews 2008, Issue 3. Art. No.: CD004159. DOI: 10.1002/14651858.CD004159.pub2
Content by Dr Íomhar O' Sullivan 29/03/2012. Last review Dr ÍOS