Meralgia paresthetica: Difference between revisions

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== Definition ==
== Background ==


===Definition===
* Lateral femoral cutaneous neuropathy


*Lateral femoral cutaneous neuropathy
== Etiology ==


===Etiology===
* Impingement of nerve by inguinal ligament
* Complication of surgery


*Impingement of nerve by inguinal ligament
== Risk factors ==
*Complication of surgery


===Risk factors===
* Overweight


*Overweight
== Clinical Manifestations ==


==Clinical Manifestations==
* Isolated numbness and tingling over unilateral anterolateral thigh
* No change in power or reflexes


*Isolated numbness and tingling over unilateral anterolateral thigh
== Investigations ==
*No change in power or reflexes


==Investigations==
* EMG: rule out other disorders (should be normal in meralgia paresthetica)
* Ultrasound groin: rule out compressive lesion


*EMG: rule out other disorders (should be normal in meralgia paresthetica)
== Management ==
*Ultrasound of the groin: rule out compressive lesion


==Management==
* Neuropathic pain medications

** Amitriptyline
*Neuropathic pain medications
** Gabapentin
**[[Amitriptyline]]
* Avoidance of trigger (cycling, tight belts, weight agin/loss, etc.
**[[Gabapentin]]
* Occasionally need injections over nerve
*Avoidance of trigger (cycling, tight belts, weight agin/loss, etc.
* If all else fails, nerve transection
*Occasionally need injections over nerve
*If all else fails, nerve transection


[[Category:Neurology]]
[[Category:Neurology]]

Latest revision as of 12:25, 2 August 2020

Background

Definition

  • Lateral femoral cutaneous neuropathy

Etiology

  • Impingement of nerve by inguinal ligament
  • Complication of surgery

Risk factors

  • Overweight

Clinical Manifestations

  • Isolated numbness and tingling over unilateral anterolateral thigh
  • No change in power or reflexes

Investigations

  • EMG: rule out other disorders (should be normal in meralgia paresthetica)
  • Ultrasound of the groin: rule out compressive lesion

Management

  • Neuropathic pain medications
  • Avoidance of trigger (cycling, tight belts, weight agin/loss, etc.
  • Occasionally need injections over nerve
  • If all else fails, nerve transection