The lateral femoral cutaneous nerve (LFCN) has no motor function and it’s a sensory nerve located in the thigh. The nerve branches off the spinal cord in between two vertebrae (L2 & L3). It is susceptible to entrapment along its course, usually at its exit from the pelvis under the inguinal ligament. The nerve is particularly susceptible to damage during hip surgery and hip replacement operations. Most commonly, the nerve emerges from beneath the lateral aspect of the psoas and descends obliquely along the anterior surface of the iliacus muscle toward the ASIS. It is also seen in diabetic and obese patients or in those wearing tight pants, belts, or girdles. Typically LFCN is described as an entrapment in or under the inguinal ligament or anterior hip as a result of an enlarged belly (i.e. Any kind of blunt trauma to the lower spine, pelvic area, hips or thigh could cause damage to the lateral femoral cutaneous nerve. The nerve could get severed and it can be compressed during and after a surgical procedure. high chance of developing meralgia paresthetica, The Lesser Petrosal Nerve: Everything You Need to Know, What is the Deep Peroneal Nerve and the Injuries Associated With It, Everything You Need to Know About the Mandibular Nerve, At Nerve’s Edge: An Introduction to Peripheral Neuropathy. Treatment is generally conservative and may require minor changes in lifestyle, behavior, or diet. It provides innervation to the muscles of the lower leg and foot. The nerve is sometimes damaged when the surgeon makes a skin incision to perform a surgical procedure. The anterior supine approach for total hip arthroplasty (THA) offers the advantage of operating through a true intravascular and intranervous plane, but it places the lateral femoral cutaneous nerve at risk. The nerve follows a pathway from the cavernous sinus (a…, The oculomotor nerve is the third of 12 pairs of cranial nerves in the brain. Your email address will not be published. 10.1).Before it reaches the level of ASIS, it crosses under the deep circumflex artery. Lateral Femoral Cutaneous Nerve. 10 It is often the result of iatrogenic injury to the LFCN, which can occur during surgery. The lower part of the seat belt passes over the abdomen and pelvic area. The lateral femoral cutaneous nerve innervates the skin of the outer thigh. In rare cases nerve decompression surgery will be necessary to treat injuries to the lateral femoral cutaneous nerve. Lateral Femoral Cutaneous Nerve. Penetrating trauma such as a laceration of the thigh puts the lateral femoral cutaneous nerve at risk. Tight clothing, trauma, surgery, obesity and pregnancy are some of the causes of lateral femoral cutaneous nerve injuries. Benign and malignant tumors grow at varying rates and put pressure on nerves in the affected area. It is the only cranial nerve that emerges dorsally from the brain (near the back)…, The tibial nerve branches off from the sciatic nerve. The Lateral Femoral Cutaneous Nerve: Description of the Sensory Territory and a Novel Ultrasound-Guided Nerve Block Technique. The pressure causes nerve entrapment which leads to complications such as numbness and tingling.Losing excess body weight reduces the pressure on the nerve which will ease the symptoms and prevent further nerve damage. There are several physical exam findings and clinical tests that are commonly used to diagnose MP. Damage to the lateral femoral cutaneous nerve is occasionally  treated with pulsed radiofrequency stimulation (PRF). The damage is not usually serious and no long term problems are experienced by patients. This nerve is responsible for eyeball and eyelid movement. The lateral femoral cutaneous nerve is a branch of the lumbar plexus, exiting the spinal cord between the L2 and L3 vertebrae. 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