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Meralgia paresthetica or meralgia paraesthetica is pain or abnormal sensations in the outer thigh not caused by injury to the thigh, but by injury to a nerve which provides sensation to the lateral thigh. Meralgia paresthetica is a specific instance of nerve entrapment. [5] The nerve involved is the lateral femoral cutaneous nerve (LFCN).
In the thigh, the nerve lies in a groove between iliacus muscle and psoas major muscle, outside the femoral sheath, and lateral to the femoral artery. After a short course of about 4 cm in the thigh, the nerve is divided into anterior and posterior divisions, separated by lateral femoral circumflex artery. The branches are shown below: [1]
Deep gluteal syndrome; Deep gluteal space anatomy: Symptoms: Pain in the hip, buttocks, or thigh. Often pain when sitting or with certain hip movements. Often unilateral radiating pain. [1] Causes: Most common are (1) fibrotic adhesions tethering the sciatic nerve and (2) piriformis syndrome. [2] Diagnostic method: First ruling out lumbar ...
The posterior cutaneous nerve of the thigh provides sensory innervation to most of [2] the posterior surface of the thigh (upper leg), [2] [1] and the superior [1] part of the posterior surface of the leg (lower leg), [2] [1] as well as (the inferior part of) the gluteal region (via inferior cluneal nerves, derived from anterior rami of S1-S2 ...
Nerve compression syndrome, or compression neuropathy, or nerve entrapment syndrome, is a medical condition caused by chronic, direct pressure on a peripheral nerve. [1] It is known colloquially as a trapped nerve, though this may also refer to nerve root compression (by a herniated disc, for example).
Sciatica is pain going down the leg from the lower back. [1] This pain may go down the back, outside, or front of the leg. [3] Onset is often sudden following activities such as heavy lifting, though gradual onset may also occur. [5] The pain is often described as shooting. [1] Typically, symptoms are only on one side of the body. [3]
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In a radiculopathy, the problem occurs at or near the root of the nerve, shortly after its exit from the spinal cord. However, the pain or other symptoms often radiate to the part of the body served by that nerve. For example, a nerve root impingement in the neck can produce pain and weakness in the forearm.