Common peroneal nerve entrapment

Introduction to common peroneal nerve compression syndrome Common peroneal nerve compression syndrome refers to lesions caused by compression of the common peroneal nerve and its main branches. basic knowledge The proportion of illness: 0.005% Susceptible people: no special people Mode of infection: non-infectious Complications: sacral muscular atrophy

The cause of common peroneal nerve compression

(1) Causes of the disease

1. Trauma is the most common, more common in the humeral head, neck fracture, lateral humeral plateau fracture, foot varus injury, lateral soft tissue injury of the armpit.

2. Chronic injuries are more common in long-term squatting, sitting on the knees, kneeling, varus deformity, etc. These conditions can cause excessive tension in the long bones of the humerus, causing the sacral tissue at the beginning to compress the common nerve.

3. The iatrogenic factors are also common in clinical practice, such as plaster, splint compression and so on.

4. Tumor bones, tumors at the neck, such as giant cell tumor of bone, chondroma, hemangioma, etc.; tendon of the biceps femoris, ganglion cyst at the beginning of the longissimus dorsi.

5. Other unexplained card pressure.

(two) pathogenesis

Since the common peroneal nerve is fixed and does not move around the humeral neck, it is located under the skin, and its deep surface is a tough tibia, so it is most likely to cause compression.

Total sacral nerve compression prevention

1, the disease is usually caused by trauma, iatrogenic injury, tumor compression and other reasons, mainly based on the cause of prevention.

2. High-risk workers, such as construction workers and mining workers, are prone to damage and should protect themselves during work.

Complications of common peroneal nerve compression Complications, tibiofibular atrophy

The disease can directly cause abnormal feelings such as fatigue, numbness, acupuncture and other abnormalities in the tendon of the common peroneal nerve. Due to the long-term loss of neurotrophic muscles, the gastrocnemius muscle can be atrophied. Secondly, the genus of the genus often has two branches of the lateral branch and the medial branch. According to the severity of the injury, the corresponding foot changes can be caused. The lateral branch injury leads to the foot varus, and the medial branch injury can lead to the "hipfoot foot".

Common peroneal nerve compression symptoms common symptoms, feeling disorder, fatigue, paralysis

Patients with chronic injuries initially complained of pain in the lateral side of the calf, increased during walking, relieved after rest, and then gradually developed calf swelling, fatigue, fatigue, loss of the lateral and back of the calf, disappearance of the tibialis anterior muscle, toe long extensor muscle, thumb Long extensor muscles and long humerus, short-term muscle paralysis can cause foot drop and mild varus, patients with acute compression often have a calf side and foot dorsal dysfunction after a partial compression, the foot is drooping.

In patients with complete injury caused by total peroneal nerve compression, the foot can be seen to sag, walking across the gait, lateral calf and foot dorsal dysfunction, stretching thumb, toe, foot extension, internal and external valgus obstacle, anterior lateral leg The muscles are atrophied.

1.Tinel sign: The neck of the tibia is beaten with radiation pain.

2. Electromyography: You can understand the location and extent of the injury, and exclude other diseases.

3. X-ray film: Knee joint X-ray film can detect bone lesions.

Examination of common peroneal nerve compression syndrome

1. Electromyography: You can understand the location and extent of the injury, and exclude other diseases.

2. X-ray film: Knee joint X-ray film can detect bone lesions.

Diagnosis and differentiation of common peroneal nerve compression syndrome

diagnosis

Diagnosis can be based on medical history, clinical manifestations, Tinel signs and electromyography.

Differential diagnosis

1. Pediatric sequelae sag sag This disease is a poliovirus that invades the anterior horn cells of the spinal cord, causing the muscles to be dominated to varying degrees. The anterior tibial tendon is the most common in clinical practice, and can also cause the foot to sag and cross the gait. However, the patient with this disease is very young, has a long history, and feels normal function.

2. Lumbar disc herniation is a good middle-aged person, mainly manifested as low back pain with lower extremity radiation pain, the disease can also be manifested as lateral calf and foot dorsal dysfunction, but foot drop is rare, lumbar CT or spinal angiography can be identified.

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