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What is radiculopathy
ICD-10 code: M54.1
Radiculopathy is damage to a nerve root due to its compression at the level of exit from the spinal canal. In everyday terms, this is called "nerve compression" or "radiculitis." Radiculopathy is not a diagnosis, but a syndrome with a specific underlying cause.
Causes of radiculopathy
Herniated disc/disc protrusion (80%)
Bulging or rupture of the disc compresses the nerve root. The most common cause in patients aged 30-50 years. L4-L5 and L5-S1 — 95% of lumbar radiculopathies. C5-C6 and C6-C7 — 90% of cervical.
Foraminal stenosis (15%)
Narrowing of the intervertebral foramen due to osteophytes, facet joint hypertrophy, thickening of the ligamentum flavum. More common in patients over 60 years.
Spondylolisthesis
Vertebral slippage leads to deformation of the foraminal opening and root compression.
Inflammation and edema
Even without significant mechanical compression, inflammatory mediators (TNF-alpha, IL-1, PGE2) released by the damaged disc cause chemical irritation and edema of the root.
Clinical Presentation by Levels
Cervical radiculopathy
C5 (disc C4-C5)
Pain in the shoulder, weakness of the deltoid muscle (difficulty raising the arm). Numbness on the outer surface of the shoulder. Decreased biceps reflex.
C6 (disc C5-C6)
Pain along the outer surface of the forearm. Numbness of the thumb and index finger. Weakness of the biceps and radial wrist extensor.
C7 (disc C6-C7)
The most common cervical radiculopathy. Pain along the posterior surface of the forearm. Numbness of the middle finger. Triceps weakness.
C8 (disc C7-T1)
Numbness of the ring and little fingers. Weakness of the small hand muscles. Often confused with cubital tunnel syndrome.
Lumbar radiculopathy
L4 (disc L3-L4)
Pain along the anterior surface of the thigh and medial shin. Weakness of the quadriceps muscle (difficulty extending the knee, climbing stairs). Decreased knee reflex.
L5 (disc L4-L5)
The most common lumbar radiculopathy. Pain along the outer surface of the thigh and shin, dorsum of the foot. Weakness of great toe and foot extension (foot drop in severe cases).
S1 (disc L5-S1)
Pain along the back of the thigh, calf, and outer foot. Weakness of plantar flexion (difficulty standing on tiptoes). Decreased Achilles reflex.
Severity Grades of Radiculopathy
Irritative (Irritation)
Pain and sensory disturbances only (numbness, paresthesias). Reflexes normal or mildly decreased. Muscle strength preserved. Whether regenerative treatment is an option in this condition is assessed by the clinic doctor.
Compressive (Compression)
Pain + numbness + muscle weakness. Decreased reflexes. EMG shows reduced conduction velocity and denervation. Active treatment required to prevent muscle atrophy.
Paralytic
Marked muscle weakness or paralysis, absent reflexes. EMG shows axonal degeneration. Indication for urgent intervention (regenerative treatment or surgery depending on the situation).
Diagnosis
MRI
Primary diagnostic method. Visualizes disc herniation/protrusion, stenosis, and nerve root condition. Sagittal and axial images. For cervical radiculopathy, myelopathy must be excluded.
EMG
Electromyography confirms radiculopathy, determines level, and assesses severity (demyelination vs. axonopathy). Prognostically important: axonal injury has longer recovery time.
Clinical Tests
Lasègue test (SLR) for lumbar radiculopathy. Spurling test for cervical radiculopathy. Muscle testing using MRC scale. Dermatome sensory mapping.
Radiculopathy: treatment options and what is known about them
The treatment plan is made by the clinic doctor after an examination and a review of your images. The table shows the options usually discussed for this diagnosis and how well they have been studied.
| Option | What to expect | How well studied |
|---|---|---|
| Exercise therapy and physiotherapy | Reduces pain, strengthens muscles, improves function; the basis of treatment | Well studied, recommended |
| Painkillers and NSAIDs | Ease pain during flare-ups; long-term use is limited by side effects | Moderate evidence |
| Epidural or perineural injection | Reduces radicular pain for weeks or months, helps get through a flare-up | Moderate evidence |
| PRP / CGF | Concentrate from your own blood; may reduce pain, growth of new tissue has not been shown | Little data |
| Microdiscectomy | If conservative treatment does not help or there is an indication | When indicated — the doctor decides |
We send your request to several partner clinics. Some will suggest conservative treatment or injections, others surgery; each clinic quotes its own conditions and price. We help you compare the options.
Regenerative methods: realistic expectations
In most patients with a herniation or protrusion, leg or arm pain eases markedly within 6–12 weeks without surgery. Staying active, exercise therapy and painkillers help; for severe radicular pain, an epidural or perineural injection may be used. Intradiscal injections of PRP and cells are still experimental: the studies are small and disc regeneration has not been shown.
When surgery is discussed. Urgently — for leg weakness, numbness in the saddle area or bladder problems. Electively — if severe radicular pain does not ease within 6–12 weeks of treatment.
If an injection helps, the effect usually builds up over 6–12 weeks, and the result is assessed after 2–3 months. No clinic can guarantee a result.
Good to know: diagnosis, self-help, outlook
How to tell radiculopathy from other causes of pain
In radiculopathy pain follows a specific line — down the leg below the knee or along the arm to the fingers — with numbness, tingling or weakness. Low back pain without radiation below the knee is more often muscular or joint-related. Numbness in both feet in a “sock” pattern is typical of polyneuropathy, and buttock pain when sitting of piriformis syndrome. MRI shows what compresses the root, and nerve conduction studies show how much the nerve is affected.
What you can do yourself
Stay as active as possible, change position every 30–40 minutes and avoid heavy lifting and prolonged bending in the acute phase. Heat, painkillers and anti-inflammatories for a short course as prescribed by a physician. Gradually add walking and exercises that do not worsen the leg or arm pain.
Outlook and timelines
Radicular pain eases within 6–12 weeks in most people, and the herniation itself often shrinks over time. A periradicular injection can relieve pain during this period. Surgery is discussed for increasing weakness, bladder or bowel problems or persistent pain that does not respond to treatment.
Who it is not suitable for and possible risks
Contraindications
- Active infection — at the injection site or systemic, with fever.
- Active cancer or ongoing chemotherapy.
- Blood clotting disorders or a low platelet count. Anticoagulants are discussed with the physician.
- Pregnancy and breastfeeding — the procedure is usually postponed.
- A corticosteroid injection into the same area in recent weeks.
- Urgent surgery, not injections, is needed if there is progressive leg weakness, numbness in the groin area or bladder dysfunction.
Possible risks
- Pain and swelling at the injection site for 1–3 days.
- Bruising where blood or fat tissue is taken.
- Rarely, infection. The procedure is therefore performed under sterile conditions with ultrasound or X-ray guidance.
- The effect may be absent or smaller than expected.
- Injections into the intervertebral disc carry a rare risk of disc inflammation (discitis).
If any of these apply to you, mention it in your request. The coordinator will check with the clinic physician whether treatment is possible. Contact a coordinator.
Scientific evidence
Studies of regenerative methods show mixed results. Clinic physicians rely on research including the following:
- Tuakli-Wosornu YA et al. Lumbar Intradiskal Platelet-Rich Plasma (PRP) Injections: A Prospective, Double-Blind, Randomized Controlled Study. PM R, 2016.
- Lurie JD et al. Surgical versus nonoperative treatment for lumbar disc herniation: eight-year results for the Spine Patient Outcomes Research Trial. Spine, 2014.
Next steps: Treatment methods · Treatment cost · How treatment in Germany is organised
Questions about Radiculopathy
RegenPAS is a patient service centre in Munich, not a clinic. We review your images and symptoms and send a request to several partner clinics at once. Clinics that can accept you send their own conditions and price; prices differ between clinics, and you choose the option that suits you. The coordinator replies within 24 hours, and a clinic physician’s preliminary opinion follows in 1–3 business days. We then arrange the appointment, visa invitation, interpreter, transfers and accommodation. Treatment decisions are made by the clinic physician. Contact a coordinator.
Your MRI (or CT, X-ray) report and the images if you have them, plus a short description of your symptoms and previous treatment. Send them via the form on the website — the assessment is free and without obligation: the coordinator replies within 24 hours, and the clinic physician’s preliminary opinion follows in 1–3 business days.
The cost depends on the method, the diagnostics needed and the clinic itself: prices differ between clinics. We request offers from several clinics and send you their conditions and quotes so you can compare. Price guidance is on the treatment cost page. For an outpatient procedure, 2–3 days in Munich are usually enough: examination, procedure and follow-up visit.
Clinic and method matching — free of charge
Describe your case and attach your MRI report. We will identify clinics that use the relevant methods and forward your request to them. No obligation; we reply within 24 hours.
Send a request