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Orthopedics & Traumatology

Lumbar Disc Herniation with Radiculopathy, L5-S1, Left Lower Extremity

ICD-10 Code
M51.17_1

Herniated disc at L5-S1 level causing nerve compression and radicular pain in the left leg.

Clinical Presentation & Protocol

Patient Usually Complains Of

Patient presents with acute/chronic low back pain radiating into the left lower extremity in an S1 dermatomal distribution. Pain is described as sharp, electric, and shooting, exacerbated by flexion, coughing, or Valsalva maneuver. Associated with left-sided paresthesia and subjective weakness in the left calf/foot. No bowel or bladder dysfunction reported.

Clinical Examination Findings

Lumbar spine exam reveals restricted range of motion with paraspinal muscle spasm. Neurological exam: Positive straight leg raise (SLR) on the left at 40 degrees, reproducing radicular symptoms. Motor strength: 4/5 left gastrocnemius/soleus (S1). Reflexes: 1+ left Achilles reflex (diminished). Sensory: Hypesthesia noted in the lateral aspect of the left foot and fifth digit. Gait: Antalgic, favoring the left side.

Treatment Protocol

Conservative management initiated: Activity modification (avoid heavy lifting/prolonged sitting), physical therapy for core stabilization and nerve gliding exercises. Pharmacotherapy: NSAIDs, muscle relaxants, and neuropathic pain agents (e.g., Gabapentin). Referral for lumbar epidural steroid injection (LESI) if symptoms persist beyond 6 weeks.

Detailed clinical guide coming soon.