Assesment of Epidural Platelet-Rich Plasma (PRP) Injection During Uniportal Endoscopic Lumbar Disc Herniation Excision on Residual Neuropathies

Inclusion Criteria: * Patients, male or female, aged ≥ 18 and ≤ 55 * Patients with a diagnosis of a single-level lumbar disc herniation confirmed by MRI * Patients in whom conservative treatment has failed for at least 6 weeks * Patients for whom monoportal endoscopic lumbar disc herniation excision is indicated * Patients with lower-limb radicular pain of an intensity ≥ 3/10 on the Numerical Pain Scale * Patients affiliated with or covered by a social security scheme * French-speaking patients who have signed an informed consent form Exclusion Criteria: * Patients with a history of lumbar spine surgery or epidural injection * Patients with progressive neurological deficits or cauda equina syndrome * Patients with coagulopathy or systemic hematological disorders * Patients with an active infection or autoimmune disease * Patients with multilevel disc herniation or concomitant cervical spine pathology * Patients with scoliosis \> 40°. * Patients already enrolled in another clinical study * Protected patients: adults under guardianship, curatorship, or other legal protection measures; patients deprived of liberty by judicial or administrative decision * Patients hospitalized without consent * Patients receiving psychiatric care * Patients unable to provide informed consent. * Pregnant or breastfeeding women, including parturient women