Thoracic disk herniation comprises 0.15% of all disk herniation and has various and confusing manifestations. Among them, radicular pain down the leg could be the rarest presentation, especially if it is the only complaint. On the other hand, finding the relationship between clinical and paraclinical needs require high index of suspension and it is demanding. A 34-year-old patient, who had a history of intermittent back pain, with lower thoracic disk herniation presented by acute leg sciatica-like pain, is reported. He suffered 3 weeks of acute back pain prior to admission, which radiated down to buttock and leg, with a vague left abdominal pain, whose clinical examination indicated a distal lumbar problem. MRI showed T-12 L-1 disk herniation. Lower thoracic disc herniation can compress lumbosacral roots immediately after exiting from cord thickening in the lower thoracic area, so they can incite lower lumbar radiculopathy and cause discordance between MRI findings and clinical presentation, suggesting a lumbar problem, and this can lead to delayed diagnosis. However, the acute pain was completely improved after open discectomy.
Previous studies have shown that LLLT can be effective to accelerate healing and pain relief through reduction of mediators and inflammatory cells and increased endorphin, respectively. 13 This modality is acceptable and cost-effective. 13,14 Many dentists use identical drugs for different treatments and there is no agreement to prescribe the drugs based on the patient's health status. 15,16 The aim of this study was to investigate the effect of LLLT using 830 nm wavelength and 120 mW power in the management of the side effects of implant surgery. Methods Population In this triple-blind clinical trial (in which the subject, the person administering treatment, and the person
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