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Application for ESRA Abstract Prizes : I apply as an Anesthesiologist (Aged 35 years old or less)Background and Aims The sacral hiatus at the base of the sacrum provides an entry portal to the epidural space. Local anaesthetic and steroid mixtures injected into the epidural space are used to provide pain relief in patients with lumbosacral radiculopathy.Although the gold standard is the fluoroscopic technique with the use of contrast, it is also associated with side effects such as radiation, side effects of the contrast, and expensive equipment required. The use of ultrasound for extraction of this procedure shows an increasing trend, it is simple to perform, and side effects from radiation and contrast are avoided.Methods We will describe a series of 30 patients with radicular pain, spinal stenosis and discopathy at the level of L4-L5 and L5-S1 . For patients in a prone position after appropriate disinfection of the field, under conditions of asepsis, with the use of Doppler, Ultrasound guided, we applied caudal stereoId injection. We applied 15 ml of NaCl 0,9% with 4 mg of Dexamethasone and 2 ml of Lidocaine 2% After the application, the patient in a prone position for 60 minutes. We monitor the level of pain through the Numeric rate score (NRS) before the block and after the application of the block for 1 hour, after 7 days and after 30 days.Results 20 patients had an improvement in their condition 1 hour after the application of the block and a reduction in pain score by 60%. The analysis made 7 days after the application of the block showed an improvement in the condition of 25 patients, with reduced pain score by 70% and easier movement. After 30 days of block application there was improvement and lower pain scores in 23 patients.Conclusions Ultrasound guided caudal steroid injection is safe and efficient simple procedure in pain treatment such as radicular pain, spinal stenosis and discopathy.