ABSTRACT
Introduction: We experienced a case in which an epidural block was useful in estimating the cause of low back pain in a patient suffering from esophageal cancer with liver and paraaortic lymph node metastases. Case: A 69-year-old male with a history of surgery for lumbar disc herniation (at the age of 20). He was diagnosed with esophageal cancer and during follow-up, he noticed low back pain, followed by epigastric pain. MRI revealed L1/2 and L2/3 intervertebral disc herniation. The thoracic epidural block was performed from Th8/9 under X-ray fluoroscopy to alleviate symptoms and identify the cause of low back pain. After confirming the analgesic effect, we conducted a splanchnic nerve block using neurolytic agent (anhydrous ethanol), resulting in total pain elimination. Subsequently, the patient passed away under good pain control without increasing the dose of analgesics. Conclusion: By confirming the effectiveness of epidural block at the thoracic level in advance, the complicated pain was thought to be derived from not lumber disc herniation, but the visceral nerves. An epidural block was useful for the selection of subsequent analgesic therapy.
ABSTRACT
The thoracic splanchnic nerve block has been used in managing abdominal pain, especially for pains arising from abdominal cancers. A 27-year-old male patient who had a constant abdominal pain was referred to our clinic for pain management but had no organic disease. The numeric rating scale (NRS) for pain scored 7/10. We applied a diagnostic thoracic splanchnic nerve block under the diagnosis of functional abdominal pain syndrome. Since the block reduced the pain, we applied a radiofrequency thermocoagulation at the T11 and T12 vertebral level. Thereafter, his symptoms improved markedly with pain decreasing to an NRS score of 2-3/10. Hereby, we report a successful management of functional abdominal pain via radiofrequency thermocoagulation of the thoracic splanchnic nerves.