Thoracic pyogenic infectious spondylitis presented as pneumothorax: A case report.

BACKGROUND Pyogenic infectious spondylitis (PIS) is a rare condition, with an incidence between 0.2 and 2 cases per 100000 per annum. It's most common symptom-back or neck pain-occurs in more than 90% of cases. Herein, we reported a case of thoracic PIS accompanied by pneumothorax in a 65-year-old male patient. CASE SUMMARY A 65-year-old man presented with right chest pain and dyspnea. The initial erect posteroanterior chest radiography revealed pneumothorax, which was further evaluated by chest computed tomography, revealing pleural effusion in the right lung and a paravertebral abscess with bony destruction of vertebral body. Based on magnetic resonance imaging, the patient was diagnosed with thoracic infectious spondylitis with an anterior paravertebral abscess. He was prescribed antibiotics and underwent neurosurgery due to aggravated symptoms and neurologic deficit. Tissue examination revealed that the cause of pleural effusion and pneumothorax was Staphylococcus aureus infection contiguously spread to lung pleura. After several surgical treatments with intravenous antibiotic therapy for two months and transition to oral antibiotics (rifampin 600 mg qd and ciprofloxacin 500 mg bid), the patient received physical therapy to recover balance. One month after discharge, the patient had no chest pain or dyspnea, and exhibited no elevation in inflammatory markers or new thoracic lesions. CONCLUSION To our knowledge, this is the very first report of a case of thoracic PIS with pneumothorax.