Abstract
BACKGROUND: Emphysematous Osteomyelitis is a rare and potentially fatal form of severe osteomyelitis. It is characterized by gas produced by pathogenic bacteria accumulating in bone structures and surrounding soft tissues. Its rarity and severe nature pose significant challenges for diagnosis and treatment. This case report describes the diagnosis and treatment of Emphysematous Osteomyelitis of the spine in a patient with long-term malnutrition and anemia. CASE PRESENTATION: A 72-year-old agricultural worker presented with persistent low back pain accompanied by radiating pain in both lower limbs for one month. The patient reported continuous dull pain that worsened with postural changes and improved when lying flat. Based on clinical presentation, biochemical indicators, and imaging studies, spinal infection was initially suspected. Empirical antimicrobial therapy administered for two weeks after admission proved ineffective and was complicated by an epidural abscess, leading to the decision for surgical intervention in the third week. Intraoperative tissue samples were identified through culture identification and high-throughput culture and metagenomic pathogen detection, identifying Citrobacter koseri and Staphylococcus aureus as causative pathogens. Postoperatively, based on antimicrobial susceptibility testing results, treatment was switched to intravenous meropenem and levofloxacin. One month postoperatively, the patient showed good recovery with normalized infection markers, no fever, and significant pain relief. DISCUSSION AND CONCLUSION: In summary, this rare and severe form of Emphysematous Osteomyelitis requires prompt diagnosis and treatment in clinical practice. The diagnosis of Emphysematous Osteomyelitis of the spine relies on imaging studies. Failure to achieve accurate and timely diagnosis may lead to misdiagnosis or delayed treatment, which not only compromises therapeutic efficacy but may also result in catastrophic consequences. Timely antibiotic therapy, early detection, and aggressive surgical intervention when necessary are key to the successful management of Emphysematous Osteomyelitis of the spine.