Earticle

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영어

Complex regional pain syndrome (CRPS) is a clinical diagnosis and may be difficult to differentiate from other conditions, particularly in the early stage. We report the case of a 17-year-old male who presented with right ankle pain two months after a ligament injury. At presentation, he exhibited hyperalgesia, allodynia, asymmetry in skin temperature and color, edema, and increased uptake on three-phase bone scintigraphy, findings raising concern for early-stage CRPS. A lumbar sympathetic ganglion block was performed, and transient improvement in pain and swelling was observed. However, four days after the procedure, the patient developed progressive erythema, swelling, and bullae formation in the affected ankle. Although laboratory evaluation revealed only mild leukocytosis without other significant abnormalities, a soft tissue infection was suspected. Empirical antibiotic therapy was initiated, resulting in marked improvement in both pain and swelling. This case highlights that early CRPS and soft tissue infection such as cellulitis may present with overlapping clinical features, leading to diagnostic confusion, and may also coexist. It underscores the importance of ongoing reassessment and careful differential diagnosis when new inflammatory signs emerge during follow-up.

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저자

• Jun-Seok Lee [ 이준석 | Department of Anesthesiology and Pain Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea ]
• Joon Sung Park [ 박준성 | Department of Anesthesiology and Pain Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea ]
• Chan-Sik Kim [ 김찬식 | Department of Anesthesiology and Pain Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea ]
• Jin-Woo Shin [ 신진우 | Department of Anesthesiology and Pain Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea ]
• Seong-Soo Choi [ 최성수 | Department of Anesthesiology and Pain Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea ]
• Hyun-Jung Kwon [ 권현정 | Department of Anesthesiology and Pain Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea ] Corresponding Author

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발행기관

간행물

표지보기 관심저널 등록

• 간행물명

  Pain Bulletin

• 간기

  반년간

• pISSN

  2951-3782

• eISSN

  3140-3689

• 수록기간

  2022~2026

• 십진분류

  KDC 514 DDC 617