induction therapy for acute leukemia, although in this setting, numerous factors might further the occurrence of such a complication. Whether the ACPO observed in our patient was merely coincidental or might be. related to ATRA therapy remains questionable, and further experience is required before including ACPO within the scope of RA syndrome.
Introduction: Sternoclavicular joint (SCJ) septic arthritis is a rare but rapidly fatal joint infection. Without proper medical or surgical management, it can progress to osteomyelitis, chest wall abscess, mediastinitis, or myositis.Case Report: A 57-year-old male with a past history of intravenous drug use presented to the emergency department (ED) with chest tenderness of one week duration. Vital signs were unremarkable, and exam was notable for tender, raised right SCJ without any fluctuance. On point-of-care ultrasound we noted fluid collection and capsular distention along the SCJ, which aided in rapidly diagnosing septic arthritis. The patient was immediately started on antibiotics and taken to the operating room for excision and debridement.
Conclusion:While computed tomography is routinely used in the emergency department for diagnosing septic arthritis, ultrasound offers a rapid and safe alternative for diagnosis. [Clin Pract Cases Emerg Med. 2024;8(1)60-63.]
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