25 March 2025
: Case report 
Unexpected Deltoid Abscess from BCG Vaccination in a Healthy Adult: A Case Report
Challenging differential diagnosis, Diagnostic / therapeutic accidents
Ahmad Abdalla
DEF 1*, Ahmed Samir Elbakri ABC 2, Cinderella Ali Almatrooshi DEF 3, Nouf Bader AlNaqeeb DEF 3, Nabeel Umer Hussain ABCG 4, Waqar Haider Gaba CDEG 3, Farhan Fazal ABEG 5
DOI: 10.12659/AJCR.946723
Am J Case Rep 2025; 26:e946723
Figure 1. Axial T2-weighted magnetic resonance imaging scan of left shoulder revealing an intramuscular deltoid lesion with high signal tracking (white arrow) along muscle-fascia interface and into subcutaneous fat, indicating edema with no obvious fluid collection.