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Using radiopaque markers such as paperclips to mark penetrating wounds prior to radiographs has been taught in trauma bays for decades. This article points out there is no evidence to support this practice and is purely based on expert opinion. With the heavy use of CT imaging to assess wound tracks, the use of markers on plain films appears to be of limited utility.
References
Sarfaraz K, Nemeth J, Bahreini M. The use of radiopaque markers is medical dogma. Acad Emerg Med. 2024 Feb;31(2):193-194. doi: 10.1111/acem.14858. Epub 2024 Feb 6. PMID: 38112251.