Citation, DOI, disclosures and article data
Citation:
Chen T, Sharma R, Kang O, et al. Tram-track sign (bone). Reference article, Radiopaedia.org (Accessed on 18 Apr 2024) https://doi.org/10.53347/rID-62600
The tram-track sign is sometimes seen on delayed bone scan images. They can appear as symmetric linear increase in tracer accumulation along diaphyseal and metaphyseal surfaces of long bones. Corresponding to similar periosteal reaction seen on radiographs. Bone scan findings precede radiographic findings by many weeks.
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