CT and MRI of a transcardiac gunshot wound with an annular distribution of bullet fragments surrounding an exit-re-entrance wound after the bullet burst from a floor tile upon exiting the lying body

This case report describes medicolegal examinations of a decedent with fatal gunshot wound. The lied on the floor as bullet was fired into his chest. Computed tomography (CT) and magnetic resonance imaging (MRI) were performed part judicial investigation. MRI examination valuable for delineating wound channel through left ventricle, which deemed main cause internal bleeding blood loss. diagnostic value CT detection injuries low in this case. However, allowed virtual investigation fragments. According to CT-based dual-energy index calculations, it could be inferred that fragments most likely made lead matching .357 Magnum R–P cartridges found at scene. located underneath skin suspected exit actually an exit-re-entrance wound, can assumed re-entered body after burst from hard ground upon exiting decedent, who lying floor. visualized uncommon annular distribution pattern surrounding formation such relevant conclusions may drawn are discussed article.