Fig. 7From: Imaging foreign bodies in head and neck trauma: a pictorial reviewBroken hammer. Lateral radiograph (a) and axial contrast enhanced CT image (b) showing a radiopaque/hyperdense structure (arrow) anteromedial to the sternocleidomastoid muscle and lateral to the thyroid cartilage. Streak artefacts in the CT image indicate marked density, a potential clue that the foreign object is metallicBack to article page