Computed Tomography Imaging Artifacts in the Head and Neck Region: Pitfalls and Solutions MR Imaging Artifacts in the Head and Neck Region: Pitfalls and Solutions Pearls and Pitfalls of 18FDG-PET Head and Neck Imaging Postsurgical and Postradiation Findings in the Head and Neck Imaging Implants and Foreign Bodies on Head and Neck Imaging Skull Base Tumor Mimics Normal Anatomic Structures, Variants, and Mimics of the Temporal Bone Normal Anatomic Structures and Variants of the Sinonasal Cavities, Orbit, and Jaw Pearls and Pitfalls in Neck Imaging Normal Vascular Structures and Variants on Head and Neck Imaging Parathyroid Computed Tomography: Pearls, Pitfalls, and Our Approach Pearls, Pitfalls, and Mimics in Pediatric Head and Neck Imaging