Infections of the Oral Cavity and Suprahyoid Neck Imaging of Maxillofacial Trauma Malignant and Nonmalignant Lesions of the Oral Cavity The Role of Imaging in Mandibular Reconstruction with Microvascular Surgery Normal and Variant Sinonasal Anatomy Infectious and Inflammatory Sinonasal Diseases Malignant and Nonmalignant Sinonasal Tumors Perineural Spread of Tumor in the Skull Base and Head and Neck Anatomy and Pathology of the Skull Base: Malignant and Nonmalignant Lesions Imaging of Major Salivary Gland Lesions and Disease Image-Guided Biopsies of Superficial and Deep Head and Neck and Skull-Base Lesions Proton Radiotherapy for Skull-Base Malignancies: Imaging Considerations of Radiotherapy and Complications Future Perspective: Carbon Ion Radiotherapy for Head and Neck and Skull Base Malignancies