The Invasive Cytopathologist: Ultrasound Guided Fine-Needle Aspiration of Superficial Masses is a useful guide for ultrasound evaluation, cytological interpretation and differential diagnostic considerations of superficial masses, and is a valuable source of information for cytopathologists, cytopathology fellows, cytotechnology students and upper level pathology residents. Endocrinologists, thyroidologists, head and neck specialists, and any professional with interest in ultrasound and fine needle aspiration cytology of superfial masses will benefit from this book.