This issue of Surgical Pathology Clinics, edited by Dr. Vickie Jo, focused on Cytopathology. Topics include--but are not limited to--Head and Neck Cytology: HPV-Associated Carcinomas,  Updates in Thyroid Cytology, Salivary Gland Cytopathology, Pulmonary Cytopathology, Updates in Effusion Cytology, Updates in Gynecologic Cytology, Diagnostic Advances in Urine Cytology, Renal Neoplasms, Pancreaticobiliary Cytology, Carcinoma of Unknown Primary, Soft Tissue Neoplasms, Primary Bone Tumors, Pediatric Cytopathology, Advances in Molecular Testing Techniques in Cytological Specimens, and Circulating Tumor Cells: Applications in Cytopathology.