• This book describes the characteristic diagnostic features and differential diagnosis of various lesions on fine needle aspiration cytology. • Detailed cytology, immunocytochemistry, and molecular genetics of all the lesions have also been discussed. • Contains all the recent information in the field of cytology and many whole slides imaging (Digital Slides). • This is a simple, concise, and illustrative book. • There are many tables, boxes, and microphotographs in every chapter. • The review section of the book is helpful for self-assessment.