Fine-needle aspiration cytology (fnac) is a diagnostic procedure used to investigate superficial lumps or masses. This procedure is widely used in the diagnosis of cancer and inflammatory conditions. Fine needle aspiration cytology: interpretation and diagnostic difficulties is organised into 21 chapters covering the full spectrum of fine needle aspiration cytology, organ by organ, from head, neck and orbital to skin, bone and the central nervous system. This book provides comprehensive, current information on the principles and techniques of fine needle aspiration cytology, enhanced by 829 full colour images and illustrations, tables and message boxes. Illustrations of neoplastic lesions are accompanied by discussion on the use of fine needle aspiration technique in the investigation of nodules and masses suspected to be of neoplastic origin. This second edition has 8 new chapters, providing updated information on the use of fnac for pancreas, gall bladder, soft tissue lesions, and sk