This color atlas covers etiology, incidence, clinical features, diagnostic features, immunochemistry, molecular biology and important differential diagnosis of various lesions of the body. It includes large number of microphotographs, around 1500 of all the common and uncommon lesions of the body that can be diagnosed by aspiration cytology. It also includes images of immunocytochemistry and other important ancillary tests of the lesions. Additionally, it includes a review chapter on interesting cases of fine needle aspiration cytology (FNAC) along with multiple choice questions. This book provides necessary information to the readers for the diagnosis and differential diagnosis of the body lesions with the help of FNAC.