The text is written by a group of over forty internationally respected experts in the field and includes 23 chapters divided into sections.

The 11th edition contains new chapters covering Pharmacology, Headache and Genetics and has all new color illustrations and figures. The text is accompanied by a CD, which will contain case reports for each chapter and an expanded bibliography.

Several chapters have been entirely rewritten including the chapters on Red and White lesions, Pigmented Lesions, Neuromuscular Diseases, Renal Disease, Hematologic Disease and Immunology. Illustrations have been redone and are all in color.