In this third edition of his classic text on orbital neoplasms, Henderson has drawn on 1376 consecutive cases of orbital tumors with pathologic or surgical confirmation seen at the Mayo Clinic from 1948 to 1987. This series has almost doubled in the 13 years since the second edition was first printed. In response to recent developments in the diagnosis and understanding of orbital neoplasia, as well as the increased follow-up available on patients, the book has been completely rewritten.
The subject of this book is orbital tumors. Accordingly, there is no in-depth discussion of Graves' orbitopathy, orbital trauma, or infection. To devote chapters to newer developments in the study of orbital tumors, many of the historical aspects of the various tumor families do not appear, and there is no formal chapter on orbital anatomy. (Fortunately, Henderson's historical information will still be available in copies of his earlier editions.) In their