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The second edition of this well-regarded monograph appears eight years after the first. Expanded by 30%, it presents a comprehensive, current exposition of the various biologic processes, clinical manifestations, and therapies that pertain to the rather overly inclusive diagnosis of osteoarthritis. Of the 50 contributors, 30 are new to this edition; 25 are orthopedic surgeons and 15 are rheumatologists. Each of the four sections— basic considerations, general aspects of diagnosis, general aspects of management, and regional considerations—has the same editor as in the previous edition. Whether osteoarthritis is "primary," due to a genetic or unidentified cause, or secondary to trauma or a specific disease, it is primarily an affection of articular cartilage. Therefore, seven chapters are devoted to an exhaustive and lucid consideration of all aspects of this tissue. These chapters are products of extensive collaboration between basic scientists and clinicians. The section itself has been enlarged from 25% to
Thomas G. Benedek (Wed,) studied this question.