The fifth edition of Mr. Gabriel's book, like the previous four, presents diseases of the colon, rectum, and anus as they are treated at St. Mark's Hospital in London. St. Mark's is the oldest hospital in the world limiting its work to proctology. It was founded in 1835, and Mr. Gabriel has been on its staff for more than 40 years. The tremendous experience in volume and variety of proctologic cases done in St. Mark's is recorded in this book.
In the latest edition each chapter has been brought up to date in regard to text and illustrations, and two new chapters have been added. Chapter 5 concerns the malformed rectum and anus, while the new Chapter 10 thoroughly discusses pain in the anorectal area not explained by clear-cut lesions found on local examination. Anal incontinence is unusually well covered as to cause and treatment. The sections on tumors of