Investigation into the Aetiology and Pathology of Fibrositis of the Back.

The aetiology and pathology of fibrositis of the back are still unknown, and this investigation was started in the hope of clarifying the picture. It was therefore decided to examine the backs of all bodies reaching the post-mortem table to establish the normal condition before studying any " fibrositic " nodules that might subsequently be available for examination. Twleve backs were dissected. The results set out below appear to have a bearing on the aetiology and pathology of fibrositis of the back. The twelve backs examined were those of the first twelve bodies which came to post-mortem examination after it had been decided to carry out this investigation. They included, besides cases of longstanding illness and consequently much wasting, several cases of sudden death. As the findings were constant in all twelve bodies they may be regarded