It is here assumed that the student of regional surgery is possessed of the knowledge of the general surgical diseases, i. e., those diseases which may be observed in any other region, and the descriptions will be limited to the peculiarites only which those diseases present when they affect the neck or one of its regions, thus avoiding repetition as much as possible. If no peculiarity is mentioned in regard to diagnosis and treatment it is because they are the same as for the diseases in general.
This study is divided into that of the diseases and injuries of the neck as a whole and that of the dieases and injuries of its seven regions: The infra-hyoid (including the thyroid body, the supra-sternal fossa), the supra-hyoid, the lateral supra-hyoid (or digastric triangle or submaxillary region), the parotid, the lateral region (or region of the sterno-mastoid, or of the carotids), the