Tumors of the Carotid Body

Tumors of the carotid body have great surgical and pathologic interest, but are not of so rare occurrence as they were at one time thought to be. Dr. Scudder1of Boston described a case in 1903, which I think was the first case reported in this country; Dr. Keen2of Philadelphia, in a comprehensive and extremely interesting article, first called the attention of the American medical profession to the condition. Since then, Drs. DaCosta,3Callison and McKenty,4Balfour and Wildner,5and others, have reported isolated cases and have written at length on the pathology of the condition. The number of cases described in the literature, which Dr. Scudder stated in 1903 were seven, and which Dr. Keen, by his investigation in 1906, increased to twenty-six, have now increased to about a hundred; and these curious little tumors have been dissected, studied, and described almostad