In his book on diseases of the throat, Solis-Cohen1 quotes two cases of removal of laryngeal growths through the mouth, one by Koderick of Brussels in 1750, the other by Green of New York in 1845. These were done in antelaryngoscopic days, but no details are given. In the literature, but seventy cases are mentioned before the invention of the laryngoscope. In Sir Morell Mackenzie's list of 100 cases of laryngeal tumors operated on by him, and reported in 1880, sixty-seven were said to have been papillomas. Of sixty-six consecutive cases operated on by Solis-Cohen, reported in 1871, forty-eight were assumed to be papillomatous in origin.
According to Cohen and Mackenzie, next in frequency occur the fibromas. Moritz Schmidt, however, quotes the frequency of fibromas to papillomas of the larynx in 32,997 clinical cases examined to be 256 to 46; they usually occur singly and are apt to be