In the course of observation of cases of exophthalmic goiter at the Massachusetts General Hospital, data have been collected on cases which have been treated both by roentgen ray and by surgical procedures. From this clinic, Holmes and Merrill,1 and Holmes and Means2 have published the results of roentgen-ray treatment in this condition. Means and Aub3 and E. P. Richardson4 have made a comparison between the results of roentgen-ray treatment and surgery. C. A. Porter5 has reported the late results of his experience in the surgical treatment of exophthalmic goiter, based in part on cases treated in this clinic.
The question, however, as to whether surgical treatment is favorably affected by previous roentgen-ray treatment, or whether partial operations might increase the effect of roentgen-ray treatment in exophthalmic goiter has not been discussed in detail. Although the data at hand are meager, they are presented at