(From Our Regular Correspondent)Sept. 26, 1936.
Research in Radium Therapy
The Report of the Radium Institute for 1935, just published, contains some important advances in technic.
During 1935, 191 cases of rodent ulcer were treated. They are classified into (1) hypertrophic, (2) superficial ulcerating, (3) superficial cicatrizing and (4) deep ulcerative. Many of the cases were postoperative recurrences and a few were recurrent after x-ray and radium treatment elsewhere. The majority of the cases in the first three groups were treated by unscreened radium by means of flat applicators for from one and one-half to two hours. For the most extensive superficial hypertrophic and ulcerated varieties, radon seeds with a filter of 0.3 mm. and containing 1.5 millicuries were used. The usual treatment of the deep ulcerative type was gamma radiation by means of radium tubes mounted on stent and Columbia paste wax molds, but needling