. Radiography and radio-therapeutics . ures are recommended, and theradium should not be screened to any radium enclosed in a glass tube, or verythin metal filter, is the best form of applica-tion, and a few minutes exposure is all thatis necessary. Each case must, however, betreated on its merits, and if short exposuresdo not produce the effect wished for thetime of exposure must be increased. Rodent ulcers in the neighbourhood ofthe orbit require special treatment. Whensituated on the eyelids, the eyeball must beprotected when a long exposure is contem-plated. A sheet of lead, rub
. Radiography and radio-therapeutics . ures are recommended, and theradium should not be screened to any radium enclosed in a glass tube, or verythin metal filter, is the best form of applica-tion, and a few minutes exposure is all thatis necessary. Each case must, however, betreated on its merits, and if short exposuresdo not produce the effect wished for thetime of exposure must be increased. Rodent ulcers in the neighbourhood ofthe orbit require special treatment. Whensituated on the eyelids, the eyeball must beprotected when a long exposure is contem-plated. A sheet of lead, rubber, or leadenclosed in gutta-percha tissue is moulded tothe surface of the eyeball, and placed underthe lid to be treated. The applicator is strapped in position for thenecessary time. It will be found that comparatively long exposures may begiven when these precautions are taken. The application of the protecting lead rubber to the eyeball willcause pain; this may be lessened by the use of a drop or two of a weaksolution of Fig. 389.—Application of radium tothe eyelid. R. Radium tube. B. Growth on upper eyelid. C. Lead rubber placed under eyelid to protect the eyeball. RADIUM IN SPECIAL SITUATIONS 517 RADIUM IN DISEASES OF THE EAR, NOSE, AND THROAT In these regions, owing to the scarcity of the supply of radium, and theconsequent difficulty of obtaining sufficiently large quantities, its use has beenrestricted to malignant disease. But it is probable that in the future a largefield of usefulness will be found in the treatment of simple inflammatorylesions. In the region of the ear, nose, and throat it will be found extremelyuseful as a therapeutic agent of great potency, and probably when radiumhas found its level in the treatment of malignant disease, some of its thera-peutic properties will be directed towards the cure of these simpler diseases. Granulation tissue readily yields to radiation treatment. Haemorrhagecan be controlled, and when a suppurative conditi
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