. The American journal of roentgenology, radium therapy and nuclear medicine . Fio. 4. Basal-celled epitnelioma. This is the type tnatcan usually be held in check but can rarely becured. radiation should be thorough, and littlethought may be given to the cosmeticresult. Surface radiation should be carriedout as for basal-celled epitheliomata, orsomewhat more intensively; and in addi-tion, unscreened tubes of emanation shouldbe seeded throughout the mass, usingapproximately one tube of to of tumor. When in doubt, use toomuch rather than too little. If emanationis nof to be h
. The American journal of roentgenology, radium therapy and nuclear medicine . Fio. 4. Basal-celled epitnelioma. This is the type tnatcan usually be held in check but can rarely becured. radiation should be thorough, and littlethought may be given to the cosmeticresult. Surface radiation should be carriedout as for basal-celled epitheliomata, orsomewhat more intensively; and in addi-tion, unscreened tubes of emanation shouldbe seeded throughout the mass, usingapproximately one tube of to of tumor. When in doubt, use toomuch rather than too little. If emanationis nof to be had, steel needles containingradium eleniciU may be efVectivclv the most superficial and smallsquamous-celled ei)itheiiomata nun be. Fig. 5. Squamous-celled epithelioma ofthe ear. Treatedby the insertion of bare tubes of emanation andsurface applications of radium. Steel needles containing radium ma\ beinserted. This procedure may make themoperable later. In some cases, partialoperation with the insertion of emanationtubes at the time of operation may beindicated. It is probable that the perfec-tion of the technique of deep .v-ray radia-tion will inipro\e the prognosis of thesecases, even to the point of making opera-tion unnecessary. We ha\e jjracticallyabandoned the use of the radium pack infa\(M- of the .\-ray in the treatment of thelymph-gland areas, because it is apparentlyiust as ethcacious and more economical. The Treatment of Malignant Disease of the Skin by Radiation 21 Epithelioniata of the ear present a specialproblem. They are often of the squamous-celled type, but are usually less malignantthan this type of growth elsewhere on theglabrous skin. Ne^■ertheless they are oftenresistant to radiotherapy, a
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