. Radiography, x-ray therapeutics and radium therapy . Fig. 217.—Diagram illustrating method. (Schall.) Fig. 218.—Diagram showing centres of areas to be rayed.(Schall.) 4. A Sabouraud pastille dose, with the anticathode at 6| inches from thenearest point of the scalp, is given to the vertex, occiput, lower occiput, rightside, and left side in succession, taking the points A, B, C, D, and E as the centreof each area to be rayed, and placing the tube so that the line joining the anti-cathode and the nearest part on the scalp is at right angles to a similar linejoining the anticathode
. Radiography, x-ray therapeutics and radium therapy . Fig. 217.—Diagram illustrating method. (Schall.) Fig. 218.—Diagram showing centres of areas to be rayed.(Schall.) 4. A Sabouraud pastille dose, with the anticathode at 6| inches from thenearest point of the scalp, is given to the vertex, occiput, lower occiput, rightside, and left side in succession, taking the points A, B, C, D, and E as the centreof each area to be rayed, and placing the tube so that the line joining the anti-cathode and the nearest part on the scalp is at right angles to a similar linejoining the anticathode with each of the central points of the adjacent lines which have been drawn on the scalp connecting the five points givean indication of the direction in which the dose is to be aimed, of the positionof the tube in relation to the head. The applications to the vertex, upperocciput, and the two sides are best made with the patient lying on a forehead and eyes must be shielded by a piece of lead or protective rubberduring
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