DURING the treatment of a cutaneous lesion with roentgen rays it is customary to shield the surrounding normal tissues with a sheet of a heavy metal, such as lead or tin, or a sheet of rubber containing a high proportion of such a metal. By means of scissors, openings of appropriate shape are cut in this material to fit the irregularities in the contour of the lesion. It is sometimes necessary to apply the shield to the lesion many times during the cutting of the opening before an accurately fitting outline can be secured, and if too much is cut away in any spot a new beginning must be made. Dermatologists soon acquire a few hundred small lead sheets with irregular openings, among which a hopeful search is conducted for one suitable for any new lesion presented for treatment. It is surprising how rarely this goal is attained.
If it is to furnish adequate protection, sheet lead should be
WILSON JW. SHIELDING OF SKIN AGAINST ROENTGEN RADIATION BY PLASTIC COMPOUNDS. Arch Derm Syphilol. 1950;62(2):237–244. doi:10.1001/archderm.1950.01530150059007
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