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February 12, 1968

Prevention of Cryosurgical Adherence With Silicone

Author Affiliations

Portland, Ore

JAMA. 1968;203(7):524-525. doi:10.1001/jama.1968.03140070080025

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To the Editor:—  One of the serious disadvantages of cryosurgery is the occasional adherence of the cryosurgical probe to the tissue under treatment or to contiguous tissues. The tissues treated may be inadvertently torn with removal of the probe, and occasionally adjacent tissues are often disrupted with serious results. In ophthalmology attachment of the iris and adherence of the cornea occur so frequently that exceptional caution and immediate attention during extraction of the lens is required. Although much less important, adherence of the cryoprobe to sclera during retinal detachment surgery has also been a nuisance. In this latter surgical procedure the problem has been partially corrected by installation of heating units within the various cryosurgical instruments. It is the purpose of this article to describe a technique of shielding the probe from the tissues by a simple additional maneuver to insure the operator against this undesirable adherence and still permit