Journal article

Optimising cryosurgery technique

William C Cranwell, Rodney Sinclair

AUSTRALIAN FAMILY PHYSICIAN | ROYAL AUSTRALIAN COLLEGE GENERAL PRACTITIONERS | Published : 2017

Abstract

BACKGROUND: Cryosurgery is an effective, simple and inexpensive treatment used extensively in general practice and dermatology. It is used most commonly for actinic keratoses and warts; however, a large number of benign, premalignant and malignant skin diseases can also be treated. OBJECTIVE: The objective of this article is to help readers improve their cryosurgery technique. DISCUSSION: Application of the cryogenic agent (most commonly liquid nitrogen) to the skin induces rapid freezing followed by slow thawing. This produces cell injury, vascular stasis and occlusion, and inflammation. The quantity of cryogen delivered onto the skin (dose), technique, duration of thawing and amount of sur..

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