A new conization instrument makes use of an adjustable, disposable blade, the arc of which can be varied, depending on the amount of tissue to be removed; the arc is preset before the cut is started. The deepest portion of the cutting instrument is always directed toward the cervical canal. The advantages of cold conization are its diagnostic reliability, value in scientific study of the region, therapeutic efficiency, and probable high prophylactic value. Points against cold conization are fears of hemorrhage (immediate and late), cervical stenosis, and the possibility of interference with parturition. These factors become insignificant when one considers the consequences of one undiscovered malignancy. The therapeutic value of cold conization in restoring a diseased, symptomatic cervix to health is also of great importance.
Fleming AR. ADVANTAGES OF COLD CONIZATION: INTRODUCTION OF A NEW INSTRUMENT. JAMA. 1958;168(7):886–889. doi:10.1001/jama.1958.03000070042009
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