The influence of microcolpohysteroscopy on cone biopsy practice

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Abstract
The effect of microcolpohysteroscopic assessment of the endocervical canal to the squamo-columnar junction before cone biopsy was investigated. In 37 of 60 cases it was adjudged unnecessary to perform as long a biopsy as would normally be the case. Reductions in biopsy length in this group compared with patients having an intentionally long biopsy were achieved. In only one case where the biopsy length was reduced was there uncertainty as to completeness of excision of CIN at the endocervical resection margin. Microcolpohysteroscopic assessment was associated with a higher proportion of very short (up to I cm long) biopsies in women aged <40 and of parity <2; and a marked decrease in the incidence of incompletely excised CIN at the endocervical resection margin, when compared with cone biopsies not so assessed.

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