Deep loop excision for prehysterectomy endocervical evaluation


      OBJECTIVE: Our purpose was to determine whether office deep loop excision should replace cone biopsy for frozen-section endocervical evaluation before planned hysterectomy. STUDY DESIGN: This cohort study comprised 31 patients who underwent office deep loop excision with frozen-section analysis followed by hysterectomy and 50 historic controls who underwent cone biopsy with frozen-section analysis followed by hysterectomy. Diagnostic accuracy, margin status, presence of residual disease, morbidity, and cost were compared. RESULTS: Loop excision frozen sections had sensitivity (ectocervical specimen, 96%; deepest endocervical specimen, 93%), specificity (100%, 86%), and positive (100%, 88%) and negative (75%, 92%) predictive values similar to those of frozen cone biopsy (95%, 80%, 98%, and 67%, respectively). No differences in margin status, presence of residual dysplasia, or morbidity were observed. The shorter operating room time for vaginal hysterectomy after loop excision (p < 0.01) resulted in an approximate $2000 savings. CONCLUSION: Office loop excision is a cost-effective option for endocervical evaluation before planned hysterectomy. (Am J Obstet Gynecol 1997;176:82-6.)


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