THE RANKING OF COLPOSCOPY AND PORTIOBIOPS Y IN PREVENTIVE CARE EXAMINATIONS

133 patients attending the colposcopy-laser outpatient consultations w ere examined simultaneously by cytology, colposcopy and punch biopsy. A cone biopsy was taken 25 patients and one patient was hysterectomise d later. A comparison between cytology and histology revealed 17.1 % f alse negative smear results. Cytology and histology showed the same re sult in 84.6 %. The highest percentage of high-grade dysplasia was fou nd in colposcopy with signs of punctation and / or mosaicism. A simila r diagnosis was achieved in 92.3 % of cases comparing punch with cone biopsy. Simultaneous use of cytology, colposcopy and punch biopsy enab les reliable diagnosis and follow-up of dysplastic lesions of the cerv ix. Besides, one can use punch biopsy as basic histology for local des tructive manoeuvres such as laser vaporisation.