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Prognostic factors in microinvasive cervical squamous cell cancer: long-term results
Authors:F. Raspagliesi,A. Ditto,P. Quattrone&dagger  ,E. Solima,R. Fontanelli,V. Dousias,S. Kusamura,&   M. L. Carcangiu&dagger  
Affiliation:Department of Gynecology/Oncology, Istituto per lo Studio e la Cura dei Tumori, Via Venezian 1, 20133 Milan, Italy. francesco.raspagliesi@istitutotumori.mi.it
Abstract:
We examined tumor-related pathologic factors and cone-related characteristics to identify parameters related to recurrence in microinvasive squamous cell carcinoma of the cervix treated with conization. This is a retrospective study on 67 consecutive cases of microinvasive carcinoma of the cervix [depth of invasion (DI) < 3 mm] treated with conization. The mean follow-up was 121 months (range 72-276 months). Four (6%) invasive recurrences were observed. Presence of lymphvascular space involvement (LVSI) was significantly related with recurrences (P < 0.05). The mean distance between tumor margin and apex of the cone (apical clearance) was 10.6 mm (range 5-22 mm), and the mean distance between lateral border of the cone and tumor margin (lateral clearance) was 6.5 mm (range 1.7-15 mm). We adopted cut-off values of 10 and 8 mm for apical and lateral clearances, respectively. We found a statistically significant difference between apical clearance and recurrence rate (P < 0.02). The LVSI was, other than DI, an important prognostic factor. Apical clearance was significantly correlated with recurrence. The cone-related characteristics, other than tumor-related pathologic factors, could help the decision concerning the definitive therapy for microinvasive carcinoma of the cervix.
Keywords:conization    microinvasive cervical carcinoma    recurrences
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