Factors associated with cone margin involvement in CIN patients undergoing conization-equivalent electrosurgical procedure

Silvano Costa, Maria De Nuzzo, Patrizia Terzano, Donatella Santini, Pia De Simone, Alessandro Bovicelli, Luciano Bovicelli, Lauro Bucchi

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Abstract

Background. Most studies of cervical conization have considered the frequency of complications and the outcome of follow-up. The determinants of cone margin positivity have been inadequately described. In a series of CIN patients undergoing conization-equivalent electrosurgical procedure, we evaluated the factors associated with (i) any cone margin involvement, and (ii) endocervical margin involvement (with or without other locations) as contrasted with all other conditions. Methods. Study population included 718 patients. Potential determinants of margin involvement were or were treated as categorical. Univariate analysis was based on the chi-square test. Multivariate associations were estimated by multiple logistic regression models. Results. Cone margin involvement was observed in a total of 195 patients (27%). In univariate analysis, the frequency was positively related to histologic grade, time period, lesion size, and cone width and depth. In multivariate analysis, histology diagnosis and time period retained a strong association. The effect of lesion size was of borderline significance. The endocervical location emerged as a multivariate determinant of margin positivity. The effect of cone width and depth was not confirmed. Endocervical margin involvement was observed in 98 cases (14%). In univariate analysis, the frequency was positively associated with histologic grade, time period, and age, and inversely related to the visibility of the squamous-columnar junction. Multivariate analysis confirmed the strong effect of histology diagnosis and time period. The association with age and visibility of the squamous-columnar junction was weaker. Conclusions. Histology diagnosis and time period were the strongest determinants of cone margin involvement. Endocervical margin positivity was also related to patient age and visibility of the squamous-columnar junction. Cone width and depth had no protective effect.

Original languageEnglish
Pages (from-to)586-592
Number of pages7
JournalActa Obstetricia et Gynecologica Scandinavica
Volume79
Issue number7
DOIs
Publication statusPublished - 2000

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Conization
Histology
Multivariate Analysis
Logistic Models
Chi-Square Distribution
Population

Keywords

  • Cervical cone margins
  • Cervical intraepithelial neoplasia
  • Electrosurgical cervical conization
  • Multivariate analysis

ASJC Scopus subject areas

  • Obstetrics and Gynaecology

Cite this

Factors associated with cone margin involvement in CIN patients undergoing conization-equivalent electrosurgical procedure. / Costa, Silvano; De Nuzzo, Maria; Terzano, Patrizia; Santini, Donatella; De Simone, Pia; Bovicelli, Alessandro; Bovicelli, Luciano; Bucchi, Lauro.

In: Acta Obstetricia et Gynecologica Scandinavica, Vol. 79, No. 7, 2000, p. 586-592.

Research output: Contribution to journalArticle

Costa, Silvano ; De Nuzzo, Maria ; Terzano, Patrizia ; Santini, Donatella ; De Simone, Pia ; Bovicelli, Alessandro ; Bovicelli, Luciano ; Bucchi, Lauro. / Factors associated with cone margin involvement in CIN patients undergoing conization-equivalent electrosurgical procedure. In: Acta Obstetricia et Gynecologica Scandinavica. 2000 ; Vol. 79, No. 7. pp. 586-592.
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abstract = "Background. Most studies of cervical conization have considered the frequency of complications and the outcome of follow-up. The determinants of cone margin positivity have been inadequately described. In a series of CIN patients undergoing conization-equivalent electrosurgical procedure, we evaluated the factors associated with (i) any cone margin involvement, and (ii) endocervical margin involvement (with or without other locations) as contrasted with all other conditions. Methods. Study population included 718 patients. Potential determinants of margin involvement were or were treated as categorical. Univariate analysis was based on the chi-square test. Multivariate associations were estimated by multiple logistic regression models. Results. Cone margin involvement was observed in a total of 195 patients (27{\%}). In univariate analysis, the frequency was positively related to histologic grade, time period, lesion size, and cone width and depth. In multivariate analysis, histology diagnosis and time period retained a strong association. The effect of lesion size was of borderline significance. The endocervical location emerged as a multivariate determinant of margin positivity. The effect of cone width and depth was not confirmed. Endocervical margin involvement was observed in 98 cases (14{\%}). In univariate analysis, the frequency was positively associated with histologic grade, time period, and age, and inversely related to the visibility of the squamous-columnar junction. Multivariate analysis confirmed the strong effect of histology diagnosis and time period. The association with age and visibility of the squamous-columnar junction was weaker. Conclusions. Histology diagnosis and time period were the strongest determinants of cone margin involvement. Endocervical margin positivity was also related to patient age and visibility of the squamous-columnar junction. Cone width and depth had no protective effect.",
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AU - Costa, Silvano

AU - De Nuzzo, Maria

AU - Terzano, Patrizia

AU - Santini, Donatella

AU - De Simone, Pia

AU - Bovicelli, Alessandro

AU - Bovicelli, Luciano

AU - Bucchi, Lauro

PY - 2000

Y1 - 2000

N2 - Background. Most studies of cervical conization have considered the frequency of complications and the outcome of follow-up. The determinants of cone margin positivity have been inadequately described. In a series of CIN patients undergoing conization-equivalent electrosurgical procedure, we evaluated the factors associated with (i) any cone margin involvement, and (ii) endocervical margin involvement (with or without other locations) as contrasted with all other conditions. Methods. Study population included 718 patients. Potential determinants of margin involvement were or were treated as categorical. Univariate analysis was based on the chi-square test. Multivariate associations were estimated by multiple logistic regression models. Results. Cone margin involvement was observed in a total of 195 patients (27%). In univariate analysis, the frequency was positively related to histologic grade, time period, lesion size, and cone width and depth. In multivariate analysis, histology diagnosis and time period retained a strong association. The effect of lesion size was of borderline significance. The endocervical location emerged as a multivariate determinant of margin positivity. The effect of cone width and depth was not confirmed. Endocervical margin involvement was observed in 98 cases (14%). In univariate analysis, the frequency was positively associated with histologic grade, time period, and age, and inversely related to the visibility of the squamous-columnar junction. Multivariate analysis confirmed the strong effect of histology diagnosis and time period. The association with age and visibility of the squamous-columnar junction was weaker. Conclusions. Histology diagnosis and time period were the strongest determinants of cone margin involvement. Endocervical margin positivity was also related to patient age and visibility of the squamous-columnar junction. Cone width and depth had no protective effect.

AB - Background. Most studies of cervical conization have considered the frequency of complications and the outcome of follow-up. The determinants of cone margin positivity have been inadequately described. In a series of CIN patients undergoing conization-equivalent electrosurgical procedure, we evaluated the factors associated with (i) any cone margin involvement, and (ii) endocervical margin involvement (with or without other locations) as contrasted with all other conditions. Methods. Study population included 718 patients. Potential determinants of margin involvement were or were treated as categorical. Univariate analysis was based on the chi-square test. Multivariate associations were estimated by multiple logistic regression models. Results. Cone margin involvement was observed in a total of 195 patients (27%). In univariate analysis, the frequency was positively related to histologic grade, time period, lesion size, and cone width and depth. In multivariate analysis, histology diagnosis and time period retained a strong association. The effect of lesion size was of borderline significance. The endocervical location emerged as a multivariate determinant of margin positivity. The effect of cone width and depth was not confirmed. Endocervical margin involvement was observed in 98 cases (14%). In univariate analysis, the frequency was positively associated with histologic grade, time period, and age, and inversely related to the visibility of the squamous-columnar junction. Multivariate analysis confirmed the strong effect of histology diagnosis and time period. The association with age and visibility of the squamous-columnar junction was weaker. Conclusions. Histology diagnosis and time period were the strongest determinants of cone margin involvement. Endocervical margin positivity was also related to patient age and visibility of the squamous-columnar junction. Cone width and depth had no protective effect.

KW - Cervical cone margins

KW - Cervical intraepithelial neoplasia

KW - Electrosurgical cervical conization

KW - Multivariate analysis

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