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MINERVA GINECOLOGICA

A Journal on Obstetrics and Gynecology


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Minerva Ginecologica 2008 August;60(4):267-72

language: English

Endometrial carcinoma: intraoperative evaluation of myometrial invasion A prospective study

Maneschi F. 1, Nardi S. 2, Sarno M. 1, Manicone A. M. 2, Perugini A. 1, Partenzi A. 2

1 Department of Ginecology and Obstetrics, S. Maria Goretti Hospital, Latina, Rome, Italy
2 Department of Pathology, S. Maria Goretti Hospital, Latina, Rome, Italy


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Aim. The authors investigated the diagnostic value of intraoperative assessment of myometrial invasion in endometrial cancer patients. Following hysterectomy, the uterus was sectioned and macroscopically examined in order to assess the depth of myoinvasion, which was classified as <50% and >50%. In patients with macroscopic depth of invasion >30% and <50%, a frozen section of this area was carried out. The results of intraoperative evaluation were compared with the results of postoperative pathological examination. The agreement between methods was developed as generalized Kappa type statistic. Sensitivity, specificity, positive and negative predictive values for intraoperative only macro and macro/micro evaluation were calculated.
Methods. Seventy eight consecutive patients (median age 64 years, range 43-92; median Body Mass Index [BMI] 30.5, range 21.9-46.7) who underwent total abdominal hysterectomy and bilateral salphingo-ophorectomy (THBSO) were included in the study. Following intraoperative macroscopic evaluation, frozen section was carried out in 15 (19%) patients. The median time to obtain the results was 16 min for macroscopic evaluation, and 29 min for the macro/micro assessment.
Results. Macroscopic only assessment correctly identified depth of myoinvasion in 91% of patients, while, when the frozen section was carried out, myoinvasion was correctly identified in 95% of patients. For macroscopic only and macro-micro assessment sensitivity and specificity were 76% and 98%, 86% and 98%, respectively.
Conclusion. These data suggest that the frozen section may improve, the diagnostic value of macroscopic only intraoperative assessment of myometrial invasion in selected patients.

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