Pathology oncology research : POR · 2025
Comparison of intraoperative frozen section consultation and hysterectomy characteristics in patients diagnosed with EIN in endometrial biopsies.
СтатьяСравнительное исследованиеНазвание и аннотация: Перевод пока не подготовлен
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Ege Hasan Volkan, Temiz Bilal Esat, Usubutun Alp, Ozdemir Deniz Ates, Atakul Muhammed Onur, Cengiz Murat, Akgor Utku, Basaran Derman, Gultekin Murat, Salman Mehmet Coskun, Tuncer Zafer Selcuk, Ozgul Nejat
Аннотация
OBJECTIVE: This study aimed to assess the likelihood of detecting cancer in final pathology and evaluate the accuracy of intraoperative frozen-section assessment in cases of endometrioid intraepithelial neoplasia (EIN).
MATERIAL AND METHODS: We included patients diagnosed with EIN at Hacettepe University Hospital who subsequently underwent hysterectomy at the same center between January 2011 and March 2023. EIN diagnoses made at other institutions were re-evaluated and confirmed by co-author gynecopathologists.
RESULTS: A total of 354 patients diagnosed with EIN underwent hysterectomy. The majority of patients (68.5%) had a final diagnosis of EIN. Endometrial cancer (EC) was identified in 11.3% (n = 40) of patients in the final pathology. Advanced age (≥50 years) (OR = 2.52; 95% CI: [1.27-4.96]; p = 0.006) and menopausal status (OR = 2.62; 95% CI: [1.34-5.11]; p = 0.004) were significantly associated with an increased risk of EC. Among 263 patients who underwent intraoperative frozen-section assessment, EC was detected in 12.9% (n = 34). The sensitivity and specificity of frozen-section assessment for EC detection were 41.1% and 100%, respectively. The frozen-section assessment failed to identify only one of the seven patients who required staging surgery.
CONCLUSION: Our study demonstrates that a preoperative EIN diagnosis carries an 11.3% risk of concurrent EC. Additionally, the likelihood of EC is significantly higher in older and postmenopausal patients. The majority of patients requiring staging surgery were identified by frozen-section assessment. Our findings indicate that frozen-section assessment provides the necessary information for adequate surgical treatment in EIN cases.
MATERIAL AND METHODS: We included patients diagnosed with EIN at Hacettepe University Hospital who subsequently underwent hysterectomy at the same center between January 2011 and March 2023. EIN diagnoses made at other institutions were re-evaluated and confirmed by co-author gynecopathologists.
RESULTS: A total of 354 patients diagnosed with EIN underwent hysterectomy. The majority of patients (68.5%) had a final diagnosis of EIN. Endometrial cancer (EC) was identified in 11.3% (n = 40) of patients in the final pathology. Advanced age (≥50 years) (OR = 2.52; 95% CI: [1.27-4.96]; p = 0.006) and menopausal status (OR = 2.62; 95% CI: [1.34-5.11]; p = 0.004) were significantly associated with an increased risk of EC. Among 263 patients who underwent intraoperative frozen-section assessment, EC was detected in 12.9% (n = 34). The sensitivity and specificity of frozen-section assessment for EC detection were 41.1% and 100%, respectively. The frozen-section assessment failed to identify only one of the seven patients who required staging surgery.
CONCLUSION: Our study demonstrates that a preoperative EIN diagnosis carries an 11.3% risk of concurrent EC. Additionally, the likelihood of EC is significantly higher in older and postmenopausal patients. The majority of patients requiring staging surgery were identified by frozen-section assessment. Our findings indicate that frozen-section assessment provides the necessary information for adequate surgical treatment in EIN cases.