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Original ArticleOpen Access
The Accuracy of Intraoperative Frozen Sections in the Diagnosis of Ovarian Tumors
Wasinghon P 
,
Suthippintawong C ,
Tuipae S
,
Suthippintawong C ,
Tuipae S Objective: To determine whether frozen section evaluation of ovarian tumors can be used to establish a
histopathologic diagnosis and guide the surgeon to perform the appropriate surgical procedure.
Material and Method: Between January 2002 and December 2006, 376 ovarian specimens were submitted
for frozen section examination and received for permanent section evaluation. The accuracy, sensitivity,
specificity, and positive and negative predictive values of the frozen sections were studied.
Results: The overall accuracy was 87.8% while the inaccuracy was 12.2%. The sensitivity for malignant
tumors was 79.6%, the sensitivity for borderline tumors was 61.8%, and the sensitivity for benign tumors was
98.2%. The specificity for the benign tumors was 88.6%, 93.8% for borderline tumors, and 97.1% for malignancy.
The positive predictive value was 92.2% for benign tumors, 63% for borderline tumors, and 91.1% for
malignant tumors.
Conclusion: The present study confirms that frozen section diagnosis is a reliable method for the surgical
management of patients with ovarian masses.
Keywords: Ovarian tumor, Frozen section, Permanent section
histopathologic diagnosis and guide the surgeon to perform the appropriate surgical procedure.
Material and Method: Between January 2002 and December 2006, 376 ovarian specimens were submitted
for frozen section examination and received for permanent section evaluation. The accuracy, sensitivity,
specificity, and positive and negative predictive values of the frozen sections were studied.
Results: The overall accuracy was 87.8% while the inaccuracy was 12.2%. The sensitivity for malignant
tumors was 79.6%, the sensitivity for borderline tumors was 61.8%, and the sensitivity for benign tumors was
98.2%. The specificity for the benign tumors was 88.6%, 93.8% for borderline tumors, and 97.1% for malignancy.
The positive predictive value was 92.2% for benign tumors, 63% for borderline tumors, and 91.1% for
malignant tumors.
Conclusion: The present study confirms that frozen section diagnosis is a reliable method for the surgical
management of patients with ovarian masses.
Keywords: Ovarian tumor, Frozen section, Permanent section
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