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HERDIN Record #: NCR-PHC-17031413284297 Submitted: 14 March 2017 Modified: 21 April 2017

Concordance of intraoperative frozen-section biopsy in Philippine Heart Center: a retrospective study.

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Frozen section is a very helpful ancillary procedure to the surgeon in guiding him in his decision intraoperatively. Legitimate indications include: (1) to establish the presence and nature of lesion; (2) to determine adequacy of surgical margins; and (3) to establish whether the tissue obtained contained diagnosable material or whether additional sampling is indicated. Based on several studies, the concordance of frozen section varies depending on the type of tissues. In this retrospective study (1994-2005), we reviewed and evaluated frozen section diagnosis in 109 lesions. The most common site for frozen section diagnosis was the mediastinum, followed by the lung and breast. There is a high concordance of frozen section in diagnosing mediastinal, pulmonary and breast lesions.

Because it is very difficult to diagnose lymphoma sometimes due to its resemblance to normal lymphoid tissues on
frozen section, there was 1 case of false negative diagnosis. This is also true in diagnosing breast tumor wherein a
single case of frozen section of a breast tissue had a deferred diagnosis. Frozen section has some limitations like
friable tissues, hemorrhagic sample, freezing artifacts and small sample. Sometimes, these pitfalls are unavoidable
and are causes of discordance. Furthermore, we recommend good communication between the surgeon and pathologist to avoid misdiagnosis.

Publication Type
Publication Sub Type
Journal Article, Original
Philippine Heart Center Journal
Publication Date
July-September 2006
LocationLocation CodeAvailable FormatAvailability
Philippine Heart Center Medical Library Fulltext Print Format

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