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Practical issues of intraoperative frozen section diagnosis of bone and soft tissue lesions
Marilyn M Bui1, Prudence Smith, Samuel V Agresta
1Anatomic Pathology Service, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL 33612, USA. marilyn.bui@moffitt.org
Background:
Intraoperative pathologic diagnosis of bone and soft tissue lesions is an important yet challenging tool in clinical musculoskeletal oncology practice. There is limited information in the literature addressing the practical issues commonly encountered regarding intraoperative frozen section of musculoskeletal lesions.
Methods:
A literature review and retrospective review of practical experience in intraoperative pathology consultation at our institute's sarcoma program were conducted to investigate the pitfalls and limitations of frozen section and potential solutions to overcome these problems.
Results:
Frozen section evaluation is an essential and reliable procedure for guiding intraoperative decisions. Intraoperative cytology as an adjunct to frozen section enhances the accuracy of diagnosis of bone and soft tissue lesions. Cytology can accurately diagnose certain entities alone and is superior to frozen section for certain tumor types and for evaluating bone marrow margins. It is also invaluable in triaging cases for ancillary studies and for tumor banking. Practical working protocols can be developed to optimize the usefulness of intraoperative pathologic consultation.
Conclusions:
Intraoperative pathology consultation should be done in an interdisciplinary approach by correlating clinical, radiologic, and pathologic information. As an adjunct to frozen section, cytology and gross examination enhance the accuracy of diagnosis of musculoskeletal lesions.