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Identifying Cross Contaminants and Specimen Mix-ups in Surgical Pathology

Hunt, Jennifer L. MD

Advances in Anatomic Pathology: July 2008 - Volume 15 - Issue 4 - p 211-217
doi: 10.1097/PAP.0b013e31817bf596
Review Articles
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Maintaining patient identity throughout laboratory processing is critical for any diagnostic pathology laboratory. It has also been listed as a main National Patient Safety Goal for the Joint Commission Laboratory Goals. Most pathology facilities have excellent quality assurance programs and initiatives that include multiple checkpoints to ensure that specimen identity is carefully maintained. Even in the best laboratory operations, however, the potential for specimen mix-up, cross contamination, floaters, or carry-over artifacts cannot be eliminated completely. The work-up and analysis of these cases can be challenging to the pathologist for a number of reasons, including the fact that there is no standardized approach. This review discusses a standardized approach that includes clinical correlation, laboratory correlation, and laboratory analysis, potentially including a molecular DNA fingerprinting analysis. The methods and techniques behind DNA fingerprinting for tissue and sample identity are also discussed in detail.

Department of Anatomic Pathology, Cleveland Clinic, Cleveland, OH

Reprints: Jennifer L. Hunt, MD, Department of Anatomic Pathology, L25, Cleveland Clinic, 9500 Euclid Avenue, Cleveland, OH (e-mail: huntj2@ccf.org).

All figures can be viewed online in color at http://www.anatomicpathology.com.

© 2008 Lippincott Williams & Wilkins, Inc.