Comparative Pathologists: Ultimate Control Freaks Seeking Validation!:
2019
Definable, reproducible, and meaningful are elemental features of grading/scoring systems, while thoroughness, accuracy, and consistency are quality indicators of pathology reports. The expertise of pathologists is significantly underutilized when it is limited to rendering diagnoses. The opportunity to provide guidance on animal model development, experimental design, optimal sample collection, and data interpretation not only contributes to job satisfaction but also, more importantly, promotes validation of the pathology data. Keys to validation include standard operating procedures, experimental controls, and standardized nomenclature applied throughout the experimental design and execution, tissue sampling, and slide preparation, as well as the creation or adaptation and application of semiquantitative grading/scoring systems. Diagnostic drift, thresholds, mental noise, and various diurnal fluctuations strongly influence the repeatability of grading/scoring systems used by the same or different pathol...
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