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Updated: Feb 12, 2026

Diagnosis and Surgical Treatment of Human Brucellar Spondylodiscitis
Published on: May 23, 2021
The Effect of Mental Rotation on Surgical Pathological Diagnosis
Heejung Park1,2, Hyun Soo Kim3, Yoon Jin Cha4
1Department of Pathology, National Health Insurance Service Ilsan Hospital, Goyang, Korea.
Purpose:
Pathological diagnosis involves very delicate and complex consequent processing that is conducted by a pathologist. The recognition of false patterns might be an important cause of misdiagnosis in the field of surgical pathology. In this study, we evaluated the influence of visual and cognitive bias in surgical pathologic diagnosis, focusing on the influence of "mental rotation."
Materials And Methods:
We designed three sets of the same images of uterine cervix biopsied specimens (original, left to right mirror images, and 180-degree rotated images), and recruited 32 pathologists to diagnose the 3 set items individually.
Results:
First, the items found to be adequate for analysis by classical test theory, Generalizability theory, and item response theory. The results showed statistically no differences in difficulty, discrimination indices, and response duration time between the image sets.
Conclusion:
Mental rotation did not influence the pathologists' diagnosis in practice. Interestingly, outliers were more frequent in rotated image sets, suggesting that the mental rotation process may influence the pathological diagnoses of a few individual pathologists.
Insights
Mental rotation did not significantly impact surgical pathology diagnoses. However, rotated images led to more outliers, suggesting a potential influence on a small number of pathologists.
Area of Science:
- Pathology
- Medical Diagnostics
- Cognitive Science
Background:
- Pathological diagnosis is complex and prone to misdiagnosis due to pattern recognition errors.
- Visual and cognitive biases can affect diagnostic accuracy in surgical pathology.
- Mental rotation, a cognitive process, has not been extensively studied in this context.
Purpose of the Study:
- To investigate the influence of mental rotation on diagnostic accuracy in surgical pathology.
- To evaluate how image manipulation (rotation, mirroring) affects pathologists' diagnostic decisions.
- To identify potential biases in pathological interpretation.
Main Methods:
- Three sets of uterine cervix biopsy images were prepared: original, mirrored, and 180-degree rotated.
- 32 pathologists independently diagnosed each set of images.
- Statistical analyses including classical test theory, Generalizability theory, and item response theory were applied.
Main Results:
- No statistically significant differences were found in image difficulty, discrimination indices, or response times across the image sets.
- The diagnostic performance of pathologists was consistent across original, mirrored, and rotated images.
- Outlier diagnoses were more frequent in the rotated image sets.
Conclusions:
- Mental rotation does not appear to influence the diagnostic outcomes for most pathologists in practice.
- A subset of pathologists may experience altered diagnoses due to mental rotation, indicated by increased outliers in rotated image sets.
- Further research is needed to understand the specific cognitive mechanisms underlying these outlier cases.
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