A Combination of Cell Findings Improves the Accuracy of Voided Urine Cytology

Introduction: Urine cytology is a morphological diagnostic test that is, patient-friendly and easy to sample but subjective in morphological evaluation. This study aims to evaluate the effect of combining cell findings to assess urine cytology. Materials and Methods: Thirty cell findings found in hi...

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Main Authors: Sachiko Iwai, Mitsuru Kinjo
Format: Article
Language:English
Published: Wolters Kluwer Medknow Publications 2024-12-01
Series:Journal of Cytology
Subjects:
Online Access:https://doi.org/10.4103/joc.joc_10_24
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author Sachiko Iwai
Mitsuru Kinjo
author_facet Sachiko Iwai
Mitsuru Kinjo
author_sort Sachiko Iwai
collection DOAJ
description Introduction: Urine cytology is a morphological diagnostic test that is, patient-friendly and easy to sample but subjective in morphological evaluation. This study aims to evaluate the effect of combining cell findings to assess urine cytology. Materials and Methods: Thirty cell findings found in high-grade urothelial carcinoma (HGUC) were selected for morphological abnormalities, each with detailed definitions. All 66 HGUC and 30 benign cases were examined for morphological abnormalities. The number of cases with at least one abnormal cell finding deviating from normal cells was used. The HGUC and benign cases were compared using significance difference tests. Using the cell findings extracted by the exact tests, discriminant analysis was performed to determine the valid cell findings for HGUC diagnosis. Results: There was a difference in the detection rate of abnormal findings between HGUC and benign cases. Additionally, 20 cell findings were detected significantly more frequently in patients with HGUC. Furthermore, the discriminant analysis revealed that six cellular findings (high nucleus-to-cytoplasm ratio, hyperchromasia, eccentric nuclei, nuclear protrusion, unevenly distributed chromatin, and irregular nuclear shape) showed high accuracy in confirming the diagnosis of HGUC. Conclusions: Five- to six-cell findings were individually valid; however, the combination of cell findings is crucial for an objective and accurate diagnosis of HGUC.
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spelling doaj-art-31992ace5895441098fb102665dede442025-01-14T11:22:54ZengWolters Kluwer Medknow PublicationsJournal of Cytology0970-93710974-51652024-12-0141418319110.4103/joc.joc_10_24A Combination of Cell Findings Improves the Accuracy of Voided Urine CytologySachiko IwaiMitsuru KinjoIntroduction: Urine cytology is a morphological diagnostic test that is, patient-friendly and easy to sample but subjective in morphological evaluation. This study aims to evaluate the effect of combining cell findings to assess urine cytology. Materials and Methods: Thirty cell findings found in high-grade urothelial carcinoma (HGUC) were selected for morphological abnormalities, each with detailed definitions. All 66 HGUC and 30 benign cases were examined for morphological abnormalities. The number of cases with at least one abnormal cell finding deviating from normal cells was used. The HGUC and benign cases were compared using significance difference tests. Using the cell findings extracted by the exact tests, discriminant analysis was performed to determine the valid cell findings for HGUC diagnosis. Results: There was a difference in the detection rate of abnormal findings between HGUC and benign cases. Additionally, 20 cell findings were detected significantly more frequently in patients with HGUC. Furthermore, the discriminant analysis revealed that six cellular findings (high nucleus-to-cytoplasm ratio, hyperchromasia, eccentric nuclei, nuclear protrusion, unevenly distributed chromatin, and irregular nuclear shape) showed high accuracy in confirming the diagnosis of HGUC. Conclusions: Five- to six-cell findings were individually valid; however, the combination of cell findings is crucial for an objective and accurate diagnosis of HGUC.https://doi.org/10.4103/joc.joc_10_24combination of cell findingsdiagnostic accuracyhigh-grade urothelial carcinomaimportant cell findingsvoided urine cytology
spellingShingle Sachiko Iwai
Mitsuru Kinjo
A Combination of Cell Findings Improves the Accuracy of Voided Urine Cytology
Journal of Cytology
combination of cell findings
diagnostic accuracy
high-grade urothelial carcinoma
important cell findings
voided urine cytology
title A Combination of Cell Findings Improves the Accuracy of Voided Urine Cytology
title_full A Combination of Cell Findings Improves the Accuracy of Voided Urine Cytology
title_fullStr A Combination of Cell Findings Improves the Accuracy of Voided Urine Cytology
title_full_unstemmed A Combination of Cell Findings Improves the Accuracy of Voided Urine Cytology
title_short A Combination of Cell Findings Improves the Accuracy of Voided Urine Cytology
title_sort combination of cell findings improves the accuracy of voided urine cytology
topic combination of cell findings
diagnostic accuracy
high-grade urothelial carcinoma
important cell findings
voided urine cytology
url https://doi.org/10.4103/joc.joc_10_24
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