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Expression of Transgenes in Native Bladder Urothelium Using Adenovirus-Mediated Transduction

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Published on: October 6, 2022

Micronucleus in atypical urothelial cells.

Sandeep Kumar Arora¹, Pranab Dey, Uma Nahar Saikia

¹Department of Cytology and Gynecologic Pathology, PGIMER, Chandigarh, India.

Diagnostic Cytopathology

|January 6, 2010

Summary

Micronuclei (MN) are reliable biomarkers for detecting malignancy in urine cytology. The presence of MN in atypical urothelial cells aids in distinguishing malignant from benign cases.

Area of Science:

Urothelial cell carcinoma
Cytopathology
Biomarkers

Background:

Urinary cytology is crucial for detecting urothelial carcinoma.
Distinguishing atypical urothelial cells requires reliable biomarkers.
Micronuclei (MN) are indicators of chromosomal instability.

Purpose of the Study:

To evaluate the diagnostic role of micronuclei (MN) in identifying atypical urothelial cells in urine cytology.
To assess MN as a potential biomarker for malignancy in urinary cytology.

Main Methods:

Retrospective analysis of 30 urine samples.
Comparison of 15 cases with atypical urothelial cells (later diagnosed as malignant) and 15 normal urothelial cell cases.
Quantification of MN in 1,000 urothelial cells per case.

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Main Results:

Micronuclei (MN) were present in all cases diagnosed with atypical urothelial cells.
The mean MN count in atypical urothelial cells was 2.53 ± 0.99%.
No MN were observed in normal urothelial cells, with a highly significant difference (P < 0.000) between groups.

Conclusions:

Micronuclei (MN) are significant biomarkers for malignancy in urine cytology.
The micronuclear score in atypical urothelial cells can assist in accurate diagnosis and management of urothelial carcinoma.