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Updated: May 22, 2026

A Murine Orthotopic Bladder Tumor Model and Tumor Detection System
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A Murine Orthotopic Bladder Tumor Model and Tumor Detection System

Published on: January 12, 2017

Bladder cancer detection using electrical impedance technique (tabriz mark 1).

Ahmad Keshtkar1, Zeinab Salehnia, Asghar Keshtkar

  • 1Medical Physics Department, Medical Faculty, Tabriz University of Medical Sciences, Tabriz, Iran.

Pathology Research International
|May 9, 2012
PubMed
Summary

Electrical impedance spectroscopy (EIS) shows promise for bladder cancer screening. This minimally invasive technique can differentiate malignant from non-malignant bladder tissues, offering a potentially more comfortable diagnostic alternative.

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Area of Science:

  • Urology
  • Oncology
  • Biomedical Engineering

Background:

  • Bladder cancer is a significant health concern, ranking as the fourth most common cancer in men and eighth in women.
  • Current diagnostic methods like cystoscopy involve invasive procedures, leading to patient discomfort and potential morbidity.
  • There is a need for less invasive and more accurate methods for detecting bladder cancer and abnormalities.

Purpose of the Study:

  • To explore the feasibility of electrical impedance spectroscopy (EIS) as a minimally invasive screening technique for bladder cancer.
  • To evaluate EIS's ability to differentiate between malignant and non-malignant bladder tissues.
  • To compare EIS measurements with histopathological evaluations of bladder lesions.

Main Methods:

  • Ex vivo studies were conducted using bladder tissue samples.

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  • Electrical impedance measurements were taken from 30 malignant and 100 non-malignant tissue points.
  • Measurements were correlated with biopsy-based histopathological reports.

    • Main Results:

    • Electrical impedance measurements demonstrated significantly higher impedivity in malignant bladder tissue compared to non-malignant tissue (P < 0.005).
    • EIS effectively distinguished between cancerous and healthy bladder tissue areas.
    • The findings support the potential of EIS in identifying bladder abnormalities.

    Conclusions:

    • Electrical impedance spectroscopy is a viable minimally invasive technique for differentiating malignant from non-malignant bladder tissues.
    • EIS shows potential for enhancing bladder cancer screening and diagnosis during procedures like cystoscopy.
    • Further research can validate EIS as a complementary tool to traditional histopathology.