Diagnostic pathology · 2025
Application value of TPAS staining technique for cervical exfoliated cells in cervical cancer screening.
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Chen Guo, Zhang Wenli, HuYan Yuchen, Yang Yipching, Li Wensheng, Feng Guoqiang, Lu Zifan
Аннотация
BACKGROUND: Recent studies have shown that tumor cell membranes exhibit lower polarity than normal cell membranes, a characteristic that can be harnessed for cancer diagnosis. TPAS (viscosity-responsive plasma membrane probe), a recently developed staining method using cell membrane polarity probes, may selectively visualize cervical cancer cells by targeting membrane polarity differences, offering a potential new approach for cervical cancer screening.To investigate the diagnostic value of TPAS staining combined with liquid-based thin-layer cytological testing (TCT) and human papillomavirus (HPV) testing in detecting cervical cancer.
METHODS: A total of 100 patients with suspected cervical precancerous lesions from the People's Hospital of Shaanxi Province between May 2024 and May 2025 were studied. All patients underwent TPAS testing, HPV testing and TCT. Biopsy results were the gold standard for evaluating positivity rates and diagnostic values of the tests, both individually and in combination.
RESULTS: Among the 100 participants, the positive rates of the tests were as follows: TPAS detection rate was 86.7%, HPV detection rate was 80%, TCT rate 66.7%, and TCT + HPV rate was 35.00%. The combined TPAS + HPV testing showed higher accuracy (72.00%) and sensitivity(70.6%) than TCT + HPV (58.0%)and (54.1%), and the differences were statistically significant ((χ2 = 14.00,P = 0.0002).
CONCLUSION: TPAS combined with HPV testing has high specificity, sensitivity and accuracy, making it a promising approach for cervical cancer diagnosis.
METHODS: A total of 100 patients with suspected cervical precancerous lesions from the People's Hospital of Shaanxi Province between May 2024 and May 2025 were studied. All patients underwent TPAS testing, HPV testing and TCT. Biopsy results were the gold standard for evaluating positivity rates and diagnostic values of the tests, both individually and in combination.
RESULTS: Among the 100 participants, the positive rates of the tests were as follows: TPAS detection rate was 86.7%, HPV detection rate was 80%, TCT rate 66.7%, and TCT + HPV rate was 35.00%. The combined TPAS + HPV testing showed higher accuracy (72.00%) and sensitivity(70.6%) than TCT + HPV (58.0%)and (54.1%), and the differences were statistically significant ((χ2 = 14.00,P = 0.0002).
CONCLUSION: TPAS combined with HPV testing has high specificity, sensitivity and accuracy, making it a promising approach for cervical cancer diagnosis.