Clinical Value of Peripheral Blood Circulating Tumor Cells Detection in Early Cervical Infiltrating Carcinoma Screening

CHEN Zhi-qiang; MI Xian-jun; LIU Jun; SU Nian-hua; YE Cai-guo; CHEN Ang; DUAN Li-feng; DAI Xin-zhen; XU Xiu-mei

Volume 50 Issue 3

May 2019

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JOURNAL OF SICHUAN UNIVERSITY (MEDICAL SCIENCES) > 2019 > 50(3): 415-419.

CHEN Zhi-qiang, MI Xian-jun, LIU Jun, et al. Clinical Value of Peripheral Blood Circulating Tumor Cells Detection in Early Cervical Infiltrating Carcinoma Screening[J]. Journal of Sichuan University (Medical Sciences), 2019, 50(3): 415-419.

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Clinical Value of Peripheral Blood Circulating Tumor Cells Detection in Early Cervical Infiltrating Carcinoma Screening

1.
Department of Pathology, Zhongshan Boai Hospital Affiliated to Southern Medical University, Zhongshan 528400, China
2.
Department of Pathology, Sun Yat-sen University Cancer Center, Guangzhou 510060, China
3.
Institute of Cancer Research, Zhongshan Hospital Affiliated to Zhongshan University, Zhongshan 528403, China
4.
Key Laboratory of Medical Molecular Diagnosis, Guangdong Province Affiliated to Guangdong Medical University, Dongguan 523808, China

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Corresponding author:
CHEN Ang, E-mail: 361782947@qq.com
Received Date: September 25, 2018
Revised Date: November 27, 2018
Available Online: October 28, 2019
Published Date: May 19, 2019

Abstract

Abstract

Objective To observe the difference of circulating tumor cells (CTC) in peripheral blood of patients with different degrees of cervical lesions, and to evaluate the effectiveness of CTC detection in screening early invasive cervical cancer.
Methods From December 2015 to October 2017, 63 cases of cervicitis, low-grade and high-grade intraepithelial lesions (LSIL, HSIL) and early invasive cervical cancer were confirmed by histopathological and clinical stages in Zhongshan Boai Hospital and Zhongshan Hospital Affiliated to Zhongshan University. The immunomagnetic bead negative enrichment technique combined with immunofluorescence was used. In situ hybridization (imFISH) was used to detect CTC in peripheral blood of patients. The positive rate and quantity of CTC in four groups were analyzed. The diagnostic efficacy of CTC in early invasive cervical cancer was evaluated based on the results of histopathological diagnosis and clinical staging.
Results ①The positive rates of CTC in cervicitis group, LSIL group, HSIL group and early invasive cervical cancer group were 0, 0, 19.05% and 84.13% respectively. The overall difference was statistically significant (χ²=504.00, P<0.05). The positive rate of CTC in early invasive cervical cancer group was higher than that in other groups (P<0.008 3). The positive rates of CTC in HSIL group were significantly different from those in LSIL group and cervicitis group (P<0.008 3). ②The average number (median) of CTC positive in cervicitis group, LSIL group, HSIL group and early invasive cervical cancer group was 0, 0, 1/4 mL, 3/4 mL, respectively. The average number of positive CTC in early invasive cervical cancer group was higher than that in other groups, and the difference was significant compared with other groups (P<0.008 3). The average number of CTC positive in HSIL group was significantly different from that in LSIL and cervicitis group (P<0.008 3). ③The sensitivity, specificity, coincidence rate, positive predictive value and negative predictive value of CTC positive results in the diagnosis of early invasive cervical cancer were 84.13%, 93.65%, 91.27%, 81.54% and 94.65%, respectively.
Conclusion CTC exists in patients with HSIL and early invasive cervical cancer. With the aggravation of cervical lesions, the positive rate and number of CTC test results increase. CTC detection in early invasive cervical cancer screening has a certain practical value in clinic.
- Circulating tumor cell,
- Cervical cancer,
- High-grade intraepithelial lesions,
- Low-grade intraepithelial lesions

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Clinical Value of Peripheral Blood Circulating Tumor Cells Detection in Early Cervical Infiltrating Carcinoma Screening

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