Lymph node size detected by magnetic resonance imaging for prediction of lymph node involvement in locally advanced cervical cancer
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1Department of Obstetrics and Gynecology, Faculty of Medicine, Selçuk University, Konya, Turkey. fazilavci01@hotmail.com.
Objective:
To investigate lymph node (LN) size detected by Magnetic Resonance Imaging (MRI) for prediction of LN involvement in locally advanced cervical cancer (LACC).
Patients And Methods:
A total of 55 cases diagnosed with LACC (IIB-IVA FIGO 2018) between 28 December 2010 and 30 October 2020 were evaluated in this retrospective study. LN involvement was evaluated in patients who underwent surgical staging and MRI. The prediction of LN involvement based on LN size on MRI was calculated statistically.
Results:
The mean age of 55 patients was 56 (33-78) years. For the cases, 76.4% were stage IIB, 12.7% were stage III, and 10.9% were stage IVA. Squamous cell histological type was detected with a rate of 90.9%. The cut-off value for pelvic LN diameter on MRI in predicting pelvic LN involvement was 18.5 mm, and the sensitivity and specificity values were calculated as 50.0% and 93.6%, respectively (p=0.027). The cut-off value for pelvic and para-aortic LN diameter on MRI in predicting pelvic and para-aortic LN involvement was 17.0 mm with a sensitivity of 41.7% and specificity of 88.4% (p=0.081).
Conclusions:
In LACC, prediction of LN involvement by LN diameter detected on MRI has moderate sensitivity and high specificity with a cut-off value of 17.0 mm.
