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Diagnostic value of supersonic shear impulse elastography for malignant cervical lymph nodes: a Bayesian analysis
Yuxuan Qiu1,2, Zhichao Xing2, Qianru Yang1
1Department of Ultrasound, Sichuan University West China Hospital, Chengdu, China.
Ultrasonography (Seoul, Korea)
|October 26, 2021
Summary
Supersonic impulse (SSI) elastography shows promise in differentiating malignant from benign cervical lymph nodes. This imaging technique, particularly using maximum and mean elastic modulus values, can aid clinical judgment in diagnosis.
Area of Science:
- Medical Imaging
- Diagnostic Technology
- Oncology
Background:
- Cervical lymph node assessment is crucial for cancer staging and treatment planning.
- Differentiating malignant from benign cervical lymph nodes can be challenging with conventional imaging methods.
Approach:
- A systematic review and meta-analysis of studies evaluating supersonic impulse (SSI) elastography for cervical lymph node diagnosis.
- Quantitative synthesis of diagnostic performance using a Bayesian bivariate model.
- Inclusion of 590 patients and 892 cervical lymph nodes.
Key Points:
- Supersonic impulse (SSI) elastography demonstrated significant differences in elastic modulus values between malignant and benign lymph nodes.
- For mean elastic modulus, sensitivity was 0.720 and specificity was 0.877 (AUC=0.845).
- For maximum elastic modulus, sensitivity was 0.809 and specificity was 0.816 (AUC=0.834).
Conclusions:
- Supersonic impulse (SSI) elastography is an acceptable imaging technique for diagnosing malignant cervical lymph nodes.
- The technique can serve as a complementary tool in clinical practice.
- Both maximum and mean elastic modulus values are important for clinical decision-making.
