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Journal Article
Review
Role of ultrasound in detection of lymph nodes metastasis in gynecological cancers: systematic review and meta-analysis.
Ultrasound in Obstetrics & Gynecology 2024 March 8
OBJECTIVE: To assess the diagnostic performance of transvaginal ultrasound (TVUS) for preoperative evaluation of lymph node metastasis in gynecological cancers.
METHODS: A systematic review and meta-analysis was performed. All studies published between January 1990 to May 2023 evaluating the role of ultrasound for detecting lymph node metastasis (index test) in gynecological cancers, using histopathological analysis, as reference standard were included. Quality was assessed using QUADAS-2. Pooled sensitivity, specificity and diagnostic odds ratio of TVUS were estimated.
RESULTS: The search identified 2638 citations. Eight studies comprising 967 women were included. The mean prevalence of pelvic lymph nodes metastasis was 24.2%, [14%-65.6%]. The risk of bias was low for most domains assessed. Overall pooled sensitivity, specificity and diagnostic odds ratio of TVUS were 41% (95% confidence interval [CI] =26%-58%), 98% (95%CI=93%-99%) and 32 (95%CI=14-72), respectively. Heterogeneity in TVUS evaluation was high between studies, both for sensitivity and specificity. No publication bias was found (p=0.46).
CONCLUSION: TVUS showed a high-pooled specificity for the detection of pelvic lymph node metastasis in gynecological cancers. However, pooled sensitivity was low. This article is protected by copyright. All rights reserved.
METHODS: A systematic review and meta-analysis was performed. All studies published between January 1990 to May 2023 evaluating the role of ultrasound for detecting lymph node metastasis (index test) in gynecological cancers, using histopathological analysis, as reference standard were included. Quality was assessed using QUADAS-2. Pooled sensitivity, specificity and diagnostic odds ratio of TVUS were estimated.
RESULTS: The search identified 2638 citations. Eight studies comprising 967 women were included. The mean prevalence of pelvic lymph nodes metastasis was 24.2%, [14%-65.6%]. The risk of bias was low for most domains assessed. Overall pooled sensitivity, specificity and diagnostic odds ratio of TVUS were 41% (95% confidence interval [CI] =26%-58%), 98% (95%CI=93%-99%) and 32 (95%CI=14-72), respectively. Heterogeneity in TVUS evaluation was high between studies, both for sensitivity and specificity. No publication bias was found (p=0.46).
CONCLUSION: TVUS showed a high-pooled specificity for the detection of pelvic lymph node metastasis in gynecological cancers. However, pooled sensitivity was low. This article is protected by copyright. All rights reserved.
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