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- Title
Chromogranin A as a diagnostic marker of pheochromocytoma and paraganglioma: A systematic review and meta‐analysis.
- Authors
Xing, Yanbo; Shi, Haoying; Guo, Qiang; Wang, Cong; Li, Chengyong; Hao, Chuan
- Abstract
Objectives: This work aims to assess the diagnostic value of chromogranin A (CgA) in the laboratory diagnosis of neuroendocrine tumors classified as pheochromocytoma and paraganglioma (PPGL). Methods: A comprehensive search was performed in PubMed, Embase, the Cochrane Library, and Web of Science databases to obtain relevant studies reporting the diagnostic accuracy of CgA in patients with PPGL. The search involved studies written in English between the time of library inception and May 1, 2023. We computed the pooled sensitivity, specificity, and diagnostic odds ratio (DOR). Additionally, the receiver operating characteristic curve and area under the curve (AUC) were determined. The heterogeneity was assessed using the Chi‐square test and the I2 test. The subgroup analyses were performed to investigate the origins of heterogeneity. Stata 15.1 statistical software was used in all data analyses. Results: This meta‐analysis included 13 studies involving 1470 patients. CgA had a pooled diagnostic sensitivity of 0.86 (95% CI 0.81–0.91), a specificity of 0.90 (95% CI 0.81–0.95), and a DOR of 57 (95% CI 23–142). CgA had an AUC of 0.93. The studies did not reveal any threshold effect (r = −0.165; p > 0.05). The subgroup analyses revealed that the control group category and the detection method caused the overall heterogeneity. Conclusions: Our study suggests that CgA is a helpful PPGL biomarker. However, relying solely on CgA for diagnosis is not advisable. A comprehensive approach is essential for accurate diagnosis. Future large‐scale research is needed to refine CgA's clinical application.
- Subjects
PARAGANGLIOMA; PHEOCHROMOCYTOMA; RECEIVER operating characteristic curves; NEUROENDOCRINE tumors; WEB databases
- Publication
International Journal of Urology, 2024, Vol 31, Issue 6, p637
- ISSN
0919-8172
- Publication type
Article
- DOI
10.1111/iju.15423