ArticleExperimental and therapeutic medicine2025
Diagnostic accuracy of ultrasound and MRI in parotid gland tumors: A retrospective study.
Article in Experimental and therapeutic medicine, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Letter to the Editor: Advancing parotid tumor diagnosis-insights and limitations of viscoelastic imaging.European radiology · 2026Article
- Multiparametric Ex Vivo Evaluation of Parotid Tumors: Feasibility and Preliminary Results.NMR in biomedicine · 2026Article
- Contemporary Management of Malignancies of the Parotid Gland: A State-of-the-Art Review.Otolaryngology--head and neck surgery : official journal of American Academy of Otolaryngology-Head and Neck Surgery · 2026Review
- Differential Diagnosis of Parotid Tumors on Ultrasound: Interobserver Variability and Examiner-Specific Decision Rules-A Machine Learning Approach.Diagnostics (Basel, Switzerland) · 2026Article
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Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Parotid gland tumors (PGTs) are the most common salivary gland neoplasms, encompassing diverse benign and malignant pathologies. Accurate preoperative diagnosis is vital for surgical planning, functional outcomes (e.g., facial nerve preservation), and prognosis. While histopathology remains the gold standard, non-invasive imaging, such as ultrasound (US) and MRI, plays a critical role in initial tumor characterization. US is widely used due to its accessibility and cost-effectiveness, but its utility is constrained by acoustic limitations and operator dependence. MRI, with superior soft tissue contrast and multiplanar capabilities, excels in delineating tumor extent and neural involvement but often struggles to differentiate benign from malignant lesions due to overlapping imaging features. The comparisons of diagnostic performance between US and MRI limited, and optimal imaging parameters for specific PGT subtypes remain underinvestigated. The aim of the present study was to review and summarize the clinical presentations and histological types of parotid tumors, whilst also evaluating the diagnostic accuracy of US and MRI, to determine optimal US imaging parameters for pleomorphic adenomas and Warthin tumors. The medical records, including imaging examination results, type of parotidectomy and postoperative pathological findings, of 214 patients with confirmed PGTs were collected from the database of Central Hospital of Wuhan (Wuhan, China). The nature of the tumor was assessed based on imaging findings (US and MRI), with postoperative pathology (hematoxylin and eosin and immunohistochemistry) used as the gold standard. The sensitivity, specificity, accuracy, positive predictive value (PPV) and negative predictive value (NPV) for US and MRI were established. The area under the curve (AUC) was computed to compare the accuracy of US and MRI in identifying the nature of parotid gland tumors. The Youden index was calculated to evaluate the diagnostic power. Data analysis was conducted using SPSS version 29.0, where statistical significance was set at P<0.05 using the χ
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