ArticleDiagnostic and interventional radiology (Ankara, Turkey)2019
Basal cell adenoma and myoepithelioma of the parotid gland: patterns of enhancement at two-phase CT in comparison with Warthin tumor.
Article in Diagnostic and interventional radiology (Ankara, Turkey), 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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5 citing papers in PubMed, 11 citations in OpenAlex.
- MRI and CT features of head and neck myoepithelioma: comparison with parotid pleomorphic adenoma.Japanese journal of radiology · 2026Article
- Parotid Gland Tumors: Molecular Diagnostic Approaches.International journal of molecular sciences · 2024Review
- Enhanced CT combined with texture analysis for differential diagnosis of pleomorphic adenoma and adenolymphoma.BMC medical imaging · 2023Article
- Quantitative dynamic contrast-enhanced MRI and readout segmentation of long variable echo-trains diffusion-weighted imaging in differentiating parotid gland tumors.Neuroradiology · 2021Article
- Comparison of Color Doppler Ultrasound Characteristics between Parotid Mucoepidermoid Carcinoma and Basal Cell Adenoma.Journal of medical ultrasoundArticle
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Authors and funding
5 authors at 2 institutions in 1 country.
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Abstract
purposeEarly enhancement and a washout pattern are reported to be the characteristic imaging features of Warthin tumor (WT). The purpose of this study was to evaluate the enhancement patterns of basal cell adenoma (BCA) and myoepithelioma (ME) of the parotid gland on two-phase computed tomography (CT), compared with WT.
methodsWe retrospectively evaluated two-phase CT examinations of histologically proven 19 BCAs, 12 MEs, and 23 WTs of the parotid gland. In all patients, CT scans were obtained at early and delayed phases with scanning delays of 40 and 180 s, respectively. We measured the attenuation values on each phase of CT scans and calculated washout attenuation and relative percentage enhancement washout ratio. From the data acquired, we statistically compared the enhancing characteristics among three tumor groups.
resultsBased on the results of washout attenuation and relative percentage enhancement washout ratio, 15 (79%) of 19 BCAs, 9 (75%) of 12 MEs, and 23 (100%) of 23 WTs demonstrated a washout pattern of enhancement on two-phase CT scans. Despite variations of the individual tumors, both parameters revealed no significant difference among three tumor groups.
conclusionBCAs and MEs of the parotid gland frequently show early enhancement and a washout pattern on two-phase CT, which can be indistinguishable from WTs in the majority of cases.
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