Article
Radiology, Nuclear Medicine & Medical Imaging
Min Ju Kim, Kyung A. Kang, Chan Kyo Kim, Sung Yoon Park
Summary: The study investigated the agreement between wash-out and wash-in CT in diagnosing hyperattenuating adrenal lesions, finding that wash-in CT may potentially replace wash-out CT for most patients.
EUROPEAN RADIOLOGY
(2023)
Editorial Material
Radiology, Nuclear Medicine & Medical Imaging
John W. Kirkland, Jason M. Zhao, Nathan E. McWhorter, Kevin P. Banks
Summary: Oncocytomas in the parotid gland are rare benign neoplasms composed of mitochondrial-rich oncocytes. Tc-99m-sestamibi scintigraphy and SPECT/CT are effective in localizing these tumors, which typically exhibit focal intense uptake of radiotracer. The hyperattenuating nature of parotid gland oncocytomas can be confirmed through imaging modalities like SPECT/CT.
CLINICAL NUCLEAR MEDICINE
(2021)
Article
Dentistry, Oral Surgery & Medicine
Xue-Meng Shen, Liang Mao, Zhi-Yi Yang, Zi-Kang Chai, Ting-Guan Sun, Yongchao Xu, Zhi-Jun Sun
Summary: This study demonstrates the application of a deep learning-based method for preoperative stratification of parotid gland tumors (PGTs). The model's performance is comparable to that of practicing clinicians and provides assistance for junior clinicians in distinguishing benign from malignant PGTs.
Article
Radiology, Nuclear Medicine & Medical Imaging
Nan Huang, Yu Chen, Dejun She, Zhen Xing, Tanhui Chen, Dairong Cao
Summary: The combined use of DKI and DCE-MRI can help differentiate different types of parotid gland tumors, improving diagnostic accuracy.
EUROPEAN RADIOLOGY
(2022)
Article
Oncology
Yang Lu, Haifeng Liu, Qi Liu, Siqi Wang, Zuhui Zhu, Jianguo Qiu, Wei Xing
Summary: This study evaluated the accuracy of stratifying parotid gland tumors based on noncontrast CT images using radiomics features and identified the best classifier for different radiomics models. The results showed that noncontrast CT-based radiomics could effectively stratify refined pathological types of parotid tumors, but were insufficient in differentiating between pleomorphic adenoma (PA) and basal cell adenoma (BCA). Different classifiers had the best diagnostic performance for different parotid tumors. This study contributes to the current knowledge on the differential diagnosis of parotid tumors.
FRONTIERS IN ONCOLOGY
(2023)
Article
Endocrinology & Metabolism
Wiebke Schloetelburg, Ines Ebert, Bernhard Petritsch, Andreas Max Weng, Ulrich Dischinger, Stefan Kircher, Andreas Konrad Buck, Thorsten Alexander Bley, Timo Deutschbein, Martin Fassnacht
Summary: This study aimed to evaluate the diagnostic accuracy of delayed wash-out CT in the diagnosis of adrenal incidentalomas and determine thresholds to differentiate adrenal masses accurately. The results showed that using established thresholds of absolute percentage wash-out (APW) and relative percentage wash-out (RPW) is unreliable for diagnosing adrenal masses. When using the proposed RPW threshold of 58%, malignant tumors can be correctly identified, but the diagnostic accuracy for benign tumors is low.
EUROPEAN JOURNAL OF ENDOCRINOLOGY
(2022)
Article
Radiology, Nuclear Medicine & Medical Imaging
Menglong Zheng, Qi Chen, Yaqiong Ge, Liping Yang, Yulong Tian, Chang Liu, Peng Wang, Kexue Deng
Summary: This study aimed to investigate the diagnostic performance of a radiomics nomogram based on contrast-enhanced CT images in differentiating the two most common benign parotid gland tumors. The radiomics model showed good discrimination and the radiomics nomogram displayed excellent predictive capability for differentiating the two tumor types. The combined radiomics nomogram provided superior clinical usefulness compared to the clinical factor model and radiomics model.
Article
Radiology, Nuclear Medicine & Medical Imaging
Baomin Feng, Zhou Wang, Jingjing Cui, Jiacun Li, Han Xu, Dexin Yu, Qingshi Zeng, Jianjun Xiu
Summary: This study developed a comprehensive radiomics prediction model using clinical data and enhanced CT to differentiate between parotid polymorphic adenomas (PAs) and Warthin tumors (WTs). The model was validated and tested on a multicenter cohort, showing satisfactory predictive values.
ACADEMIC RADIOLOGY
(2023)
Article
Endocrinology & Metabolism
Anders Sundin
Summary: With the increasing use of cross-sectional imaging, incidental findings of adrenal tumors are on the rise, necessitating accurate diagnosis and characterization of these tumors. Current research suggests that calculation of CT contrast medium washout may not be suitable for characterizing adrenal tumors, which is crucial for patient management.
EUROPEAN JOURNAL OF ENDOCRINOLOGY
(2022)
Article
Radiology, Nuclear Medicine & Medical Imaging
Marco Fronda, Andrea Doriguzzi Breatta, Marco Gatti, Marco Calandri, Claudio Maglia, Laura Bergamasco, Dorico Righi, Riccardo Faletti, Paolo Fonio
Summary: Quantitative assessment of HCC wash-out based on preprocedural CECT is useful in predicting early CR after DEB-TACE, with DPAR showing the best discriminating ability. When DPAR is greater than or equal to 120 and accompanied by smooth lesion margins, relatively high CR rates are observed.
EUROPEAN RADIOLOGY
(2021)
Article
Dentistry, Oral Surgery & Medicine
Efsun Somay, Busra Yilmaz, Erkan Topkan, Ahmet Kucuk, Berrin Pehlivan, Ugur Selek
Summary: This study investigated the association between pretreatment neutrophil-to-lymphocyte ratio (NLR) and the incidence of radiation-induced trismus (RIT) in patients with parotid gland cancers (PGC) after postoperative radiotherapy (PORT). The results showed that high pretreatment NLR levels were an independent predictor of significantly elevated rates of RIT.
Article
Oncology
Meiying Yan, Dong Xu, Liyu Chen, Lingyan Zhou
Summary: CEUS ultrasound is valuable in distinguishing three common benign parotid gland masses, with pleomorphic adenomas showing unique features in qualitative CEUS. Quantitative analysis based on time-intensity curves can further differentiate these tumors, and ROC analysis can help predict the diagnostic tendency among the groups.
FRONTIERS IN ONCOLOGY
(2021)
Article
Dentistry, Oral Surgery & Medicine
Hassan Al-Balas, Zeyad A. Metwalli, Sarah Eberson, David M. Sada
Summary: The study found that the incidence of primary parotid malignant neoplasm in asymptomatic incidentally discovered parotid lesions is low, with the majority being benign lesions. Imaging or clinical follow-up may be considered in patients who prefer to avoid biopsy.
HEAD & FACE MEDICINE
(2021)
Article
Oncology
Sebastian Stoia, Manuela Lenghel, Cristian Dinu, Tiberiu Tamas, Simion Bran, Mihaela Baciut, Emil Botan, Daniel Leucuta, Gabriel Armencea, Florin Onisor, Grigore Baciut
Summary: This study aimed to determine the value of multiparametric MRI in the preoperative differential diagnosis of parotid tumors. The results showed significant differences in T2WI and ADC in the differentiation of benign and malignant tumors. Multiparametric MRI had a sensitivity, specificity, and accuracy of 81.8%, 88.6%, and 92.3%, respectively. The combination of multiparametric and conventional MRI improved the preoperative differential diagnosis of parotid gland tumors.
Article
Engineering, Biomedical
Jingya Liu, Yingli Tian, Cihan Duzgol, Oguz Akin, A. Muhtesem Agildere, K. Murat Haberal, Mehmet Coskun
Summary: This paper proposes a generative adversarial network (GAN) based framework for synthesizing contrast-enhanced CTs directly from non-contrast CTs in the abdomen and pelvis region. The challenges of respiratory and peristaltic motion and intensity detail synthesis are addressed through the introduction of perceptual loss and a dual-path training schema.
COMPUTERIZED MEDICAL IMAGING AND GRAPHICS
(2022)
