NDLI: MRI and CT imaging characteristics in parotid tumors with false-negative fine-needle aspirations

Content Provider	Springer Nature : BioMed Central
Author	Lee, Hyun Jee Kang, Hee Jin Lee, Jong Hwan Lee, Min Kyeong Kim, Su Il Lee, Young Chan Eun, Young-Gyu
Abstract	Backgrounds Preoperative imaging, particularly with magnetic resonance imaging (MRI) and computed tomography (CT) scans, plays a crucial role in distinguishing between benign and malignant parotid gland tumors, while the reliability of Ultrasound-Guided Fine Needle Aspiration (FNA) in diagnosing these masses remains a topic of debate. Methods This two-center retrospective analysis was conducted on 347 patients with parotid gland tumors who had FNA and preoperative imaging (CT or MRI). All patients underwent surgery and final histopathological examination was available, along with complete medical records between January 2008 and May 2023. Results Among the 347 patients, 318 (92%) had benign and 10 (3%) had malignant tumors based on FNA, with 19 (5%) unsatisfactory specimens. Final histological diagnosis revealed 303 (87%) benign and 44 (13%) malignant lesions, with a false-negative rate of 10.6% for FNA. Multivariate analysis identified irregular shape and invasion as independent predictors of malignancy in patient with benign or unsatisfactory FNA results. The odds ratio for irregular shape was 3.06 and for invasion was 12.73. Conclusion Imaging characteristics, such as irregular shape and invasion may indicate towards malignant parotid tumors, even in patients with false-negative benign findings in FNA.
Related Links	https://head-face-med.biomedcentral.com/counter/pdf/10.1186/s13005-024-00467-5.pdf
Ending Page	8
Page Count	8
Starting Page	1
File Format	HTM / HTML
DOI	10.1186/s13005-024-00467-5
Journal	Head & Face Medicine
Issue Number	1
Volume Number	20
Language	English
Publisher	BioMed Central
Publisher Date	2024-10-26
Access Restriction	Open
Subject Keyword	Otorhinolaryngology Oral and Maxillofacial Surgery Dentistry Head and Neck Surgery Parotid tumors Fine-needle aspiration(FNA) Radiological imaging Benign and malignant tumors False-negative results
Content Type	Text
Resource Type	Article
Subject	Otorhinolaryngology Neurology (clinical) Dentistry
Journal Impact Factor	2.4/2023
5-Year Journal Impact Factor	2.9/2023

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