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- Title
CT, MRI, and FDG PET/CT Findings of Sinonasal Sarcoma: Differentiation from Squamous Cell Carcinoma.
- Authors
Jin Ho Kim; Dae Young Yoon; Sora Baek; Min Woo Park; Kee Hwan Kwon; Young Soo Rho
- Abstract
Purpose: To evaluate computed tomography (CT), magnetic resonance imaging (MRI), and 18F-fIuorodeoxygIucose (FDG) positron emission tomography/CT (PET/CT) findings for the differentiation of sinonasal sarcoma from squamous cell carcinoma (SCC). Materials and Methods: We retrospectively reviewed CT, MRI, and FDG PET/CT results in 20 patients with pathologically proven sinonasal sarcoma (n = 7) and SCC (n = 13). Imaging characteristics of tumors, such as the shape, size, margin, MRI signal intensity, pattern of enhancement, local tumor invasion, and maximum standardized uptake value (SUVmax) were analyzed and compared between sarcoma and SCC. Results: The SUVmax of sarcomas (7.4 ± 2.1) was significantly lower than the SUVmax of the SCCs (14.3 ± 4.5) (p = 0.0013). However, no significant difference in the shape, size, margin, MRI signal intensity, pattern of enhancement, and local tumor invasion was observed between sarcoma and SCC. Conclusion: Although CT and MR imaging features are nonspecific, FDG PET/CT is useful in distinguishing between sinonasal sarcoma and SCC based on the SUVmax value.
- Subjects
SARCOMA; PARANASAL sinus cancer; SQUAMOUS cell carcinoma
- Publication
Journal of the Korean Society of Radiology, 2016, Vol 75, Issue 1, p17
- ISSN
1738-2637
- Publication type
Article
- DOI
10.3348/jksr.2016.75.1.17