Preoperative CT not reliable for assessing tumor thickness in oral tongue squamous cell carcinoma
According to a recent study published in the American Journal of Otolaryngology, it has been found out that preoperative CT is not reliable for assessment of tumor thickness (TT) in oral tongue squamous cell carcinoma (OTSCC) compared to intraoperative ultrasound (US) and histopathology, particularly for OTSCC under 10 mm.
Byung C.Yoon and colleagues from the Departments of Radiology, Massachusetts General Hospital, Boston, MA, United States of America carried out this present study with the objective to compare the accuracy of oral tongue squamous cell carcinoma (OTSCC) tumor thickness (TT) measured on CT to intraoperative ultrasound (US) and histopathology.
Twenty-six patients with OTSCC who underwent tumor resection by a single surgeon with simultaneous intraoperative US were prospectively identified, and their data reviewed. TT was independently measured in 19 patients who underwent preoperative CT (cTT) by two neuroradiologists blinded to US and histological results.
The confidence level of interpretation of cTT was recorded by each reader using a 5-point Likert scale. The degree of dental artifact on CT was also scored. cTT was compared to TT measured on intraoperative US (uTT) and histopathologic assessment of TT (hTT).
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