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Quantitative diffusion-weighted MRI parameters and human papillomavirus status in oropharyngeal squamous cell carcinoma.

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Quantitative diffusion-weighted MRI parameters and human papillomavirus status in oropharyngeal squamous cell carcinoma.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Schouten, C. S. de Graaf, P. Bloemena, E. Witte, B. I. Braakhuis, B. J. M. Brakenhoff, R. H. Leemans, C. R. Castelijns, J. A. de Bree, R.
Description	Author Affiliation: Schouten CS ( From the Departments of Otolaryngology-Head and Neck Surgery (C.S.S., B.J.M.B., R.H.B., C.R.L., R.d.B.).); de Graaf P ( Radiology and Nuclear Medicine (P.d.G., J.A.C.).); Bloemena E ( Pathology (E.B.) Department of Oral and Maxillofacial Surgery/Oral Pathology (E.B.), VU University Medical Center/Academic Center for Dentistry Amsterdam, Amsterdam, the Netherlands.); Witte BI ( Epidemiology and Biostatistics (B.I.W.), VU University Medical Center, Amsterdam, the Netherlands.); Braakhuis BJ ( From the Departments of Otolaryngology-Head and Neck Surgery (C.S.S., B.J.M.B., R.H.B., C.R.L., R.d.B.).); Brakenhoff RH ( From the Departments of Otolaryngology-Head and Neck Surgery (C.S.S., B.J.M.B., R.H.B., C.R.L., R.d.B.).); Leemans CR ( From the Departments of Otolaryngology-Head and Neck Surgery (C.S.S., B.J.M.B., R.H.B., C.R.L., R.d.B.).); Castelijns JA ( Radiology and Nuclear Medicine (P.d.G., J.A.C.).); de Bree R ( From the Departments of Otolaryngology-Head and Neck Surgery (C.S.S., B.J.M.B., R.H.B., C.R.L., R.d.B.) r.bree@vumc.nl.)
Abstract	BACKGROUND AND PURPOSE: Patients with human papillomavirus-positive oropharyngeal squamous cell carcinomas have a better survival rate than those with human papillomavirus-negative oropharyngeal squamous cell carcinomas. DWI characterizes biologically relevant tumor features, and the generated ADC may also provide prognostic information. We explored whether human papillomavirus status and ADC values are independent tumor characteristics. MATERIALS AND METHODS: Forty-four patients with oropharyngeal squamous cell carcinomas underwent pretreatment DWI. ADC values for the primary tumors were determined by using 3 b-values in an ROI containing the largest area of solid tumor on a single section of an axial DWI image. Human papillomavirus status was determined with p16 immunostaining, followed by high-risk human papillomavirus DNA detection on the p16-positive cases. RESULTS: Twenty-two patients were human papillomavirus-positive (50.0%). ADC values were not significantly different between human papillomavirus-negative (ADC(mean) = 1.56 [1.18-2.18] × 10(3) mm(2)/s) and human papillomavirus-positive tumors (ADC(mean) = 1.46 [1.07-2.16] × 10(3) mm(2)/s). CONCLUSIONS: No significant association between ADC and human papillomavirus status was found in oropharyngeal squamous cell carcinomas. In our study population, differences in genetic and histologic features between human papillomavirus-positive and human papillomavirus-negative oropharyngeal squamous cell carcinomas did not translate into different ADC values. Long-term follow-up studies are needed to establish whether ADC has prognostic value and whether this is independent of the human papillomavirus status.
File Format	HTM / HTML
ISSN	01956108
e-ISSN	1936959X
Journal	American Journal of Neuroradiology
Issue Number	4
Volume Number	36
Language	English
Publisher	American Journal of Neuroradiology
Publisher Date	2015-04-01
Publisher Place	United States
Access Restriction	Open
Subject Keyword	Discipline Neurology Discipline Radiology Carcinoma, Squamous Cell Pathology Virology Diffusion Magnetic Resonance Imaging Oropharyngeal Neoplasms Mortality Papillomavirus Infections Complications Prognosis Survival Rate
Content Type	Text
Resource Type	Article
Subject	Radiology, Nuclear Medicine and Imaging Neurology (clinical)

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