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Published in: Neuroradiology 8/2021

01-08-2021 | Human Papillomavirus | Head-Neck-ENT Radiology

Histogram analysis of arterial spin labeling perfusion data to determine the human papillomavirus status of oropharyngeal squamous cell carcinomas

Authors: Yura Ahn, Young Jun Choi, Yu Sub Sung, Josef Pfeuffer, Chong Hyun Suh, Sae Rom Chung, Jung Hwan Baek, Jeong Hyun Lee

Published in: Neuroradiology | Issue 8/2021

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Abstract

Purpose

To evaluate the correlation between histogram parameters derived from pseudo-continuous arterial spin labeling (PCASL) and human papillomavirus (HPV) status in patients with oropharyngeal squamous cell carcinoma (OPSCC).

Methods

This study included a total of 58 patients (HPV-positive: n = 45; -negative: n = 13) from a prospective cohort of consecutive patients aged ≥ 18 years, who were newly diagnosed with oropharyngeal squamous cell carcinoma. All patients were required to have undergone pre-treatment MRI with PCASL to measure regional perfusion. The region of interest was drawn by two radiologists, encompassing the entire tumor volume on all corresponding slices. Differences in the histogram parameters derived from tumor blood flow (TBF) in ASL were assessed for HPV-positive and -negative patients. Receiver operating characteristic curve analysis was performed to determine the best differentiating parameters, and a leave-one-out cross-validation was used.

Results

Patients with HPV-positive OPSCC showed a significantly lower overall standard deviation and 95th percentile value of tumor blood flow (P < .007). The standard deviation of TBF was the single best predictive parameter. Leave-one-out cross-validation tests revealed that the area under the receiver operating characteristic curve, accuracy, sensitivity, and specificity were 0.745, 75.9%, 75.6%, and 76.9%, respectively.

Conclusion

PCASL revealed differences in perfusion parameters according to HPV status in patients with OPSCC, reflecting their distinct histopathology.
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Metadata
Title
Histogram analysis of arterial spin labeling perfusion data to determine the human papillomavirus status of oropharyngeal squamous cell carcinomas
Authors
Yura Ahn
Young Jun Choi
Yu Sub Sung
Josef Pfeuffer
Chong Hyun Suh
Sae Rom Chung
Jung Hwan Baek
Jeong Hyun Lee
Publication date
01-08-2021
Publisher
Springer Berlin Heidelberg
Published in
Neuroradiology / Issue 8/2021
Print ISSN: 0028-3940
Electronic ISSN: 1432-1920
DOI
https://doi.org/10.1007/s00234-021-02751-6

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