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Abstract #1700

Assessment of Tumor Blood Flow and its Correlation with Histopathologic Features in Warthin tumors and Pleomorphic adenomas of the Salivary Gland using Pulsed-Continuous Arterial Spin Labeling Images

Tatsuya Yamamoto 1 , Nobuyuki Kosaka 1 , Masaki Mori 2 , Yoshiaki Imamura 2 , and Hirohiko Kimura 1

1 Department of Radiology, University of Fukui, Fukui, Japan, 2 Division of Surgical Pathology, University of Fukui, Fukui, Japan

No reports have focused on the evaluation of tumor blood flow (TBF) using pseudo-continuous arterial spin labeling (pcASL) in the salivary gland tumor. However, we demonstrated a significant difference in TBF between a salivary gland Warthin tumor and pleomorphic adenoma. The significant correlation between TBF and the tumor vascular density ( p < 0.01, r s = 0.93) suggests that precise evaluation of the tumor perfusion state could be accomplished using pcASL. Thus, differential diagnosis of a salivary gland tumor may be possible to some extent even without the use of contrast material.

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