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Multiparametric Magnetic Resonance Imaging for the Differentiation Between Benign and Malignant Salivary Gland Tumors by Sato Eida; Misa Sumi; Takashi Nakamura is a Medicine article available to read on EtoBox.

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## Abstract ## Purpose: To evaluate the stepwise approach in differentiating between benign and malignant salivary gland tumors using time‐intensity curves (TICs) and apparent diffusion coefficients (ADCs). ## Materials and Methods: TICs and ADCs were analyzed on the tumor‐by‐tumor (overall) and pixel‐by‐pixel (TIC and ADC maps) bases in patients with benign (__n__ = 52) or malignant (__n__ = 18) salivary gland tumor. TICs were categorized into Types 1 ( 120 sec peak time), 3 (≥20% increment ratio, ≤120 sec peak time, and <30% washout ratio), or 4 (≥20% increment ratio, ≤120 sec peak time, and ≥30% washout ratio). ADCs were classified as extremely low (<0.6 × 10^−3^ mm^2^/sec), low (<1.2), intermediate (<1.8), or high (≥1.8). ## Results: Malignant tumors had small (<30%) areas with Type 1 TIC with one of the following magnetic resonance imaging (MRI) characteristics: Type 3 overall TIC patterns, Type 4 overall TIC patterns and extremely low ( 40%) areas with low or extremely low ADCs. ## Conclusion: We propose a stepwise approach by using multiparametric MRI techniques as an effective tool for differentiating between benign and malignant salivary gland tumors J. Magn. Reson. Imagin

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Author

Sato Eida; Misa Sumi; Takashi Nakamura

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 1053-1807)

Published

2010

Language

EN

Field

Medicine (Health Sciences)