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Abstract #3481

Investigating the ADC Value of Neoplasm Involving the Pharynx and Oral Cavity

Chun-Jung Juan1,2, Cheng-Yu Chen1,2, Hing-Chiu Chang3, Chun-Jen Hsueh1, Hung-Wen Kao1, Hua-Shan Liu1, Hsiao-Wen Chung1,4, Guo-Shu Huang1,2

1Radiology, Tri-Service General Hospital, Taipei, Taiwan; 2Radiology, National Defense Medical Center, Taipei, Taiwan; 3Applied Science Laboratory, GE Healthcare, Taipei, Taiwan; 4Electrical Engineering, National Taiwan University, Taipei, Taiwan

In this study we aimed to investigate the apparent diffusion coefficient (ADC) of head and neck neoplasm focusing in the nasopharnx, oropharynx and oral tongue using PROPLLER-DWI. Our results show that PROPELLER-DWI is immune from geographic distortion and signal mis-registration in all patients. The ADC of neoplasm is significantly lower than the normal tissue and inflammatory lesions.