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. 2016 Mar 11;95(10):e3039. doi: 10.1097/MD.0000000000003039

FIGURE 2.

FIGURE 2

A 58-year-old man with pyriform sinus and posterior pharyngeal wall carcinoma, nonresponse to induction chemotherapy. (A) Transverse T2-weighted imaging. (B) Transverse diffusion weighted imaging (DWI) map obtained with b = 800 s/mm2. (C–E) The mean pretreatment D∗, D, and f values were calculated as 45.34 × 10–3 mm2/s, 0.872 ×10–3 mm2/s and 51.21% in nonresponder, respectively. (F) Transverse T2-weighted imaging show that tumor mass was slightly reduced (<30% reduction) after 2 cycle induction chemotherapy. DWI =  diffusion weighted imaging.