Figure 5. A 52-year-old male with nasopharyngeal undifferentiated non-keratinized carcinoma cT3N2M0 stage III has received sequential chemoradiotherapy, with included 70.4Gy/32fractions of external beam radiotherapy and four cycles of chemotherapy. Ten months after initial treatment, he suffered from recurrence. He decided to receive two cycles of chemotherapy and RSI-BT as a salvage treatment.
A. (i-iii) before RSI-BT, (iv) dose volume histograms (DVH) of RSI-BT; B. (i-iii) intraoperative needle puncture pathway, (iv) dose volume histograms (DVH) of RSI-BT; C. (i-iii) after RSI-BT, (iv) dose volume histograms (DVH) of RSI-BT. D. (i-iii) 2 months after RSI-BT.