| Summary: | Radiation esophagitis requiring endoscopic evaluation occurs quite rarely, affecting <1% of patients undergoing radiation treatment. Acute radiation esophagitis develops within 3 weeks of radiation therapy. We describe herein a case of radiation esophagitis in a patient with oral carcinoma with multiple general bone metastases. Cisplatin, fluorouracil, and cetuximab were given for 3 cycles. Radiation therapy (30 Gy) to the thoracic vertebrae and lumbar vertebrae was prescribed to prevent worsening of bone metastases and relieve pain. Neutropenia was also observed due to chemotherapy. After the end of radiation therapy, the patient experienced chest pain, heartburn, and dysphagia. Upper gastrointestinal endoscopy revealed severe radiation esophagitis of endoscopic Fukui Acute Radiation Esophagitis grade 4. Oral food was discontinued and an intravenous proton-pump inhibitor was administered. After 3 weeks, upper gastrointestinal endoscopy showed improvement of radiation esophagitis, with scars. The symptoms of chest pain, heartburn, and dysphagia had also disappeared. This is the first case to be reported of acute radiation esophagitis in a patient with oral carcinoma with bone metastasis who experienced dramatic improvement of endoscopic findings. Neutropenia appears to be associated with more severe acute radiation esophagitis.
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