Unusual computed tomography findings of radionecrosis after chemoradiation of stage IV hypopharyngeal cancer: a case report

Unusual computed tomography findings of radionecrosis after chemoradiation of stage IV hypopharyngeal cancer: a case report

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Abstract Introduction Radionecrosis (post-radiotherapy laryngeal submucosal inflammation and necrosis) is a complication of (chemo) radiotherapy for hypopharyngeal cancer that is difficult to differentiate from tumor recurrence.Case presentation A 67-year-old Japanese man presented with a condition extremely difficult to diagnose differentially as radionecrosis or bushranger awning tumor recurrence after radiotherapy for hypopharyngeal cancer.Although tumor recurrence was suspected from clinical conditions and computed tomography findings, pathologic analysis revealed no evidence of tumor recurrence, and successful therapy royal nomadic 5413 rug with steroids and antibiotics reduced the mucosal edema.Conclusion Our findings emphasize the wide spectrum of radiographic presentation of radionecrosis after chemoradiation of stage IV hypopharyngeal cancer.