Recurrent Laryngeal Carcinoma

Objective:Study of the CT features and its diagnostic value in recurrent laryngeal carcinoma.Materials and Methods:CT findings of 56 cases with recurrent laryngeal carcinoma proved by biopsy or operation were analyzed retrospectively.Results:There were 56 cases of recurrent laryngeal carcinoma having CT findings invaded by multiple laryngeal and neck structcres,palapharyngeal irregular intensified mass that have normal ovenlying mucosa of laryngeal cavity in 23 cases(40%),and are not detectable on endoscopy;ealaged cervical lymph nodes 16 cases(28.6%);thyroid cartilage/cricoid cartilage destraction 3 cases(5.3%);internal carotid artery and internal jugular vein involvement 5 cases(8.9%);cervical vertebral 2 cases(3.6%)and carcinoma of the orifice of tracheotomy in 5 cases(8.9%).Conclusion:CT Reexamination after operation with laryngeal carcinoma may be one of the importent method in early diagnosis of postoperative tumor recurrence and decision of appropriate treatment.