Dysphagia following Various Degrees of Surgical Resection for Oral Cancer

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Abstract
Postoperative swallowing problems were investigated in 20 patients who had undergone various degrees of surgical resection for oral cancer. The swallowing problems were evaluated on the basis of type of food, degree of aspiration, and duration of postoperative nasogastric tube feeding. Two patients with tongue cancer who had had hemiglossectomy without reconstruction ate normal food without aspiration within a week after operation. Eight patients who had undergone two- to three-quarter glossectomy for tongue cancer ate gruel with no or occasional liquid aspiration. Among 4 patients who had had near-total or total glossectomy for tongue cancer, 3 ate thin gruel or liquid with occasional aspiration. The other could not eat orally because of consistent severe aspiration. One patient with mouth floor cancer underwent resection of the mouth floor in combination with hemiglossectomy and she ate gruel without aspiration. Among 5 patients with mouth floor cancer who had had surgical removal accompanied by near-total or total glossectomy, 3 ate gruel with no or occasional liquid aspiration, 1 ate thin gruel with no aspiration, and the other could not eat orally. A diagnosis of T4 lesions, extensive removal of the tongue base, removal of the geniohyoid and mylohyoid muscles, and removal of the lateral pharyngeal wall were significantly related to poor swallowing function.