Lymphatic malformations (LMs), primarily diagnosed in children, are uncommon in adults. Nevertheless, one should consider LM in one's differential diagnosis in cases of adult neck masses. We report the oldest known patient with an LM, a 91-year-old woman. We also provide a review of the literature encompassing all reported adult cases. Since 1828, 91 adult cases of LMs have been reported in the English-language literature. We describe the clinical findings, diagnostic methods, and therapeutic management of LMs of the head and neck. We believe that surgery remains a therapeutic option even in patients of advanced age.

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Locoregional disease control achieved with this regimen appears to be significantly improved over that described in the literature for similarly staged tonsil cancer. Survival, on the other hand, remains comparable.

92% at 12 months post-treatment. 150 patients (77%) required nutritional support at 3 months post-treatment; 83% had resumed a near-normal diet by 12 months. Of 17 patients (9%) with tracheotomy at initiation of therapy, 71% were decannulated by 6 months. Stage IV disease was the strongest predictor of prolonged dependence upon feeding tubes, although increasing age and female gender were also statistically correlated with time to near-normal diet. Primary site was not predictive.Conclusions: Relatively few patients required tracheotomy either before or during chemoradiotherapy. Substantial numbers of patients required feeding tubes and nutritional support for several months following therapy, but most were tube-free and eating near-normal diets within 1 year.