• Sheila H Ridner, Mary S Dietrich, Kenneth Niermann, Anthony Cmelak, Kyle Mannion, and Barbara Murphy.
• 1 School of Nursing, Vanderbilt University , Nashville, Tennessee.
• Lymphat Res Biol. 2016 Dec 1; 14 (4): 198-205.

BackgroundThe purpose of this study was to determine the prevalence and nature of internal, external, and combined lymphedema and fibrosis in patients with head and neck cancer (HNC).Materials And MethodsWe obtained consent from 100 patients newly diagnosed with having cancer of the head and neck for a 4-year, prospective, longitudinal descriptive study. Recruitment began in August 23, 2010, and the study was completed in April 24, 2014. Eighty-three were evaluated at regular intervals from preradiation therapy to 18 months post-treatment. Percentage developing external, internal, or both types of lymphedema and/or fibrosis and trajectories of the severity of external, internal, or both types of lymphedema and/or fibrosis were determined.ResultsBefore treatment, lymphedema rates were the following: external: 62.7%, internal: 41.7%, or combined: 29.2%, and/or fibrosis: 42.2%. Ranges of lymphedema late-effect rates were even higher: external: 81.9%-90.1%, internal: 80.4%-89.4%, combined: 70.6%-80.9%, and fibrosis: 66.7%-77.4%. Approximately 75% had a late-effect trajectory characterized by moderate to severe external or internal lymphedema; ∼47% had moderate to severe fibrosis.ConclusionLymphatic and soft tissue complications of HNC occur not only post-treatment but also before treatment. They are ubiquitous throughout the first 18 months post-treatment, with greater than 90% of patients in our study experiencing some form of internal, external, or combined lymphedema, and over half of those patients developing fibrosis. Further research regarding these conditions is indicated.

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