Cervical Lymphadenitis, Suppurative Parotitis, Thyroiditis, and Infected Cysts

Neck masses are common and have a variety of infectious agents and noninfectious causes. This article reviews the more common infectious causes of neck masses—cervical lymphadenitis, suppurative parotitis, thyroiditis, and infected cysts. Important clinical pearls, diagnostic evaluation including laboratory studies, and imaging are summarized. Methods for prevention are highlighted.