RT Book, Section A1 Linzer, Jeffrey F. A2 Schafermeyer, Robert A2 Tenenbein, Milton A2 Macias, Charles G. A2 Sharieff, Ghazala Q. A2 Yamamoto, Loren G. SR Print(0) ID 1105680174 T1 Neck Masses T2 Strange and Schafermeyer's Pediatric Emergency Medicine, 4e YR 2014 FD 2014 PB McGraw-Hill Education PP New York, NY SN 978-0-07-182926-7 LK accessemergencymedicine.mhmedical.com/content.aspx?aid=1105680174 RD 2024/03/28 AB Most common neck masses in children are benign reactive lymphadenopathy and lymphadenitis.Congenital neck lesions can present even after the first decade of life often with an infection or obstruction.Occasionally, a neck mass may be related to a systemic illness or sign of a neoplastic condition and further investigation is warranted particularly if there is supraclavicular lymphadenopathy.Neck masses that affect the airway require immediate intervention.Laboratory testing is often not necessary in the evaluation of cervical lymphadenopathy as the cause can usually be determined by the history and physical examination.An enlarged cervical mass that does not improve after 4 to 6 weeks needs to be referred to a subspecialist for further evaluation.