Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleA Posterior Triangle Neck Mass in a Pediatric Patient.AuthorsRyan, Lindsey E.; Nickel, Christopher J.; Padhya, TapanAbstractA pediatric female presented with a left posterior triangle neck mass that had progressed for 3 years following a motor vehicle accident. What is your diagnosis?PublicationJAMA Otolaryngology-Head & Neck Surgery, 2019, Vol 145, Issue 1, p87ISSN2168-6181Publication typejournal articleDOI10.1001/jamaoto.2018.2931