RT Book, Section A1 Wells, Robert G. SR Print(0) ID 1148944766 T1 The Salivary Glands T2 Diagnostic Imaging of Infants and Children YR 2015 FD 2015 PB McGraw-Hill Education PP New York, NY SN 9780071808392 LK accesspediatrics.mhmedical.com/content.aspx?aid=1148944766 RD 2024/04/24 AB The most common developmental salivary gland disorder is salivary tissue in an ectopic location such as the nasopharynx or middle ear (salivary gland choristoma). Other potential developmental disorders include aplasia/agenesis, duplication, and cysts. Salivary gland ducts can be atretic, imperforate, ectatic, or duplicated.