Gilmer, Maureen C.Dickbernd, Mike2025-06-092025-06-092025-02-13Originally published on the Riley Children's Health "Riley Connections" website. Text by Maureen C. Gilmer (Senior Writer, Indiana University Health); photos by Mike Dickbernd (Visual Journalist, Indiana University Health).https://hdl.handle.net/1805/48577Baby Owen was diagnosed in utero with a giant tumor on his neck called a cervical teratoma, an extremely rare form of a germ cell tumor that is usually benign but can obstruct a baby’s airway, resulting in an accumulation of fluid that can affect growth and cause preterm labor.en-USAttribution 4.0 InternationalHospital PatientsTumorsTeratomaArticle