HOUSTON – Doctors at UT Health School of Dentistry are hopeful an endowment will help them better understand a rare disorder affecting African American patients. The Katy mother of five is helping a group of oral surgeons at UTHealth better look at her DNA to figure out why her tongue enlarged back in 2017. AdA Florida man traveled to the Texas Medical Center last year for surgery after his tongue enlarged while being intubated in a hospital for COVID-19. “Second was long-term intubations.”Melville said of the five patients he has seen with the rare disorder, all of them were Black. Melville said he’s in the process of contacting former Macroglossia patients to have their blood drawn for the lab analysis.