UT Southwestern police found the woman Tuesday on the third floor of parking garage 2 in the center of campus, CBS-TV, Dallas, reported.
Staff and students at the school received a campus-wide text message alerting them to a possible homicide and ordering them to keep away from the area.
The hospital remained on lockdown during the investigation, and no suspect had been found, the TV station said.
'SNL': 'Anchorman 2' cast, One Direction sing 'Afternoon Delight' [VIDEO]
Reindeer recovered after escaping from Santa during lighting ceremony