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dc.contributor.authorHunt, T.C.
dc.contributor.authorPeterson, J.E.
dc.contributor.authorFrederickson, J.A.
dc.contributor.authorCohen, J.E.
dc.contributor.authorBerry, J.L.
dc.identifier.citationHunt, T. C., Peterson, J. E., Frederickson, J. A., Cohen, J. E., & Berry, J. L. (2019). First Documented Pathologies in Tenontosaurus tilletti with Comments on Infection in Non-Avian Dinosaurs. Scientific Reports, 9(1), 8705.en_US
dc.description.abstractIn 2001, a nearly complete sub-adult Tenontosaurus tilletti was collected from the Antlers Formation (Aptian-Albian) of southeastern Oklahoma. Beyond its exceptional preservation, computed tomography (CT) and physical examination revealed this specimen has five pathological elements with four of the pathologies a result of trauma. Left pedal phalanx I-1 and left dorsal rib 10 are both fractured with extensive callus formation in the later stages of healing. Left dorsal rib 7 (L7) and right dorsal rib 10 (R10) exhibit impacted fractures compressed 26 mm and 24 mm, respectively. The fracture morphologies in L7 and R10 indicate this animal suffered a strong compressive force coincident with the long axis of the ribs. All three rib pathologies and the pathological left phalanx I-1 are consistent with injuries sustained in a fall. However, it is clear from the healing exhibited by these fractures that this individual survived the fall. In addition to traumatic fractures, left dorsal rib 10 and possibly left phalanx I-1 have a morphology consistent with post-traumatic infection in the form of osteomyelitis. The CT scans of left metacarpal IV revealed the presence of an abscess within the medullary cavity consistent with a subacute form of hematogenous osteomyelitis termed a Brodie abscess. This is only the second reported Brodie abscess in non-avian dinosaurs and the first documented occurrence in herbivorous dinosaurs. The presence of a Brodie abscess, known only in mammalian pathological literature, suggest mammalian descriptors for bone infection may be applicable to non-avian dinosaurs.en_US
dc.description.sponsorshipWe thank R. Cifelli, S. Westrop, and N. Czaplewski for reviewing early drafts of this manuscript. This research was funded by grants awarded to R. L. Cifelli by the American Chemical Society, Petroleum Research Fund (ACS-PRF#38572-AC8) and the National Science Foundation (DEB 9870173). Open Access Fees paid for whole or in part by the University of Oklahoma Libraries Open Initiatives.en_US
dc.rightsAttribution 4.0 International*
dc.titleFirst Documented Pathologies in Tenontosaurus tilletti with Comments on Infection in Non-Avian Dinosaursen_US
ou.groupCollege of Arts and Sciences::Department of Biologyen_US

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