Exploring the antiquity of rheumatoid arthritis: A case study from medieval Transylvania.

Objective: To evaluate erosive pathological lesions on a skeleton from medieval Transylvania.

Materials: A skeleton from a Székely archaeological site in Transylvania was examined and radiocarbon dated to Cal 1300 CE - 1415 CE.

Methods: The skeletal remains were examined macroscopically and with radiographic imaging.