This 5,300-year-old skull shows evidence of the earliest known ear surgery

Enlarge / Lateral view of a skull found at the El Pendon site in Spain, showing signs of a primitive form of ear surgery. (credit: NFotografos Photography Study)

Archaeologists have excavated a 5,300-year-old skull from a Spanish tomb and determined that seven cut marks near the left ear canal are strong evidence of a primitive surgical procedure to treat a middle ear infection. That makes this the earliest known example of ear surgery yet found, according to the authors of a recent paper published in the journal Scientific Reports. The Spanish team also identified a flint blade that may have been used as a cauterizing tool.

The excavation site is located in the Dolmen of El Pendon in Burgos, Spain, and consists of the remains of a megalithic monument dating back to the 4th century BCE, i.e., the late Neolithic period. The ruins include an ossuary holding the bones of nearly 100 people, and archaeologists have been excavating those remains since 2016.

In July 2018, the team recovered the skull that is the subject of this latest study. The skull was lying on its right side, facing the entrance of the burial chamber, and while most of the cranium was intact, no teeth remained. The missing teeth, plus the loss in bone density and fully ossified thyroid cartilage, indicated that this was the skull of an elderly woman aged 65 or older.

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