31,000-year-old amputation in Borneo cave rewrites surgical history

May 12, 2026BioarchaeologyMajor Discovery

Source: This 31,000-Year-Old Surgery Shouldn’t Exist by Michael Button

Site mentioned

📍 Liang Tebo

The discovery of a 31,000-year-old skeleton in Liang Tebo cave, Borneo shows a young adult survived 6-9 years after surgical amputation of their left foot and lower leg. The clean cut and healed bone prove ancient surgeons understood blood loss prevention and infection management. Researchers from University of Sydney and Griffith University suggest they likely used local rainforest plants with antiseptic properties. This rewrites surgical history! 🦴⚰️

Key facts

A skeleton discovered in Liang Tebo cave in Borneo belonged to a young adult who lived 31,000 years ago
The skeleton's left foot and lower leg were surgically amputated with a clean, intentional cut that successfully healed
Bone growth proves the patient survived for an additional 6-9 years after the amputation
Researchers from University of Sydney and Griffith University conducted the landmark study
The procedure implies ancient humans understood how to prevent fatal blood loss and manage infection without antibiotics
Early surgeons likely used local plants with antiseptic properties from the tropical rainforest environment
The successful long-term survival demonstrates advanced post-operative nursing care from the community