Est.

1987

International Endoscopic

Therapeutic Spine Society

Who We Are

& What We Believe

The IETSS (formerly IITS and IITTSS) is a 501C3 non-profit organization whose focus is on intradiscal therapy aided by the endoscope as the least invasive, visually-guided treatment for discogenic pain.

Anthony Yeung, MD
Anthony T. Yeung, MD
Executive Director

From the Director's Desk

New sub-societies are being established in China and Taiwan, as I step up training all over the world. One such society is the “Yeung Fellow’s Endoscopic Spine Society,” in China made up of my spine fellows and other physicians who are embracing the YESS endoscopic technique. A parallel “Academic Yeung” is also being formed for the Taiwanese Spine Surgeons currently being trained by me.

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Continuing Education

IETSS is here to advance, evolve, and teach the intradiscal and transforaminal access to the lumbar spine as the least invasive, most effective technique for decompression, ablation, and irrigation of the lumbar spine as surgical pain management.

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Contact Us


1635 E. Myrtle Ave. | Suite 400
Phoenix, AZ 85020

Ph: 310.279.3159
Fax: 602.944.0064 (Attn: Vicki)

International Endoscopic Therapeutic Spine Society