Transanal Endoscopic Operation

Definition

Transanal endoscopic surgery that use a rigid operating proctoscope, similar to transanal endoscopic microsurgery (TEM), but offers proctoscope lengths of 7.5, 15, and 20 cm and an option to use a conventional 5 mm laparoscope instead of the binocular optics system.

Also known as TEO, Transanal Endoscopic Operation — per NCIT