Brian Mehigan

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About

Brian Mehigan is a leading colorectal surgeon whose research has significantly advanced the field of minimally invasive rectal surgery, particularly through the development and refinement of robotic transanal minimally invasive surgery (R-TAMIS). His major contribution lies in systematically evaluating the ergonomic and clinical advantages of robotic platforms over traditional laparoscopic TAMIS for treating early rectal neoplasia, including benign polyps and low-grade cancers. In his highly cited 2024 work, Mehigan demonstrated that R-TAMIS offers superior dexterity within confined operative spaces, potentially improving precision and patient outcomes. With 18 citations already, this paper has quickly become a cornerstone reference for surgeons adopting robotic techniques. Beyond this, Mehigan’s broader portfolio explores how robotic assistance can expand the indications for transanal surgery while reducing complications. His work has helped establish R-TAMIS as a viable, evidence-based alternative, bridging the gap between conventional endoscopy and radical surgery. For students and researchers, Mehigan exemplifies how rigorous clinical evaluation can translate technological innovation into tangible surgical progress, making him a pivotal figure in the evolution of colorectal oncology.