(A) Endoscopic view with optical coherence tomography (OCT) catheter probe placed adjacent to mucosa. (B,C,D) OCT image showing normal histological layers of epithelium (ep), lamina propria (lp), muscularis mucosa (mm), submucosa (sm), and muscularis propria (mp).
Courtesy of Shai Friedland, MD and Jacques Van Dam, MD, PhD.
