Histological, immunohistochemical and transcriptomic characterization of human tracheoesophageal fistulas
Fig 2
A-D. Overview and details of TEF. TEF walls covered by squamous epithelium (ep), with underlying lamina propria (lp) and muscular layer (m). The muscle layer appears irregular and fragmented in the overview of A-C and D, E and F. In the detail images a mild chronic inflammatory infiltrate can be appreciated. (at 4x, 10x and 40x magnification respectivly) G. Elastic and corresponding HE stain (H) of fistula covered with squamous epithelium, showing disorganized muscle bundles and glandular structures. (at 10x magnification).