Tissue Morphology

Director: Kay Washington, M.D., Ph.D.
Associate Director: M. Blanca Piazuelo, M.D.

Specific Aim: To provide VDDRC researchers with priority access to state-of-the-art immunohistochemistry (IHC), morphologic interpretation, and imaging-histology co-registration services for animal and human tissues. 


  • To provide expertise in developing, performing, and evaluating IHC studies for VDDRC members
  • To provide expertise in evaluation of histopathology of animal models of gastrointestinal diseases and direct correlation with human disease, small animal imaging findings, and organoid morphology
  • To provide access to and morphologic assessment of human GI tissue samples, including custom tissue microarray design