Typical granuloma of Crohn disease

Light micrographs showing a granulomatous lesion that is diagnostic of Crohn disease. Low and high power views show a central giant cell surrounded by epitheliod cells and rimmed by lymphocytes.

Courtesy of the American Gastroenterological Association©. This slide cannot be downloaded but may be purchased as part of a set from the AGA.

Graphic 81744 Version 4.0