Figure 2
Microscopic findings in cytomegalovirus pouchitis. A and B show microphotographs of pouch biopsies taken before the first course of treatment with ganciclovir (hematoxylin and eosin stain, ×40). Note the enlarged nuclei of some cells and the virus-induced eosinophilic intranuclear and cytoplasmatic inclusions (arrows). C and D: immunohistochemistry revealing positive staining for cytomegalovirus (×40).