J Vet Diagn Invest 10:179–180 (1998) BRIEF COMMUNICATIONS Aural polyp associated with cryptosporidiosis in an iguana (Iguana iguana)

ithelium with numerous cryptosporidial organisms associated with the apical cytoplasm. Bar 5 20 mm. Figure 2. Electron micrograph. Aural polyp; green iguana. Pseudostratified columnar epithelial cells with numerous cryptos-poridial trophozoites (arrowheads). Bar 5 2 mm. Cryptosporidiosis is well recognized as a gastroenteric pathogen in many mammalian species, as both an enteric and respiratory pathogen in domestic fowl, and as a gastric pathogen in several reptilian species.2,3,5 This report de-scribes the first documented case of cryptosporidiosis in a green iguana (Iguana iguana) and an association of the or-ganism with an inflammatory polyp within the middle ear canal, an anatomic location where Cryptosporidium has not been previously recognized. An adult female green iguana was presented because of