Aural-pharyngeal polyps associated with Cryptosporidium infection in threeiguanas (Iguana iguana)

Cryptosporidium spp. infection was associated with aural-pharyngeal polyps in three iguanas (Iguana iguana). All iguanas were presented for masses pro truding from the ear canal, and the disease was characterized by a chronic clinical course. The masses consisted of nests of cystic glands surrounded by abundant fibrous connective tissue and Lined by hyperplastic cuboidal to pseudostratified columnar epithelium that was moderately to heavily coloni zed by cryptosporidial organisms. Electron microscopy revealed that the maj ority of organisms were trophozoites.