title: Carcinoma in situ and seminoma in equine testis.
abstract: The presence of atypical germ cells resembling carcinoma in situ of human testis is reported for the first time in an unilaterally cryptorchid stallion. These cells were found in association with developing intratubular seminoma indicating they represented carcinoma in situ.
authors.affiliation: Animal Reproduction and Biotechnology Laboratory, Colorado State University, Fort Collins 80523-1683, USA.
authors.forename: D N
authors.initials: DN
authors.lastname: Veeramachaneni
authors.forename: H R
authors.initials: HR
authors.lastname: Sawyer
mesh_terms: D000818:Animals; D002278:Carcinoma in Situ / Q000473:pathology* / Q000662:veterinary*; D006734:Horse Diseases / Q000473:pathology*; D006736:Horses; D006801:Humans; D008297:Male; D018239:Seminoma / Q000473:pathology* / Q000662:veterinary*; D013736:Testicular Neoplasms / Q000473:pathology* / Q000662:veterinary*