title: Infiltrating pituitary neoplasms in the rat.
abstract: 11 cases of spontaneous pituitary neoplasms in rats, which showed infiltration into brain tissue, are reported. This represents an incidence of about 0.42%.
mesh_terms: D000818:Animals; D001921:Brain / Q000473:pathology; D005260:Female; D005856:Germ-Free Life; D008297:Male; D009362:Neoplasm Metastasis; D010902:Pituitary Gland / Q000473:pathology; D010911:Pituitary Neoplasms / Q000473:pathology / Q000662:veterinary*; D051381:Rats; D012376:Rodent Diseases / Q000473:pathology*