29 research outputs found
Manifestação clínico-patológica de infecção natural pelo Vírus Respiratório Sincicial Bovino (BRSV) em bovinos de criação extensiva no Rio Grande do Sul, Brasil
Full text linkSegurança e eficácia da técnica de biopsia pulmonar transtorácica percutânea para avaliação histopatológica do parênquima pulmonar de ovinos clinicamente sadios
Full text linkCaracterização fenotípica e molecular de amostras de Burkholderia mallei isoladas na Região Nordeste do Brasil
Full text linkPulmonary cystic keratinizing squamous cell lesions of rats after inhalation/instillation of different particles
No full textCystic keratinizing squamous cell lesions from three inhalation studies (study A, B, C) and one intratracheal instillation study (Study D) in rats were reclassified and a certain number of lesions examined immunohistochemically for PCNA (proliferating cell nuclear antigen) as a marker of cellular proliferation. The following classification was used: squamous cell metaplasia with marked keratinization, keratinizing cyst, cystic keratinizing epithelioma, cystic keratinizing squamous cell carcinoma, keratinizing squamous cell carcinoma and non-keratinizing squamous cell carcinoma. In study A (inhalation of coal oven exhaust and subcutaneous injection of a high dose of DB (ah)A) 49,3 % of rats developed cystic keratinizing squamous cell carcinomas. (Abstract truncated
