Background: Primary pituitary carcinoma is rarely reported in dogs and only few reports describe its malignancy. In veterinary literature, primary carcinomas correspond up to 2.4% 3.4% of intracranial neoplasms found information regarding biological behavior quite limited. humans, represent less than 1.0% all tumors the gland. The proposed classification for humans determines that tumor must ha...

Background: New tobacco products, such as smokeless tobacco, are becoming more popular every year. In talking with our patients, we determined several reasons for that trend. The sale of these products is prohibited in many countries; hence, people obtain the product illegally. This important, since when stored under inappropriate conditions and temperatures, quality properties change, includin...