Aggressive pituitary adenomas: is pathology the only feature of aggressiveness?

The article comments on study conducted by Ceccato et al. who tried to explain clinical, pathologic, and radiologic factors involved in the clinical behavior and response to treatment of aggressive pituitary adenomas. Topics discussed include selected patients who had undergone treatment for the conditions, the classification of pituitary tumors based on the World Health Organization and the limitation of categories used by Ceccato et al. The use of surgery in adenoma treatment is mentioned.