Prof. Rosario Caltabiano is a Full Professor at the Department of Medical Sciences of the University of Catania. He worked as a Researcher at the Faculty of Medicine of the University of Catania, Italy. He completed his master’s degree in Surgical Pathology and Dermatology. He discovered that epidermal growth factor receptor and caveolin-1 coexpression identify adult supratentorial ependymomas with rapid unfavorable outcomes, and he also evaluated the Cx43 protein and mRNA of both low-histological-grade and high-histological-grade astrocyte tumors. His skills and expertise primarily include prognostic markers, apoptosis, histology, pathology, immunohistochemistry, tumors, cancer biology, histopathology, surgical pathology and diagnosis.