Part I History, Anatomy and Tumor Biology -- Historical Background -- Surgical Anatomy of the Skull Base -- Pathologic and Electron Microscopic Features -- Recent Concept of Etiology -- Part II Clinical and Radiological Diagnosis -- Clinical Presentation -- Juvenile Angiofibroma and the Eye -- Radiological Diagnosis -- Staging Systems and their Use -- Part III Management -- Pre- and Intraoperative Embolization -- Anesthesia and Management of Intraoperative Bleeding -- Endoscopic Surgery -- Endoscopic Excision of Advanced with Skull Base Involvement -- Excision by Midfacial Degloving Approach -- Excision by Modified Transpalatal and Maxillary Swing Approach Excision by Le Fort I Osteotomy Approach -- Excision by Lateral Skull Base Approach -- Combined Neurosurgical and Craniofacial Approach for Large Intracranial Tumor -- Radiation Therapy -- Adjuvant Chemotherapy and Hormonal Therapy -- Part IV Other Issues -- Recurrence of Tumor -- Its Prevention and Management -- Extranasopharyngeal Angiofibroma -- Remaining Controversies in Nasopharyngeal Angiofibroma.