• In-Sok Seo, Ock-Joo Kim, and Sang-Ik Hwang.
• Department of History of Medicine, Seoul National University College of Medicine.
• Uisahak. 2002 Jun 1;11(1):65-84.

AbstractMany approaches are being used for exposure of the anterior cranial base regions, ranging from extracranial to intracranial, such as transsphenoidal approach. This intracranial approach, developed in the beginning of the twentieth century, has recently become one of the most commonly used approaches after many incremental improvements. This thesis aims at examining the development of the approach and those who contributed to this procedure. The author also contemplate problems which may occur in the historical analysis. From the nineteenth century, advances have been made in anesthesiology, sterilization, cerebral localization and knowledge of anatomical and physiologic aspects of the skull base. The development of new knowledge and technique has helped to overcome obstacles, making surgery of the skull base through extracranial approach both technically feasible and therapeutically effective. To avoid serious postoperative complications after the extracranial approach, transsphenoidal approach had been developed in the beginning of the twentieth century. Transsphenoidal approach had been widely used right after its introduction. But it had not been used popularly since late 1920s in the United States. In early 1960s, this technique, spread from Europe, has regained popularity and become one of the most widely-used approaches. In the history of the transsphenoidal approach, it has been though that the effort of Harvey Cushing and Oskar Hirsch, the endeavor of Cushing's scholars, several new attempts of otolaryngologists played an important role. However, comparing to great appreciation of neurosurgeons, especially Harvey Cushing on their significant contribution to the further development of this technique, the role of other pioneering doctors have been underestimated in previous historical studies on the transsphenoidal approach. It was because dynamical relationships among several specialties had influence on the historical analysis. This cases shows that historical analysis is influenced not only by past figures bu also by current situations.

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