Dexamethasone-Adjuvanted Scalp Block and Total Intravenous Anesthesia for Endoscopic Transsphenoidal Resection of a Giant Sellar-Suprasellar Rathke Cleft Cyst: An Observational Analytic Case Study. Journal of Anesthesiology and Clinical Research, v. 7, n. 2, p. 315–329, 7 Oct.2026.