Multimodal Neuroanesthesia with an Ultrasound-Guided Dexamethasone-Adjuvanted Scalp Block for Endoscopic Transsphenoidal Resection of a Giant Sellar-Suprasellar Rathke Cleft Cyst: A Case Report. Journal of Anesthesiology and Clinical Research, v. 7, n. 2, p. 1399–1415, 29 Jul.2026.