Background: Visual field deterioration caused by secondary empty sella after cabergoline therapy for prolactinoma is a rare event. Chiasmapexy is performed to treat empty sella syndrome. Although various materials have been used for the elevation of the optic chasm, the most appropriate material remains to be established. Here, we describe the efficiency of chiasmapexy for empty sella syndrome following dopamine agonist treatment and the utility of septal cartilage and sphenoidal sinus bone as materials for chiasmapexy. Case Description: A 35-year-old male with a history of cabergoline therapy for prolactinoma presented with visual deterioration. His magnetic resonance imaging revealed optic chiasm herniation into the empty sella. Endoscopic endonasal transsphenoidal chiasmapexy was performed using septal cartilage and sphenoidal sinus bone as materials for elevating the chiasm. Visual function improved immediately after operation. Conclusions: Chiasmapexy is an effective surgical method for treating visual deterioration caused by empty sella after cabergoline treatment. Endoscopic endonasal chiasmapexy with septal cartilage and sphenoidal sinus bone is a considerable option because it is minimally invasive and involves decreased risk of infection.
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