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¹Neurosurgery Department, Fleni, Buenos Aires, Arge
²Hospital Regional San Martín de los Andes, Neurosurgery Department, Neuquén, Argentina
³Neuroendocrinology Department, Fleni, Buenos Aires, Argentina DOI : 10.5137/1019-5149.JTN.47761-24.2 Bi-thalamic stroke is rarely reported in the literature as a complication of an endonasal endoscopic procedure. It has been associated with presence of a Percheron artery variant, as well as with top of the basilar syndrome, both of which significantly increase patient surgical morbidity. Infundibulo-neurohypophysitis in turn, is an unusual inflammatory disorder affecting the infundibulum, the pituitary stalk, and the neurohypophysis. We present the case of a patient with visual impairment and an abnormal hormone profile compatible with infundibulo-neurohypophysitis, in whom tumor resection was conducted through an endoscopic endonasal approach (EEA). Patient developed postoperative bi-thalamic stroke due to Percheron artery infarct. A review of both conditions is included. This is the fourth case reported in the literature of a Percheron artery infarct, and to the best of our knowledge, the first linking it to endoscopic treatment of neurohypophysitis, itself an infrequent condition. Keywords : Bi-thalamic stroke, Endoscopic endonasal approach, Percheron artery, Infundibulo-neurohypophysitis, Diagnosis, Outcome