Endocrinologie et syndrome métabolique
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Pituitary Adenoma Complicated by Hydrocephalus in a Patient Treated with Cabergoline

Ruben Van den Brande, Pascale Abrams and Tony Van Havenbergh

We describe a 55 year old, female patient with known pituitary adenoma since 9 years who was lost to follow up during 8 years. She presented with temporal vision loss, no other complaints. Imaging showed a large sellar mass which expanded suprasellar with severe anterior displacement of the chiasma opticum and extending into the third ventricle with significant obstruction of the foramen of Monroe, leading to a dilatation of the right lateral ventricle. Clinical significant tumour progression occurred under treatment with Cabergoline, leading to hydrocephalus. Patient underwent semi urgent endoscopic transsphenoidal resection of the tumour. Three months after surgery the patient was asymptomatic and imaging confirmed a complete resection. Hormone levels where in normal range on account of the substitution therapy. This case stresses the importance of follow-up in patients with pituitary adenomas.