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Endocrine Abstracts (2017) 49 EP839 | DOI: 10.1530/endoabs.49.EP839

Clinical case reports - Pituitary/Adrenal

Pituitary apoplexy while treating recurrence of Cushing’s disease with Pasireotide

Birute Zilaitiene1,2, Aiste Kondrotiene3, Rasa Verkauskiene1,2, Lina Barsiene2, Robertas Knispelis2, Valdas Sarauskas4 & Annamaria Colao5


1Institute of Endocrinology, Lithuanian University of Health Sciences, Kaunas, Lithuania; 2Department of Endocrinology, Hospital of Lithuanian University of Health Sciences Kauno Klinikos, Kaunas, Lithuania; 3Lithuanian University of Health Sciences, Medical Academy, Kaunas, Lithuania; 4Department of Pathological Anatomy, Lithuanian University of Health Sciences, Kaunas, Lithuania; 5Department of Molecular and Clinic Endocrinology and Oncology, University of Naples Frederico 2, Endocrinology Sector, Naples, Italy.

Introduction: ACTH producing macroadenoma and pituitary apoplexy are rare in Cushing’s disease. Somatostatin receptor agonist Pasireotide is indicated for the treatment of patients with Cushing’s disease for whom surgery is not an option or has failed. We present a case of pituitary apoplexy in patient with recurrence of Cushing’s disease treated with Pasireotide.

Case: 38 years old female presented with quick weight gain, weakness, irregular menstruation, hirsutism, hypertension, newly diagnosed diabetes mellitus. High levels of blood cortisol and ACTH were observed. Cortisol was not suppressed after 1 mg overnight dexamethasone suppression test (DST) and after low-dose DST. High-dose DST suppressed cortisol secretion. Pituitary macroadenoma with diameter of 12×9 mm was diagnosed on MRI. Patient underwent transsphenoidal surgery in January, 2012. In 2014 recurrence of Cushing’s disease was diagnosed and second transsphenoidal surgery was performed in January, 2015. In November, 2015 recurrent pituitary adenoma with diameter of 15×11 mm was identified on MRI and hormonal tests confirmed hypercortisolemia with elevated ACTH again. Therapy with Pasireotide was started in January, 2016. After 9 months of successful use of this medication patient was emergently hospitalized to the Department of Endocrinology with an episode of an acute headache, nausea, vomiting. Ptosis of a right eyelid and blurred vision occurred. Head MRI demonstrated pituitary apoplexy and tumor spreading around right optical nerve and optic chiasm. Pituitary apoplexy led to hypocortisolemia and need of hydrocortisone for several days. Two weeks later normal cortisol levels were observed, hydrocortisone discontinued. Further treatment with Pasireotide 0.6 mg b.i.d. was continued. 4 months after pituitary apoplexy and further treatment with Pasireotide, ptosis and blurred vision regressed, eucortisolemia was achieved.

Conclusion: To our knowledge we report the first case of pituitary apoplexy in patient with Cushing’s disease treated with Pasireotide. This complication might be related to Pasireotide effect on tumorogenesis mechanisms.

Volume 49

19th European Congress of Endocrinology

Lisbon, Portugal
20 May 2017 - 23 May 2017

European Society of Endocrinology 

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