• Himanshu Suri and Carrie Dougherty.
• Department of Neurology, Georgetown University Medical Center, Washington DC, USA.
• Curr Pain Headache Rep. 2018 Jun 15; 22 (8): 55.

Purpose Of ReviewThis article provides an overview of headache in the setting of pituitary adenoma. The purpose of this article is to educate providers on the association, possible pathophysiology, and the clinical presentation of headache in pituitary tumor.Recent FindingsRecent prospective evaluations indicate that risk factors for development of headache in the setting of pituitary adenoma include highly proliferative tumors, cavernous sinus invasion, and personal or family history of headache. Migraine-like headaches are the predominant presentation. Unilateral headaches are often ipsilateral to the side of cavernous sinus invasion. In summary, this paper describes how the size and type of pituitary tumors play an important role in causation of headaches. Pituitary adenoma-associated headache can also mimic primary headache disorders making recognition of a secondary process difficult. Therefore, this paper highlights the association of between trigeminal autonomic cephalgias and pituitary adenomas and urges practitioners to maintain a high index of suspicion when evaluating patients with these uncommon headache presentations. However, on balance, given the prevalence of both primary headache disorders and pituitary adenomas, determining causality can be challenging. A thoughtful and multidisciplinary approach is often the best management strategy, and treatment may require the expertise of multiple specialties including neurology, neurosurgery, and endocrinology.

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