Clinical characteristics of pain in patients with pituitary adenomas

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Abstract

Objective: Clinical presentation of pituitary adenomas frequently involves pain, particularly headache, due to structural and functional properties of the tumour. Our aim was to investigate the clinical characteristics of pain in a large cohort of patients with pituitary disease. Design: In a cross-sectional study, we assessed 278 patients with pituitary disease (nZ81 acromegaly; nZ45 Cushing's disease; nZ92 prolactinoma; nZ60 non-functioning pituitary adenoma). Methods: Pain was studied using validated questionnaires to screen for nociceptive vs neuropathic pain components (painDETECT), determine pain severity, quality, duration and location (German pain questionnaire) and to assess the impact of pain on disability (migraine disability assessment, MIDAS) and quality of life (QoL). Results: We recorded a high prevalence of bodily pain (nZ180, 65%) and headache (nZ178, 64%); adrenocorticotropic adenomas were most frequently associated with pain (n Z34, 76%). Headache was equally frequent in patients with macroand microadenomas (68 vs 60%; PZ0.266). According to painDETECT, the majority of the patients had a nociceptive pain component (nZ193, 80%). Despite high prevalence of headache, 72% reported little or no headache-related disability (MIDAS). Modifiable factors including tumour size, genetic predisposition, previous surgery, irradiation or medical therapy did not have significant impact neither on neuropathic pain components (painDETECT) nor on headache-related disability (MIDAS). Neuropathic pain and pain-related disability correlated significantly with depression and impaired QoL. Conclusions: Pain appears to be a frequent problem in pituitary disease. The data suggest that pain should be integrated in the diagnostic and therapeutic work-up of patients with pituitary disease in order to treat them appropriately and improve their QoL.

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Dimopoulou, C., Athanasoulia, A. P., Hanisch, E., Held, S., Sprenger, T., Toelle, T. R., … Sievers, C. (2014). Clinical characteristics of pain in patients with pituitary adenomas. European Journal of Endocrinology, 171(5), 581–591. https://doi.org/10.1530/EJE-14-0375

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