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Medicina (Buenos Aires)

Print version ISSN 0025-7680On-line version ISSN 1669-9106

Abstract

STALLDECKER, Graciela; BALLARINO, Carolina; DIEZ, Sabrina  and  MALLEA-GIL, María Susana. Pituitary adenomas in elderly patients. Medicina (B. Aires) [online]. 2019, vol.79, n.3. ISSN 0025-7680.

Clinical presentation, treatment and its results were evaluated during long-term follow-up of 37 patients older than 65 years with pituitary adenomas. Causes of death were also evaluated. It was a retrospective and cross-sectional study. Prevalence of incidentalomas was 43% (16), macroadenomas 70.3% (26) and giant adenomas 16.2% (6). The most frequent tumor phenotype was the non-functioning adenoma (76%). The prevalence of visual field defects and neurological symptoms was 56% and 57%, respectively. We found normal pituitary function in 54%, partial deficiency in 30% and panhypopituitarism in 16%. Thirty-two patients were treated, 5 were lost to follow-up without receiving treatment. Surgery was indicated in 18. Of those operated by trans-sphenoidal approach, 23% had postsurgical complications and 54% improved the visual field. By trans-craneal approach, 50% had post-surgical complications and 33% visual field improvement. During follow-up (55.1 ± 48.7 months) no tumor regrowth was observed, except in a giant adenoma. Four operated patients died, two due to causes related to tumor. Fourteen were not operated, 11 with non-functioning adenomas and normal visual field were periodically controlled, and 3 with secreting adenomas received medical treatment. No tumor growth was observed during follow-up (43.7 ± 38.1 months). We did not observe tumor progression in elderly patients with non-functioning adenomas and normal visual field, so we suggest watchful approach and periodic control. When there are visual field defects, trans-sphenoidal surgery can be considered safe and effective. In secreting adenomas and depending on the associated comorbidities, medical treatment would be the appropriate approach.

Keywords : Pituitary adenoma; Elderly patients; Clinical presentation; Treatment; Clinical outcome.

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