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Endocrine Abstracts (2022) 81 P255 | DOI: 10.1530/endoabs.81.P255

ECE2022 Poster Presentations Late-Breaking (41 abstracts)

Cushing syndrome in older women: age-related differences in disease origin and clinical manifestations

Amit Akirov 1,2 , Ilan Shimon 1,2 , Manisterski Yosi 3 , Nirit Aviran-Barak 3 , Varda Nadler 4 , Sandra Alboim 4 , Gloria Tsvetov 1,2,3 & Dania Hirsch 1,2,3


1Tel Aviv University, Sackler School of Medicine, Tel Aviv-Yafo, Israel; 2Beilinson Medical Center, Petah Tikva, Israel; 3Maccabi Health Services, Tel Aviv-Yafo, Israel; 4Maccabi Healthcare Services, Rehovot, Israel

Background: Adrenocorticotropic hormone (ACTH)-producing pituitary adenoma is the most common cause of endogenous Cushing syndrome (CS), but the relative proportion of adrenal causes of CS is rising. Limited data are available on the clinical manifestations and cause of CS in older women.

Objective: Determine the clinical presentation, biochemical profile, and cause of CS in women 65 years of age and older, compared with younger patients with CS.

Methods: Retrospective charts review of women with pituitary or adrenal CS, treated at Rabin Medical Center between 2000 and 2017, or at Maccabi Healthcare Services in Israel between 2005 and 2017. Patients were classified into 3 groups, according to age at diagnosis: ≤45 (young), 46-64 (middle-age), or<65 (elderly) years.

Results: The cohort included 142 women (mean age, 46.0 ± 15.1 years), including 81 (57.0%) with ACTH-producing pituitary adenoma, and 61 patients (43.0%) with adrenal CS: 68 young, 55 middle-aged, and 19 elderly women. Pituitary source for CS was more common among young patients (48 patients, 70.6%), compared with middle-aged (27 patients, 49.1%) or elderly women (6 patients, 31.6%) (P< 0.05). Weight gain was evident in 57.4% of young women (60.0% pituitary, 56.3% adrenal), compared with 15.8% of elderly women (50% pituitary, 0% adrenal) (P=0.011). Cushingoid features were more common among young vs. elderly patients, but the difference was not significant (40.0% vs. 22.1%, respectively; P=0.15). Among patients with adrenal CS, diagnosis of hypercortisolism was established following an incidental finding of an adrenal mass in 3 of 20 (15.0%) young women vs. 7 of 13 (53.8%) elderly women (P< 0.001). Mean urinary free cortisol levels were highest for young women (5.03±3.6xULN), followed by middle-aged (4.80±6.0xULN) and elderly (3.5±2.6xULN) women (P< 0.001), while no difference was recorded for serum cortisol levels following low-dose dexamethasone. Adrenal or pituitary tumor size was not different between groups. While in young patients with CS, urinary free cortisol levels were higher for those with adrenal vs. pituitary CS (6.61±3.2xULN vs. 4.36±3.6xULN), in middle aged (3.42±3.4xULN vs. 6.24±7.7xULN) and elderly (2.62±1.9xULN vs. 5.33±2.9xULN) patients, pituitary CS was associated with higher urinary free cortisol levels than adrenal CS.

Conclusions: Older patients with CS have distinct disease cause and presentation, as pituitary source is less common than adrenal CS, the latter is associated with milder hypercortisoluria and is frequently diagnosed incidentally. Weight gain was prevalent in young women, and uncommon in older women.

Volume 81

European Congress of Endocrinology 2022

Milan, Italy
21 May 2022 - 24 May 2022

European Society of Endocrinology 

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