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Horm Metab Res 2025; 57(03): 163-169
DOI: 10.1055/a-2527-2029
Original Article: Endocrine Care

Clinical Features and Remission Rates in Cushing’s Disease: A Comparison of MRI-Detectable and MRI-Undetectable Pituitary Adenomas

Serhat Uysal
1   Department of Internal Medicine, Division of Endocrinology and Metabolism, Faculty of Medicine, Istanbul University-Cerrahpasa, Istanbul, Turkey (Ringgold ID: RIN64298)
,
Cem Sulu
1   Department of Internal Medicine, Division of Endocrinology and Metabolism, Faculty of Medicine, Istanbul University-Cerrahpasa, Istanbul, Turkey (Ringgold ID: RIN64298)
,
Ilkin Muradov
1   Department of Internal Medicine, Division of Endocrinology and Metabolism, Faculty of Medicine, Istanbul University-Cerrahpasa, Istanbul, Turkey (Ringgold ID: RIN64298)
,
Serdar Sahin
1   Department of Internal Medicine, Division of Endocrinology and Metabolism, Faculty of Medicine, Istanbul University-Cerrahpasa, Istanbul, Turkey (Ringgold ID: RIN64298)
,
Nurdan Gul
2   Department of Internal Medicine, Division of Endocrinology and Metabolism, Faculty of Medicine, Istanbul University, Istanbul, Turkey (Ringgold ID: RIN60521)
,
Ozlem Soyluk Selcukbiricik
2   Department of Internal Medicine, Division of Endocrinology and Metabolism, Faculty of Medicine, Istanbul University, Istanbul, Turkey (Ringgold ID: RIN60521)
,
Ayse Kubat Uzum
2   Department of Internal Medicine, Division of Endocrinology and Metabolism, Faculty of Medicine, Istanbul University, Istanbul, Turkey (Ringgold ID: RIN60521)
,
Gokcen Unal Kocabas
3   Department of Internal Medicine, Division of Endocrinology and Metabolism, Faculty of Medicine, Ege University, Izmir, Turkey (Ringgold ID: RIN64212)
,
Banu Sarer Yurekli
3   Department of Internal Medicine, Division of Endocrinology and Metabolism, Faculty of Medicine, Ege University, Izmir, Turkey (Ringgold ID: RIN64212)
,
Aysa Hacioglu
4   Department of Internal Medicine, Division of Endocrinology and Metabolism, Faculty of Medicine, Erciyes University, Kayseri, Turkey (Ringgold ID: RIN64212)
,
Zuleyha Karaca
4   Department of Internal Medicine, Division of Endocrinology and Metabolism, Faculty of Medicine, Erciyes University, Kayseri, Turkey (Ringgold ID: RIN64212)
,
Mehmet Barburoglu
5   Department of Radiology, Faculty of Medicine, Istanbul University, Istanbul, Turkey (Ringgold ID: RIN64298)
,
Bora Korkmazer
5   Department of Radiology, Faculty of Medicine, Istanbul University-Cerrahpasa, Istanbul, Turkey (Ringgold ID: RIN64298)
,
Osman Kizilkilic
5   Department of Radiology, Faculty of Medicine, Istanbul University-Cerrahpasa, Istanbul, Turkey (Ringgold ID: RIN64298)
,
Pinar Kadioglu
1   Department of Internal Medicine, Division of Endocrinology and Metabolism, Faculty of Medicine, Istanbul University-Cerrahpasa, Istanbul, Turkey (Ringgold ID: RIN64298)
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Abstract

We aimed to characterize the clinical features and remission rates of patients with Cushing’s Disease (CD) without magnetic resonance imaging (MRI) detectable pituitary adenoma compared to CD patients with MRI-detectable pituitary adenoma.All patients with adrenocorticotropic hormone (ACTH)-dependent Cushing’s syndrome (CS) without MRI-detectable pituitary adenoma underwent high-dose dexamethasone suppression test, corticotropin-releasing hormone stimulation test, and/or bilateral inferior petrosal sinus sampling (BIPSS). The diagnosis of CD in patients without MRI-detectable adenoma was confirmed when the results of dynamic testing and sampling concordantly indicated ACTH-producing adenoma.These patients were included in MRI-undetectable group. Patients with ACTH-dependent CS had pituitary adenoma≥6 mm and those with pituitary adenoma<6 mm but BIPSS findings indicative of CD were included in MRI-detectable adenoma group. The study included 60 patients without MRI-detectable adenoma and 74 patients with MRI-detectable adenoma. At presentation, patients without MRI-detectable adenoma were older [47 years (30.25–58) vs. 40.5 years (29–49), p=0.036]. Hypertension (65% vs. 47.3%), diabetes mellitus (58.3% vs. 39.2%), and cardiovascular disease (13.3% vs. 2.7%) were more common in patients without MRI-detectable adenoma (p=0.040, p=0.027, p=0.020; respectively). The transsphenoidal surgery as initial treatment was higher in the patients with MRI-detectable adenoma group (97.3% vs. 80%, p=0.001). Third-month remission (60.4% vs. 63.8%, p=0.700) after surgery, and remission rates in the last visit (65.3% vs. 79.7%, p=0.077) were similar between the two groups. Inconclusion, the absence of an MRI-detectable adenoma underscores the necessity for comprehensive management.

Keywords

Cushing’s disease - management - pituitary adenoma - sella imaging - transsphenoidal surgery


Publication History

Received: 12 October 2024

Accepted after revision: 22 January 2025

Article published online:
06 March 2025

© 2025. Thieme. All rights reserved.

Georg Thieme Verlag KG
Oswald-Hesse-Straße 50, 70469 Stuttgart, Germany

 

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