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    Choroidal Thickness in Mild Autonomous Cortisol Secretion
    (Kare Publ, 2024) Doğan Çakır, Sezin; Çakır, Akın; Yener Öztürk, Feyza; Basmaz, Seda Erem; Batman, Adnan; Saygılı, Emre Sedar; Selvinaz Erol, Rumeysa
    Objectives: To evaluate the patients with mild autonomous cortisol secretion (MACS) by means of choroidal thickness (CT) and also investigate whether CT may be a diagnostic tool in the management of MACS or not. Methods: Twenty-seven patients with MACS and 25 age -sex -matched healthy controls were enrolled in this cross-sectional comparative study. All the participants underwent CT measurement by using Spectralis optical coherence tomography (Heidelberg Engineering, Heidelberg, Germany) with enhanced deep imaging mode at the subfoveal, 500-1000-1500 mu m nasal and 500-10001500 mu m temporal to the foveola. Results: The groups were similar in terms of spherical equivalence, age and axial lengths. The mean CT was significantly thicker in patients with MACS than controls in all measurement quadrants (p<0.001). There was no significant correlation between CT, size of the adenoma, basal cortisol, 1mg dexamethasone suppression test, salivary cortisol, 24 -hour total urine -free cortisol, ACTH and DHEAS levels. However, 2 mg dexamethasone suppression test results were found to be significantly correlated with CT in temporal 500-1000 and 1500 m quadrants (r=0.436, p=0.023, r=0.443, p=0.021 and r=0.488, p=0.010, respectively). Five (18.5%) eyes had pachychoroid pigment epitheliopathy in the MACS group. Conclusion: CT increases in patients with MACS and those tend to have pachychoroid pigment epitheliopathy more frequent than healthy individuals. A thicker choroid in the patients with MACS may be a novel biomarker both as a diagnostic tool for the degree of hypercortisolemia and cortisol-related comorbidity.