Abstract
Purpose
To compare thalamic volume and cognitive functions of patients with mild autonomous cortisol secretion (MACS) with control subjects and patients with overt Cushing’s syndrome (CS).
Methods
In this cross-sectional study, volumes of regions of interest were assessed using 3 T magnetic resonance imaging and a voxel-based morphometry approach in 23 patients with MACS, 21 patients with active CS, 27 patients with CS in remission, and 21 control subjects. Cognitive functions were assessed using validated questionnaires.
Results
Patients with MACS had smaller left thalamic (F = 3.8, p = 0.023), left posterior thalamic (F = 4.9, p = 0.01), left medial thalamic (F = 4.7, p = 0.028), and right lateral thalamic (F = 4.1, p = 0.025) volumes than control subjects. Patients with active CS also had smaller left thalamic (F = 3.8, p = 0.044), left posterior thalamic (F = 4.9, p = 0.007), left medial thalamic (F = 4.7, p = 0.006), and right lateral thalamic (F = 4.1, p = 0.042) volumes compared to controls. Patients with CS in remission had smaller left medial (F = 4.7, p = 0.030) and right lateral thalamic (F = 4.1, p = 0.028) volumes than controls. Neuropsychological tests showed no difference between the groups.
Conclusion
MACS may decrease thalamic volume.
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This study was funded by The Scientific and Technological Research Council of Turkiye (Project No: 220S794).
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Sulu, C., Koca, O., Icli, T.B. et al. Altered thalamic volume in patients with mild autonomous cortisol secretion: a structural brain MRI study. Neuroradiology 65, 1037–1051 (2023). https://doi.org/10.1007/s00234-023-03156-3
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DOI: https://doi.org/10.1007/s00234-023-03156-3