• Mircea-Viorel Ciurea, Ioan Ștefan Florian, Manuela Lenghel, Diana-Raluca Petea-Balea, Alexandra Roman, and Silviu Albu.
• Discipline of Oro-Maxillo-Facial Surgery and Implantology, Faculty of Dental Medicine, Iuliu Hatieganu University of Medicine and Pharmacy, 400029 Cluj-Napoca, Romania.
• Medicina (Kaunas). 2024 Apr 25; 60 (5).

AbstractBackground and Objectives: A magnetic resonance imaging (MRI) scan is part of the diagnostic protocol in pituitary adenoma patients. The goal of the present study is to present and analyse the MRI appearances of the sphenoid sinus (SS) in patients with non-functioning pituitary adenoma (NFPA). Materials and Methods: This is a retrospective case-control study conducted between January 2015 and December 2023 in a tertiary referral hospital. Forty NFPA patients were included in the study group, while the control group consisted of 30 age- and gender-matched cases. Results: The sellar type of SS pneumatization was the most frequently encountered pattern among both groups. The presence of the lateral recess of the SS, mucosal cysts, and sphenoethmoidal cells was similar in both patient groups. The proportion of patients with SS mucosal thickness greater than 3 mm was 42.5% in NFPA group and 3% in the control group, and this difference was statistically significant (p < 0.001). The space between the two optic nerves was significantly larger in the NFPA group as compared to the control group (p < 0.001). Conclusions: Our study was able to establish a statistically significant association between the presence of NFPA and both the thickening of the SS mucosa and increased space between optic nerves.

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