Phân tích đặc điểm vôi hóa trong xoang trên cắt lớp vi tính trong chẩn đoán viêm xoang do nấm

The aims of this study was to analyze the characteristics of intra-sinus calcification on computed tomography (CT scan) in the diagnosis of fungal sinusitis. Material and Methods: Descriptive study on 70 rhinosinusitis patients examined at Hanoi Medical University Hospital from January 2022 to July 2023. These patients were all underwent a CT scan of the sinuses, then endoscopic sinus surgery and diagnosis confirmed by post-operative fungal testing. Results: Mean age was 53±11.8, the lowest age was 30 years old, the highest age was 78. Fungal sinusitis was diagnosed in 60/70 patients, accounting for 86%, of which 46/60 patients were sinus mycosis, accounting for 76.7%, the remaining was chronic invasive fungal sinusitis. On CT scan, the most common location of calcification was in the center of the sinus, accounting for 84.9%, calcification at the periphery was only seen in 11.3% of cases, this difference was statistically significant with p<0.01. In the group of fungal sinusitis patients, the most common calcification morphology was line-shaped, accounting for 69.8%, the least common was round, eggshell, accounting for 3.6%. The location of calcification in the non fungal sinusitis group was mainly found in the periphery (75%), the difference was statistically significant with p<0.01. The sensitivity, specificity, accuracy, positive predictive value, negative predictive value of calcification signs in the opacities in diagnosing fungal sinusitis were Sn=88.3%; Sp=20%; ACC=78.6%, PPV=86.9%, NPV=22.2%, respectively. Conclusion: intra-sinus calcification on computed tomography had a high value sign for diagnosing fungal sinusitis.