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Objectives: We aimed to quantitatively analyze lung parenchymal changes in Behçet's patients and to detect early parenchymal quantitative changes that occur in the absence of positive visual radiological findings. Methods: In our study, a total of 31 patients with Behçet's disease, 17 with positive radiological findings and 14 patients without positive radiological findings, and a control group of 33 individuals were evaluated. The automatic program determined lung volumes, lung densities, and opacity volume percentages by evaluating the contrast‐enhanced lung computed tomography scans. Results: The total lung volume was 3632.98 ± 1100.53 mL in the Behçet's disease patient group and 4925.70 ± 1098.88 mL in the control group, and there was a significant decrease in the total lung volume in Behçet's disease patients (P < 0.0001). The mean lung density was −723.73 ± 65.16 in the Behçet's disease patient group and −767.35 ± 41.17 in the control group, and there was a significant increase in the mean density in the Behçet's patients (P = 0.0023). A significantly higher correlation was observed between lung density and lung volume in Behçet's patients (P < 0.0001, r = −0.795). The lung volume of Behçet's disease patients with negative radiological findings was significantly lower than that of the control group (P = 0.0342). Conclusions: Lung volumetric changes in Behçet's disease patients are the quantitative data most affected by the disease. In addition, lung volume decreases in Behçet's patients who do not have visual parenchymal involvement. [ABSTRACT FROM AUTHOR]

Introduction : Familial Mediterranean fever (FMF) is one of the common autoinflammatory diseases with multisystemic manifestation. Pleuritis is the only known pulmonary involvement of FMF; however, as far as we know, thoracic involvements in pleural, parenchymal, bronchial, and vascular structures have not been evaluated yet. Method: We included 243 consecutive FMF patients who applied to our clinic within the last 5 years and were requested to have a thorax CT for any reason and 122 trauma patients without any comorbidity. An experienced radiologist evaluated the thorax CT images blindly according to the relevant guidelines. We then presented the common incidental pulmonary and mediastinal findings on the thorax CT. Additionally, we compared patients with and without lung involvement according to demographic and disease-related parameters. Results: In our study, 167 of 243 patients (68.7%) had at least one of the pulmonary findings on their thorax CT. The most common pulmonary findings were apical fibrosis in 96 (39.5%) patients, parenchymal fibrotic changes in 48 (19.8%) patients, and a solitary parenchymal nodule smaller than 4 mm in 33 (13.6%) patients. All demographic, genetic, and disease-related characteristics, including the frequency of spondyloarthropathy, were similar in patients with and without pulmonary findings. Conclusions: We showed that the most common incidental pulmonary finding in our FMF cohort was apical fibrosis on thoracic CT. Our data did not show causality between FMF and apical fibrosis; therefore, more studies are needed to evaluate the frequency and clinical significance of apical fibrosis in FMF. Key Points • More than two-thirds of familial Mediterranean fever (FMF) patients in our study group who underwent a thoracic scan for any reason had pulmonary and mediastinal findings on thorax computed tomography (CT). • In our FMF cohort, the most common incidental pulmonary finding on their thorax CT was apical fibrosis. • All demographic and disease-related characteristics, including the frequency of spondyloarthritis, were similar between patients with and without pulmonary and mediastinal findings. [ABSTRACT FROM AUTHOR]

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OBJECTIVE: In this study, we aimed to draw attention to traumatic pulmonary pseudocysts, which are rare cavitary lesions resulting from thoracic trauma, and review the diagnostic and therapeutic approaches and results. METHODS: Between January 2014 and January 2017, 30 patients included in this study who were diagnosed with traumatic pulmonary pseudocysts, from 582 patients who were admitted to our hospital with blunt thoracic trauma. To obtain data from the hospital information management system of patients included in this study, permission was obtained from the medical specialization board and the data were analyzed retrospectively. RESULTS: The mean age of the patients with traumatic pulmonary pseudocysts was 40.8 years (range, 7–75 years), and 11 (36.7%) of the patients were under the age of thirty and 19 (63.3%) were over the age of thirty. Twenty-eight (93.3%) patients had lung contusion and among those who had traumatic pulmonary pseudocysts diameter less than 2 cm, in 10 (33.3%) patients, contusion was present. In 27 patients, TPP was seen in thoracic computed tomography and diagnosed in the first 12 hours, but only in 10 of these patients, traumatic pulmonary pseudocysts was seen on chest x-ray. The extrathoracic injury was found in 15 (50%) patients. Twenty-two (73.3%) patients underwent tube thoracostomy. No patient required a thoracotomy. CONCLUSION: Traumatic pneumatoceles are benign lesions and most of them regress with symptomatic treatment and supportive therapy without any specific treatment. [ABSTRACT FROM AUTHOR]