期刊
INFECTION AND DRUG RESISTANCE
卷 14, 期 -, 页码 4227-4235出版社
DOVE MEDICAL PRESS LTD
DOI: 10.2147/IDR.S330159
关键词
tomography; x-ray computed; pulmonary nodules; cryptococcosis
资金
- National Natural Science Foundation of China [81601545]
- Chongqing Health and Family Planning Commission Foundation [2016MSXM018]
This study aimed to investigate the characteristics of pulmonary nodules caused by cryptococcal infection through clinical and CT analysis. It was found that solitary nodules were smaller and less necrotic compared to multiple nodules, with similar clinical features. Identifying specific features such as air bronchogram, satellite lesions, or halo sign in solitary nodules can help in considering pulmonary cryptococcosis as a potential diagnosis.
Purpose: To investigate the clinical and computed tomography (CT) characteristics of pulmonary nodules caused by cryptococcal infection and gain a greater insight and understanding that will reduce misdiagnosis. Materials and Methods: A total of 47 patients with confirmed pulmonary cryptococcosis (PC) manifested as nodules were retrospectively enrolled from January 2013 to December 2020. The clinical and CT data of patients with single and multiple nodules were analyzed and compared with emphasis on exploring the characteristics of the solitary ones. Results: Among the 47 patients, single and multiple nodules were detected in 25 (53.2%) and 22 (46.8%) patients, respectively, with similar clinical characteristics. The diameter of solitary nodules was smaller than that of the largest ones of the multiple nodules (P = 0.000). Compared with multiple nodules, less solitary nodules were located in the subpleural zone (P = 0.031) and had a cavity or vacuole (P = 0.049). Regarding the solitary nodules, 22 (88.0%) and 3 (12.0%) were solid and subsolid, respectively. Eighteen (81.8%) solid solitary nodules exhibited either one of air bronchogram or vacuole, satellite lesions, and halo sign. Twenty-three (92.0%) of 25 patients with solitary nodules had follow-up CT data, and most of them had no changes (12, 52.1%) or increased in size and/or density (8, 34.8%), but only a few (3, 13.0%) decreased with or without anti-inflammatory therapy. Conclusion: The clinical characteristics of patients with solitary and multiple nodules caused by PC are similar. The solitary nodules are smaller, more scattered, but less necrotic than multiple ones. For solitary nodules with air bronchogram or vacuole, satellite lesions, or halo sign, PC should be considered as one of the differential diagnosis.
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