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目的 分析总结SARS的X线表现。方法 回顾性分析 50例确诊为SARS患者的X线表现及其发展过程。结果 (1)SARS的X线主要表现为早期即可出现大小不一、边界模糊的片状阴影 ,以下肺及肺野外周多见。可单发或多发 ,可单侧肺受累或双侧同时受累 ,形态多样 ,变化迅速。随病情进展 ,单发病灶多发展为单侧多发或双侧多发病灶。空洞 (1例 )、结节状病灶 (1例 )、胸腔积液 (2例 )及胸膜肥厚粘连 (1例 )改变少见 ,未见有钙化灶。X线的进展情况可分为 4种 :X线改变严重程度加重 ,出现 1个高峰后 ,病灶逐渐改善 ,共 3 2例 (占 64% ) ;X线改变波动 ,共 9例 (占 18% ) ;X线改变较平稳 ,共 7例 (占 14 % ) ;X线表现进行性恶化 ,共 2例 (4% )。 (2 ) 50例SARS患者的肺部X线表现可初步分为三型 :实质型 3 6例 (占 72 % ) ,间质型 4例 (占 8% ) ,混合型 10例 (占 2 0 % )。 (3 )转归 48例X线胸片有明显吸收 ,多在接受治疗后 6～ 3 9d吸收消散 (平均为 15.9d) ,1例治疗期间死亡 ,1例病危 ,其X线表现加重。结论 胸部X线检查可以协助临床早期发现SARS ,并可了解其进展及转归 ,为临床诊断及治疗提供重要依据
Objective To analyze and summarize the X-ray findings of SARS. Methods Retrospective analysis of 50 cases of confirmed SARS patients X-ray findings and its development. Results (1) The main manifestations of X-ray of SARS were early appearance of flaky shadows of different sizes and blurred boundaries, which were more common in the following lungs and lung fields. Can be single or multiple, can be affected by unilateral lung involvement or bilateral at the same time, diverse forms, rapid changes. With the progression of the disease, multiple lesions develop more than unilateral multiple bilateral or bilateral lesions. Nodular lesions (n = 1), pleural effusion (n = 2), and pleural thickening adhesions (n = 1) were rare and no calcifications were found. The progress of X-ray can be divided into four kinds: the severity of X-ray changes aggravate, after one peak appeared, the lesion improved gradually, a total of 32 cases (64%); X-ray fluctuations, a total of 9 cases ); X-ray changes relatively stable, a total of 7 cases (14%); X-ray showed progressive deterioration, a total of 2 cases (4%). (2) The lung manifestations of 50 cases of SARS can be divided into three types: 36 cases (72%), 4 cases (8%), and 10 cases (20 cases) %). (3) The radiographs of 48 cases of X-ray showed obvious absorption, mostly absorbed and dissipated 6 ~ 39 days after treatment (average 15.9 days), one died during treatment and one was critically ill, the X-ray showed aggravating. Conclusion Chest X-ray examination can help SARS early detection, and can understand the progress and prognosis, providing an important basis for clinical diagnosis and treatment