青少年自发性纵隔气肿影像学表现与临床分析

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【Abstract】Objective To investigate the imaging findingsand clinical analysis of spontaneous pneumomediastinum（SPM）inadolescents.MethodsAretrospective analysis was conductedon 31clinicallydiagnosed adolescent patients with SPMas the research subjects.All patients underwent digital radiography （DR）or/and multi-slice spiral CTimaging，with afocus onanalyzing the imaging resultsand clinical characteristics of thepatients.ResultsAll 31 patients with confirmedadolescent SPM in this group underwent multi-slice spiral CT examination.25 patients （81%） （2号 underwent chest DR within 24 hours before undergoing CT examination.TheDRresults showed that1O of the 25 patients had a cleardiagnosis，6 had a suspected diagnosis，and9had no obvious positive signs.Allcases were confirmed by CT.The onset of the disease in the patients in our research group was triggered by exercise，coughing， vomiting，and emotional agitation.Thesymptomsof thepatients included chestpain，chest tightness，asthma，discomfortin theneckand chest，discomfort inswallowing，and pain.Allpatients recoveredafterconservative treatment. ConclusionThe clinical manifestations of SPMinadolescents are notparticularlydistinctive.Multi-slice spiral CT examination can provideadefinitive diagnosis，and in the absence of complications，most casescan be treated conservatively and recover fully.

【Key words】Emphysema; Mediastinal emphysema; Adolescent; Imaging; Clinical

青少年自发性纵隔气肿（spontaneouspneumo-mediastinum，SPM）是一种在无外部因素介入的情况下，纵隔内气体自发积聚并导致纵隔膨胀的疾病，主要发生在青少年中，特别是男性患者。（剩余5680字）