期刊
QUANTITATIVE IMAGING IN MEDICINE AND SURGERY
卷 11, 期 4, 页码 1651-1667出版社
AME PUBL CO
DOI: 10.21037/qims-20-1323
关键词
Pulmonary tuberculosis (PTB); sarcoid galaxy sign; miliary tuberculosis; cluster of micronodules; reversed halo sign (RHS); emphysema; pneumatocele; interstitial pneumonia; organizing pneumonia (OP)
Tuberculosis is a major public health challenge with diverse CT manifestations, including clustered micronodules, reversed halo sign, and hematogenously disseminated PTB with diffuse ground glass opacity. Understanding these atypical CT changes can aid in more accurate diagnosis and differential diagnosis in clinical practice.
Tuberculosis is a serious public health challenge facing mankind and one of the top ten causes of death. Diagnostic imaging plays an important role, particularly for the diagnosis and treatment planning of tuberculosis patients with negative microbiology results. This article illustrates a number of atypical computed tomography (CT) appearances of pulmonary tuberculosis (PTB), including (I) clustered micronodules (CMNs) sign; (II) reversed halo sign (RHS); (III) tuberculous pneumatocele; (IV) hematogenously disseminated PTB with predominantly diffuse ground glass opacity manifestation; (V) hematogenously disseminated PTB with randomly distributed non-miliary nodules; (VI) PTB changes occur on the background of emphysema or honeycomb changes of interstitial pneumonia; and (VII) PTB manifesting as organizing pneumonia. While the overall incidence of PTB is decreasing globally, the incidence of atypical manifestations of tuberculosis is increasing. A good understanding of the atypical CT imaging changes of active PTB shall help the diagnosis and differential diagnosis of PTB in clinical practice.
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