Bronchial cut-off sign | Radiology Reference Article - Radiopaedia.org
2017年10月20日 · The bronchial cut-off sign refers to the abrupt truncation of a bronchus from obstruction, which may be due to cancer, mucus plugging, trauma or foreign bodies. Typically, there is associated distal lobar collapse.
Four types of bronchial cutoff signs. (A) Type I: the lesion grows ...
(A) Type I: the lesion grows along the outline of the bronchus with a noted truncation of the proximal lumen (red arrow). (B) Type II: bronchus (red arrow) is obstructed abruptly by the lesion. (C)...
Atypical cause of bronchial cut-off sign - Thorax
Several conditions can result in mucus plugging leading to lobar collapse, particularly allergic bronchopulmonary aspergillosis (ABPA), plastic bronchitis, asthma or occasionally Aspergillus infection.1 However, in this case, the presentation of such a delineated bronchial cut-off sign is atypical, especially in a premorbidly well person.
Bronchus Sign on CT Scan Rediscovered - CHEST
The authors have reaffirmed what is already known to be true for conventional transbronchial lung biopsies. The CT scan bronchus sign refers to the presence of a bronchus leading directly to a peripheral lung lesion.
The value of the air bronchogram sign on CT image in the …
2018年8月21日 · Traditionally, the air bronchogram sign is used for diagnosis of alveolar disease with rare exceptions. In our study, the air bronchogram sign was defined as an air-containing bronchus or bronchioles within the SPL in lung cancer, bronchiectasis, and pneumonia.
Cut Off Sign - meddean.luc.edu
When you see an abrupt ending of visualized bronchus, it is called a "cut off sign". It indicates an intrabronchial lesion. This is useful to identify the etiology of atelectasis .
Atypical cause of bronchial cut-off sign - PubMed
Keywords: aspergillus lung disease; bronchiectasis; bronchoscopy; lung cancer.
biopsies. The CT scan bronchus sign refers to the presence of a bronchus leading directly to a periph-eral lung lesion. However, this relationship between the airways and tumors is not homogenous, and Tsuboi et al 13 classifi ed four variations: (1) bronchus patent up to the tumor and then cut off; (2) bronchus
Unusual cause of acute respiratory compromise in a postpartum …
Bronchial Cut-off sign refers to complete and abrupt truncation of a bronchus with complete opacity of ipsilateral lung with distal lung collapse. It occurs due to a mucous plug or blood clot obstructing the airway.
Lung cancer associated with cystic airspaces: CT and pathological ...
The CT signs of these lesions included lobulation sign (n=25), spicule sign (n=21), pleural indentation sign (n=22), vessel convergence sign (n=17), nodules on cystic wall (n=16), bronchial cut-off sign (n=15), uneven thickening of the cystic wall (n=10), and honeycombing (n=7).
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