Presentation
Cough & dyspnea.
Patient Data
Age: 20 years
Gender: Female
From the case:
Tree-in-bud sign - normal CT virtual bronchoscopy
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Normal caliber of the trachea and bronchi with no evidence of stenosis.
From the case:
Tree-in-bud sign - normal CT virtual bronchoscopy
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Multiple centrilobular nodules and branching linear opacities of similar caliber originating from a single stalk (tree-in-bud pattern) in the left lower lobe.
Multiple enlarged mediastinal (prevascular, subcarinal) and left hilar lymph nodes.
Case Discussion
Normal CT virtual bronchoscopy.
The patient's symptoms are secondary to the left lower lobe "tree-in-bud opacities.
Causes of tree-in-bud sign:
-
infective bronchiolitis
-
congenital
-
connective tissue disorders
-
bronchial
-
neoplastic
Tree-in-bud in this case was secondary to endobronchial spread of tuberculosis.
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