Tree-in-bud appearance - endobronchial spreading of pulmonary tuberculosis

Case contributed by Mohammad Taghi Niknejad
Diagnosis probable


Chronic cough and respiratory distress.

Patient Data

Age: 55 years
Gender: Male

Cavitary lesion with decreased lung parenchymal volume is seen at right upper lobe. Alveolar opacity is noted at lingula segment of left upper lobe. Centrilobular nodules with a linear branching pattern are also seen at both lung parenchyma. 

Case Discussion

Centrilobular nodules with a linear branching pattern are consistent with tree-in-bud appearance in a patient with endobronchial spreading of post-primary tuberculosis.

How to use cases

You can use Radiopaedia cases in a variety of ways to help you learn and teach.

Creating your own cases is easy.

Updating… Please wait.

 Unable to process the form. Check for errors and try again.

 Thank you for updating your details.