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Updated: Jun 22, 2026

Electromagnetic Navigation Transthoracic Nodule Localization for Minimally Invasive Thoracic Surgery
Published on: May 4, 2022
Tree-in-bud pattern on thoracic CT due to pulmonary intravascular metastases from pancreatic adenocarcinoma
Yuen Li Ng1, David Hwang, Demetris Patsios
1Joint Department of Medical Imaging, Thoracic Division, University Health Network and Mount Sinai Hospital, Toronto, Canada. yuenli_ng@hotmail.com
Abstract:
We report a case of pulmonary intravascular metastases from pancreatic adenocarcinoma manifesting as tree-in-bud pattern on thoracic computed tomography. Although infectious bronchiolitis is the most common cause of tree-in-bud pattern, this case emphasizes that the differential diagnoses include pulmonary intravascular metastases, particularly in patients with extrapulmonary adenocarcinomas.
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