CTICasesEnlarging Peripheral Pulmonary Vessels in a Single Lung Transplant
[...]. Enlarging Peripheral Pulmonary Vessels in a Single Lung Transplant. CTICases. Published October 23, 2026. https://cticases.com/c/59kft
Imaging findings
Serial CT a year apart shows larger peripheral vessels in the transplanted left lung, while the fibrosis in the native lung looks much the same. The central pulmonary artery is similar in size, the veins are widely patent, and there is no septal thickening or narrowing.
Key takeaways
More of the cardiac output may shift to the transplanted lung over time, remodelling its peripheral vessels within a year. The speaker considered this a volume-related flow change without clinical consequence, since the patient was doing well and the kidneys were working, though it may reflect pulmonary arterial pressure.
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