CTICasesChest Wall Venous Malformation
Imaging findings
Contrast-enhanced CT shows multiple well-defined, shaggy, lobulated slow-flow venous malformations in the chest wall, containing numerous calcified phleboliths. There is anomalous drainage directly into central veins (brachiocephalic vein) on delayed phase imaging.
Key takeaways
Venous malformations are slow-flow vascular lesions present at birth that grow with the patient. On CT, they are characterized by the presence of phleboliths (calcified thrombi) and shaggy, progressive enhancement on delayed-phase imaging. Biopsy should be avoided due to bleeding risk, and asymptomatic lesions are managed conservatively.
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