Pulmonary arteriovenous malformation

Case contributed by Mohamed Mahmoud Elthokapy


Incidental finding on chest X-ray for medical check-up.

Patient Data

Age: 40 years
Gender: Male

Right upper lung zone well defined solitary soft tissue pulmonary nodule measuring about 4x3 cm.

Well defined non-calcified nodule at the right upper lung lobe with a feeding arterial and draining venous branches of variable diameters.

Case Discussion

Pulmonary AVM is a common cause of solitary pulmonary nodule (coin lesion).

Contrast-enhanced computed tomography is a valuable tool in the diagnosis and defining the vascular anatomy of PAVM, However, angiography was better able to determine the angioarchitecture of individual PAVMs.

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