INDICATION: 74 yr old complains of left chest pain radiating
to left upper back. Occasional cough. Remote history of pulmonary
tuberculosis.
COMPARISON: No previous study available for comparison.
TECHNIQUE: Noncontrast CT of the chest is performed. Multiplanar
reformatted images are submitted for review.
FINDINGS:
LUNGS: There is an arteriovenous fistula in the base of the right
upper lobe accounting for findings reported on the chest x-ray. There
is subpleural nodular scarring in the right lower lobe and to a lesser
extent in the lingula. The lungs are emphysematous in appearance with
scattered small pneumatoceles.
PLEURA: No pleural effusion.
AIRWAYS: No central endobronchial lesion.
MEDIASTINUM: No mediastinal or bulky hilar lymphadenopathy.
CARDIAC: No cardiomegaly. No pericardial effusion.
VESSELS: There are mild atherosclerotic calcifications in the aortic
arch.
BONES: No acute abnormalities are seen.
OTHER: Limited images through the upper abdomen are unremarkable.
IMPRESSION:
Right upper lobe arteriovenous malformation (?sporadic versus
hereditary hemorrhagic angiectasia).
