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"ARTERIOVENOUS MALFORMATION (AVM)"

“ Affects up to 15% of people with hereditary haemorrhagic telangiectasia ( Osler-Weber-Rendu syndrom e). Patients may present with orthodeo...

Affects up to 15% of people with hereditary haemorrhagic telangiectasia (Osler-Weber-Rendu syndrome). Patients may present with orthodeoxia (postural hypoxaemia accompanied by breathlessness) or stroke due to paradoxical emboli.
PLAIN FILM/CT

•  Well-defined, lobulated nodules with a feeding artery and draining vein
•  May contain phleboliths
• Most are unilateral and two-thirds are in the lower lobes.