A 43 year old woman presented with complaints of sudden onset breathlessness on exertion associated with right sided chest pain since seven days
The frontal chest radiogrph shows a pleurl effusion of moderate size with consolidation in the underlying lung. An intercostal drain is seen. The cardiac shadow is normal.
The CT pulmonary angiogram shows the right interlobar artery draining directly into the right inferior pulmonary vein via multiple dilated tortuous channels (nidus) in the right lower lobe. Coarse calcification is seen in the walls of the dilated collaterals. There is subsegmental collapse in the basal segments of right lower lobe. There is mild to moderate subpulmonic hemothorax on the right side. There is enhancing pleural thickening.