Figure 1.

(A) Operative field in a 27 yr old male thalassaemia patient with a history of recurrent pericarditis and effusive constrictive pericarditis at the time of surgery (B) with biopsy from the same patient demonstrating significant pericardial thickening with severe iron deposition and a small amount of muscle in the left hand corner which contains iron (Prussian Blue Stain).