Please click here to obtain permission to reproduce this image.
Click on image to view larger version.
Figure 4 Elastin stain of pulmonary veins (x400 reduced by 50%). (A) Control patient with hypoplastic left heart syndrome and an atrial septal defect measuring 3 to 4 mm. The pulmonary vein is thin. There is little elastin staining within the wall and no distinct elastic lamina noted. (B) Infant with type B atrial morphology and obstructed decompression pathway. The pulmonary vein is thick walled with multiple elastic laminae noted ("arterialization" of the pulmonary vein).
|
