Partial anomalous pulmonary venous return (PAPVR)

Discussion:

Left-sided PAPVR has been reported to be found more often in adults, whereas right-sided PAPVR is reported more commonly in children. It is unclear if this is because of a higher proportion of symptomatic manifestation of the latter. The left upper lobe vein anomaly is thought to be most common.

Subtypes of a left ventricular diverticulum:

  • muscular type
    • often originates at the apex and comprises mainly muscular fibers that contract synchronously with the ventricle(which was in our case)
    • often associated with other congenital defects
  • fibrous diverticulum: composed of mostly fibrous tissue.
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