How to print the HTML content of the text field in Drupal 6 programmatically
You can use content_view_field


  content_view_field : Render a single field, fully themed with label
  and multiple values.


Code 

$node = node_load('NODE_ID');
echo content_view_field(content_fields("field_example"), $node, FALSE, FALSE); 


Reference


Print a formatted CCK field with PHP