When I edited a RAW image firstly in Lightroom 5 then wished to edit it further in CS5, the changes I made in Lightroom would transfer through into CS5. Now all I get in CS5 is the form of the original Raw file without the changes made in Lightroom.
Have a read of this to see if it explains your issue (and how to resolve it):
Lightroom edits not appearing when using "Edit in Photoshop" - Lightroom Forums
Retrieving data ...