I apologize for not seeing this thread sooner. In answer to your question, Gidget is still alive and is now in remission. She is off all meds and doing great. Here is the link to the site with information and a support group that will provide you some hope.
NewGMEDogs : NewGMEDogs
A photo of Gidget and an update on her condition is on the Yorkie Angel Patrol site under Faces of GME/NME.
gmefaces