She is now on the mend thanks to a groundbreaking surgery technique pioneered by Balcatta Vet Hospital�s Ramesh Sivacolundhu.
The highly technical �limb-sparing� surgery allowed Dr Sivacolundhu to remove Sandy�s bone tumour without amputating her leg.
Dr Sivacolundhu is the only veterinary surgeon in WA to have completed a fellowship in surgical oncology at Colorado State University.
Since returning from the United States three years ago, he has been performing the advanced techniques on animals around WA.
He said many people did not realise what options were available to treat cancer in animals.
�Cancer therapy is about understanding all those options and giving people a choice,� he said.
His internationally recognised research in the area has shown good outcomes can be achieved with limb-sparing surgery for bone cancers.
Sandy�s co-owner Dave McKinnell said the dog�s recovery had exceeded their expectations in every way.
�Five months on, she is running happily with no trace of a limp and her chemotherapy has not slowed her down in the slightest,� Mr McKinnell said.
Yanchep resident Kyra Nimmo, who also cares for Sandy, said she too was impressed by Sandy�s ability to adapt to the treatment and by her recovery.
�At her age it could have been quite a traumatic experience for her, but it has been well worth the decision to give this procedure a go,� she said.
Sandy recently finished her course of chemotherapy.