Accuracy of Fine Needle Aspirate in Sarcoma Diagnosis

Lili Duda, VMD
Ultima Vez Modificado:: 1 de noviembre de 2001

Question:

Dear OncoLink "Ask the Experts,"
Our 10-year old neutered mixed-terrier was diagnosed with sarcoma of the front left elbow by x-rays and a fine-needle aspirate. He then had chest x-rays (which showed no evidence of macroscopic pulmonary metastasis), and a biopsy, including a bone sample. However, the biopsy results were negative in all specimens, including the bone. Our specialist gave us two choices:
  1. amputate the leg now with the possible knowledge that we are amputating a leg with no cancer, or
  2. wait one month and then re-x-ray the leg and chest with possible biopsy of the same area
We have chosen option two, knowing that in one month the cancer could metastasize and it could be too late to save our dog.

Is there anything else we could be doing now to possibly save the life of our dog? Would it help to take a blood sample? We feel we are wasting valuable time if he does have cancer.
Feeling helpless,
C

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