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The good news came when Dr. Gordon called us later in the day. Here's the background information that makes his news into good news. MIBG is short for some crazy-long chemical name that has been manufactured as a radioactive isotope. It is a substance that is taken up by neuroblastoma cells (malignant tumor cells) in the course of their normal metabolic activity. The test involved getting an injection of this radioactive MIBG on Thursday, and then coming back in to be scanned on Friday. If there were any other growths elsewhere in her body, they would have showed up as bright spots on the scan, having collected this MIBG overnight. So any other bright spots on the scan would indicate that the cancer had spread to other locations in her body.
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That means that it is more probable than not that Tessa's tumor is a ganglioneuroma, not a neuroblastoma. They still won't know for sure until they take it out and look at it under a microscope. But it looks like it's the "good tumor," the one that is much more benign.
So we're thrilled. Not thrilled that she has a tumor, but thrilled that it looks like a less serious one, that hasn't spread anywhere else in her bones or tissues. While this one tumor has grown into her vertebral column somewhat, it's not near her spinal cord and it looks like when they take it out, it'll be gone for good. Thank you, Lord.
That's where we're at. The next step comes on Tuesday, when all the radiologists and surgeons, together with the oncologists, look at all her test results and images in a single sitting, and then make decisions from there. Joanna and I meet with Dr. Shamburger on Tuesday afternoon, so we'll have another update after that.