What Researchers Did
Researchers conducted a pilot study on five patients with recurrent neuroblastoma to test a new surgical technique using a gamma probe and a tracer dose of MIBG-I123 to locate tumors during reoperations.
What They Found
In six reoperations across five patients, the gamma probe successfully identified active neuroblastoma tissue that was visible on preoperative MIBG scans. The study also noted a potential relationship between the intensity of radioactivity detected and the tumor's level of maturation upon microscopic examination.
What This Means for Canadian Patients
This technique could potentially help Canadian surgeons more precisely locate and remove recurrent neuroblastoma, especially when normal anatomy is altered by previous treatments. Improving surgical precision may lead to more complete tumor removal for patients battling this aggressive cancer.
Canadian Relevance
This study was not conducted in Canada nor by Canadian authors. While hyperbaric oxygen was mentioned as a prior treatment for some patients, this study's focus is on a surgical technique for neuroblastoma, which is not a Health Canada-recognized indication for hyperbaric oxygen therapy.
Study Limitations
As a pilot study with a small sample size of five patients, it cannot determine if this method detects hidden tumors or ultimately improves patient outcomes.