The following was received from the
Florida Department of Health (FDH) via email:
Source: Co-60, Gamma-Knife treatment
Dose to brain lesion: 15 gray in Orlando, 18 gray in Colorado
On April 27, a patient was consulted for a Co-60, Gamma-Knife treatment at Advent Health Orlando. The original [Adventist Health Orlando] Radiation Oncologist was made aware of previous treatment in Colorado and requested medical records. However, for two weeks in mid-May, the original Radiation Oncologist went on vacation. Then on May 14, the patient received Gamma Knife treatment from a different [Adventist Health Orlando] Radiation Oncologist. 13 brain lesions were treated. On May 17, the patient's records from Colorado were received by Advent Health Orlando, where on June 4 the original Radiation oncologist reviewed patient's records and discovered that, to 1 of the 13 lesions, the patient received 18 gray of treatment from a linear accelerator in Colorado, then received 15 gray of treatment from a Gamma Knife in Orlando. The Radiation Safety Officer (RSO) called [FDH] at 1000 EST on June 5, to report a potential medical event involving a duplicate treatment of a gamma knife to a patient.
The patient and the physician have been notified. The RSO stated that in the future, but not the present, unintended clinical consequences to the patient's target organ are expected as a result of this incident.
Florida Event Number: FL21-074
A Medical Event may indicate potential problems in a medical facility's use of radioactive materials. It does not necessarily result in harm to the patient.