The following information was provided by the
South Carolina Department of Environmental Services (the Department) via phone and email:
The South Carolina Department of Environmental Services was notified via telephone at approximately 0730 EDT on April 3, 2026, that a medical event had been discovered by the licensee on April 2, 2026, at approximately 1400 EDT. The Medical University of South Carolina (MUSC) reported an underdose to a patient's liver during a Y-90 microsphere procedure by 76 percent of the prescribed 550 Gy dose. The licensee estimates that the patient received 132.7 Gy, which is 24 percent of the intended 550 Gy dose. The licensee reports the total dose or activity delivered differs from the prescribed dose or activity, as documented in the written directive, by 20 percent or more. The patient was notified of this medical event verbally.
The licensee reports no immediate or ongoing concerns to public health and safety. Department inspectors will be dispatched to the facility to investigate this event. This event is still under investigation by the South Carolina Department of Environmental Services.
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.