On May 2, 2005 to May 3, 2005 during a planned 1 day
5 hour5.787037e-5 days <br />0.00139 hours <br />8.267196e-6 weeks <br />1.9025e-6 months <br /> 22 minute
brachytherapy vaginal dose a calculated 27% under dose of 1825 cGy dose was administered in a 2.5 cm solid vaginal cylinder. Two 19.56 mg Ra equivalent
Cs-137 sources were used. This event was discovered on May 4, 2005 at 10 am, during a summary review, when the licensee discovered that the wrong size applicator cylinder was used. A 1.93 cm cylinder was planned to have been used to apply a 2500 cGy total dose.
The licensee contacted the patient about the under dose and plans to administer the rest of the dose on May 5, 2005. The licensee is formulating a plan to administer additional training to the hospital staff to prevent future events of this type.