The State provided the following information via facsimile:
The patient was planned to receive an HDR brachytherapy dose of 750 cGy in a single fraction to a distance of 1.0 cm beyond the active dwell positions in the right lung. A catheter was inserted in the right bronchus on November 22, 2005 for the treatment. The catheter was marked at the entrance of the nostril and taped to the nose and face. The patient was then taken to CT for the treatment planning. The treatment plan was developed and approved. The patient was treated in a linear accelerator vault. Prior to treatment, a dummy wire was placed into the catheter and a megavoltage portal image was taken to confirm placement of the catheter. The radiation oncologist believed that he had verified the catheter placement from the portal image. The catheter was connected to the HDR unit and the treatment was performed. At the conclusion of the treatment, the prescribing physician and nurse entered the treatment room to remove the catheter from the patient. At that time it was discovered that the catheter was not fully inserted into the patient's lung. The mark that was put on the catheter during the planning was 15 cm outside of the nose. Apparently the catheter had become loose from the tape. According to the prescribing physician the dose used for this treatment was not enough to produce any significant sequalae in the upper thorax and neck region. The patient was informed on 11/22/05. External beam therapy will be used for the missing dose to the lung. Some procedures have been modified to prevent this from reoccurring.
LA Event Report ID No: LA050009