Table 1. Exposure Risk from Residential History | |
---|---|
Hanford Residence History | Exposure Risk From Hanford 1-131 Releases |
Patient born after 1951. | No exposure risk, regardless of residence location. |
Patient born prior to 1951 but never resided in a general exposure area. | No exposure risk. |
Patient resided in a general exposure area at anytime during 1945-1951 a. Was age 0-4 yrs during residence* b. Backyard cow or goat as milk source c. Resided in central exposure area |
Possible risk of thyroid radiation increases exposure risk increases exposure risk increases exposure risk |
*Children older than 4 years at exposure are also at increased risk, though not as high as below age 4; adults older than 40 years at exposure are at greatly reduced risk. |
Table 2. Thyroid Evaluation Guidelines | ||||
---|---|---|---|---|
Category | Thyroid Palpation | TSH | Basic Thyroid Work-up | Comments |
1 | Normal | Normal | None | Reassure if no exposure. Perform ultrasound if positive exposure history exists. |
2 | Normal | Abnormal | Yes, see #1 above | Perform ultrasound if positive exposure history exists. |
3 | Abnormal | Normal | Yes, see #2 above | Perform ultrasound if positive exposure history exists. Add FNA's of nodule(s) greater than 10mm |
4 | Abnormal | Abnormal | Yes, see #1 & #2 above | Perform ultrasound if positive exposure history exists. Add FNA's of nodule(s) greater than 10mm |