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Late Effects of Treatment for Childhood Cancer (PDQ®)

  • Posted: 04/23/2004
  • Updated: 10/27/2014

Table 7. Thyroid Late Effects

Predisposing Therapy  Endocrine/Metabolic Effects Health Screening 
mIBG = metaiodobenzylguanidine; T4 = thyroxine; TSH = thyroid-stimulating hormone.
Radiation impacting thyroid gland; thyroidectomyPrimary hypothyroidismTSH level
Radiation impacting thyroid glandHyperthyroidismFree T4 level
TSH level
Radiation impacting thyroid gland, including mIBGThyroid nodulesThyroid exam
Thyroid ultrasound