Neither.: If you have normal TSH and T4 you have neither of those diseases yet. You may develop hashimoto's in the future but may not. Progression should be monitored with TSH and possibly ft4.
Answered 1/15/2015
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Subclinical : The positive TPO suggests autoimmune thyroid disease, but the normal TSH and FT4 suggests that it is not affecting you. Abnormal TSH/FT4 could occur in future, but it could be far into future. A positive TPO is typical of Hashimoto's thyroiditis, but is also seen with Graves. Patients with Graves often have a positive TRAB (thyroid receptor antibody). Thyroglobulin is not helpful.
Answered 12/31/2018
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