I have been diagnosed with an autoimmune thyroid diease, but I have been told that it is not Hashimotos. My thyroid is minimally enlarged, in the ultrasound and scintography it can be seen that there is an infection process, but there are no signs of autonomy. My TSH is 5.5, FT4 is 1.0, FT 3.3, TPO-AK is 59, TSH Receptor Antibodies are also negative. I have been advised to take hormones and that I am allowed to take iodine. I feel confused as the only advice I can find for automimmune hyppothyroidism is with regards Hashimotos, for which it is advised tooid iodine. Please could you perhaps enlighten me as to what my diagnosis may be? I have been told that I will probably have this for the rest of my life.