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Multinodular Thyroid

On 11/12 I had a TSH done as part of an employee health fair. The TSH came back low (.2) indicating hyperactive tyroid. Had an thyroid u/s and fT3 done on 11/18. I work for hospital so U/S tech told me that I had 2 nodules. One on the left and one on the right with the one on the left being larger than the one on the right. The nurse called yesterday to schedule a Nuclear Tyroid Scan to be done on two days. I'm wondering what this test will tell them. Will it tell them that I have trouble swallowing most days? What would be the next step after this test? More test? I'm just ready to get it over with. I'm to the point that I'm tired of feeling like something is hung in my throat. Four years ago I went to an ENT to see if I had swallowing issues, he prescribed me 20mg of Prilosec said it was to help with LPR, but symptoms still persisted. Now this is the first time I actually have something saying there is something in my neck area. I just want it out.
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Hi Dr. Lupo..This is the results from my Nuclear Thyroid Scan on 12/09/10..I had a NuclearNuclear ventriculographyMedicine Tyroid Scan on 12/09/10 here are the notes and impression. Study perfomed with oral ingestion of 283 microcuries iodineIodine strong (lugols)-123 at 9:43 am on 12/09/10 with imaging and uptake at 6 hours, uptake at 24 horus. Uptake is 18% at 6 hours which is in the normal range; 24-hour uptake is 25.7%. Imaging,however, shows hot nodule centrally in the rightRight step prenatal vitaminslobe of the thyroid with suppression of the activity in the entire left lobe. There is a hypoechoic area of a photopenic area centrally in the left lobe that could represent a cold nodule. Correlation to the u/s performed 11/18/10 shows a dominant nodule centrally in the rightRight step prenatal vitaminslobe measuring 1.6x1.5 cm. This corresponds to the hot nodule seen on nuclearNuclear ventriculographymedicine scan. In left lobe there is centrally a complexComplex a
Complex b
Complex b-100cystic lesion, 1.0 x .98 cm which corresponds to the photopenic area seen on the nuclear scan.

Impression: Nodule on the right is hot, i.e., shows increased uptake and corresponds to the solid nodule centrally in the right lobe on u/s.  The left lobe is diffusely suppressed and there is no activity seen centrally corresponding to the complex cystic lesion in the mid left lobe of the thyroid. Hot nodules are typically benigh. The cold nodule is felt to represent a complex cystic lesion in the left lobe. Hyperfunctioning right nodule is suppressing the activity in the remainder of the left lobe of the thyroid.

I would greatly appreciate any comments to help me to decipher this information.  I am being referred to an endocrinologist, but wanted to understand what's going on in the mean time.  Thanks
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97953 tn?1440865392
MEDICAL PROFESSIONAL
The scan will tell you if the nodules are producing extra thyroid hormone leading to the slightly low TSH.  If the right 2.9cm nodule is not definitively "hot" (over-functioning) then it should undergo FNA biopsy.  TSI blood test to test for Graves' may also help in the evaluation of the low TSH>
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Update to questions previously posted. Got my results from dr as follows:
Thyroid gland is examined with u/s. The right lobe measures 4.6x2x2 cm. The left lobe measures 4.8x1.6x1.5 cm. The isthmus is 4.8 mm. There are areas increased and decreased echogenicity throughout the right and left lobes. Several nodes are solid. Some are cystic. This is compatible with a goiter. No other findings demonstrated. complex echogenic pattern suggests the possibility of thyroid adenoma in the right lobe measuring 2.9x2 cm in size.
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