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Toxic multinodular goiter

USU Teaching File MUTF - MedPix

View Article: MedPix Image - MedPix Case

Affiliation: Uniformed Services University

ABSTRACT

Diagnosis: Toxic multinodular goiter

History: 48 yo female followed in the internal medicine clinic for abnormal thyroid function tests, who is clinically euthyroid.

Findings: I-123 24-hour thyroid uptake scan was performed. The thyroid gland appears symmetrical, in usual shape and location. There are four foci of increased radiotracer concentration within the gland; one at the level of the isthmus on the right, one small focus at the junction of the middle and lower thirds of the right lobe, one in the upper left lobe and one in the mid-lower half of the left lobe. There are no photopenic areas identified. The thyroid-to-background ratio appears normal to increased.Radioiodine uptake: 4 hours- 6% (REF 2-12%); 24 hours- 16% (REF 12-30%)

Ddx: Toxic multinodular goiter Hashimoto’s thyroiditis Subacute thyroiditis Iodine deficiency Excessive thyroid hormone ingestion Grave’s disease

Exam: Thyroid gland- Non-tender, estimated to be approximately 25-30 grams in size. The contour of the thyroid is irregular. No discrete nodules are palpable. No cervical lymphadenopathy is appreciated.TSH- <0.08 (REF 0.49-4.67)FT4- 1.30 (REF 0.71-1.85)

No MeSH data available.


I-123 24-hour thyroid uptake scan was performed.  The thyroid gland appears symmetrical, in usual shape and location.  There are four foci of increased radiotracer concentration within the gland; one at the level of the isthmus on the right, one small focus at the junction of the middle and lower thirds of the right lobe, one in the upper left lobe and one in the mid-lower half of the left lobe.  There are no photopenic areas identified.  The thyroid-to-background ratio appears normal to increased.Radioiodine uptake: 4 hours- 6% (REF 2-12%); 24 hours- 16% (REF 12-30%)
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MPX1079_synpic17979: I-123 24-hour thyroid uptake scan was performed. The thyroid gland appears symmetrical, in usual shape and location. There are four foci of increased radiotracer concentration within the gland; one at the level of the isthmus on the right, one small focus at the junction of the middle and lower thirds of the right lobe, one in the upper left lobe and one in the mid-lower half of the left lobe. There are no photopenic areas identified. The thyroid-to-background ratio appears normal to increased.Radioiodine uptake: 4 hours- 6% (REF 2-12%); 24 hours- 16% (REF 12-30%)


Toxic multinodular goiter

USU Teaching File MUTF - MedPix

I-123 24-hour thyroid uptake scan was performed.  The thyroid gland appears symmetrical, in usual shape and location.  There are four foci of increased radiotracer concentration within the gland; one at the level of the isthmus on the right, one small focus at the junction of the middle and lower thirds of the right lobe, one in the upper left lobe and one in the mid-lower half of the left lobe.  There are no photopenic areas identified.  The thyroid-to-background ratio appears normal to increased.Radioiodine uptake: 4 hours- 6% (REF 2-12%); 24 hours- 16% (REF 12-30%)
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=MPX1079&req=5

MPX1079_synpic17979: I-123 24-hour thyroid uptake scan was performed. The thyroid gland appears symmetrical, in usual shape and location. There are four foci of increased radiotracer concentration within the gland; one at the level of the isthmus on the right, one small focus at the junction of the middle and lower thirds of the right lobe, one in the upper left lobe and one in the mid-lower half of the left lobe. There are no photopenic areas identified. The thyroid-to-background ratio appears normal to increased.Radioiodine uptake: 4 hours- 6% (REF 2-12%); 24 hours- 16% (REF 12-30%)

View Article: MedPix Image - MedPix Case

Affiliation: Uniformed Services University

ABSTRACT

Diagnosis: Toxic multinodular goiter

History: 48 yo female followed in the internal medicine clinic for abnormal thyroid function tests, who is clinically euthyroid.

Findings: I-123 24-hour thyroid uptake scan was performed. The thyroid gland appears symmetrical, in usual shape and location. There are four foci of increased radiotracer concentration within the gland; one at the level of the isthmus on the right, one small focus at the junction of the middle and lower thirds of the right lobe, one in the upper left lobe and one in the mid-lower half of the left lobe. There are no photopenic areas identified. The thyroid-to-background ratio appears normal to increased.Radioiodine uptake: 4 hours- 6% (REF 2-12%); 24 hours- 16% (REF 12-30%)

Ddx: Toxic multinodular goiter Hashimoto’s thyroiditis Subacute thyroiditis Iodine deficiency Excessive thyroid hormone ingestion Grave’s disease

Exam: Thyroid gland- Non-tender, estimated to be approximately 25-30 grams in size. The contour of the thyroid is irregular. No discrete nodules are palpable. No cervical lymphadenopathy is appreciated.TSH- <0.08 (REF 0.49-4.67)FT4- 1.30 (REF 0.71-1.85)

No MeSH data available.