“Chronic Diarrhea” (cont.)

TSH (thyrotropin)-Receptor Antibodies: Negative

Radioactive Iodine Uptake (RAIU) scan: High, multi-nodular uptake

The patient was diagnosed with Toxic Multinodular Goiter. She was started on propranolol and methimazole and her symptoms resolved. In one month, her TSH and free T4 levels normalized. She received elective thyroidectomy and was subsequently initiated on levothyroxine.

For more, see hyperthyroidism