Blood samples show thyrotoxicosis with positive TRAb.
Ultrasound appearances are those of thyroiditis with "thyroid inferno" in a co-existing multi nodular goiter. Scintigraphic appearances are in keeping with ultrasound findings, depicting inhomogeneous rather than diffuse increased uptake.
Overall, findings are consistent with nodular Graves disease, a.k.a. Marine-Lenhart syndrome.