A Case of Type 2 Amiodarone-Induced Thyrotoxicosis That Underwent Total Thyroidectomy under High-Dose Steroid Administration

Figure 4

(a) Gross pathological findings of the excised thyroid gland. (b, c) H-E staining of the thyroid gland in low-power (b) and high-power fields (c). Several sizes of follicle were regularly lined with flattened follicular epithelium. The lumen was filled with colloid. Scattered disrupted follicles with enlarged epithelium and cytoplasmic vacuoles were observed (b). Macrophages had infiltrated and multinucleated giant cells were found in follicular lumen (c). Immunostaining with anti-KP-1 (CD68) antibody (d). Immunostaining with antithyroglobulin antibody (e).

(a)

(b)

(c)

(d)

(e)