Woman, 76 y. o.
Very enlarged gland, with irregular surface. Very firm consistence.
Serious hypothyroidism (TSH=86 mcIU) with
strongly positive thyroid peroxidase antibodies.
FNA: lymphoid inflammatory infiltration;
oncocytes without atypias. Thyrocytes in active proliferation with chromatin clarification
and overlapping nuclei.
Histologic exam: Hashimoto's thyroiditis.
Ultrasound scan images.
Color and powerdoppler