PMC6949677_01
PMC6949677_02
(a) (Hematosilin-Eosin) thyroid tissue replaced by adipocytes, preserving only the thyroid follicles, surrounded by eosinophilic, hyaline, and amorphous aggregates, (b) (amyloid A staining) are positive in immunohistochemistry to amyloid AA antibody.
CRIE2019-4291486.001.jpg
PMC6949677_02_CRIE2019-4291486.001.jpg
fig1
Histologically, a diffuse adipose metaplasia of the thyroid stroma was observed, associated with the deposition of amyloid material in the vascular walls and in the thyroid interstitium (Figure 1).