Figure 1From: Endogenous avidin biotin activity (EABA) in thyroid pathology: immunohistochemical study Cytoplasmic EABA in PTC tissue. a) Cytoplasmic EABA in papillary thyroid carcinoma cells (LSAB+); objective magnification 5×; b) No reaction in the same sample of PTC (EnVision); objective magnification 5×.Back to article page