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File:IPLab6GravesDisease1b.jpg|This is a photograph of the thyroid from this case. Note that the gland is enlarged and is dark red.
File:IPLab6GravesDisease2.jpg|This is a low-power photomicrograph of thyroid tissue from this case. The tissue is very cellular with very little colloid.
File:IPLab6GravesDisease3IPLab6GravesDisease3x.jpg|This is a higher-power photomicrograph of thyroid. The tissue is very cellular and there is little much less colloid(C) filling the glands than is normally seen.
File:IPLab6GravesDisease4.jpg|This is a high-power photomicrograph of thyroid. Note the cellularity of the tissue with marked infolding of the epithelial tissue.
File:IPLab6GravesDisease5IPLab6GravesDisease5x.jpg|This is a high-power photomicrograph of thyroid. Note the papillary projections and the moth“scalloped” or “moth-eaten eaten” appearance (arrows) of the colloid(C). This appearance indicates active absorption of the colloid to form thyroglobulin.
File:IPLab6GravesDisease6.jpg|This is a gross photograph of a thyroid from a case of nodular goiter.
File:IPLab6GravesDisease7b.jpg|Closer view of cut surface of the thyroid with nodular goiter. Note the multilobular appearance of the tissue.