Thyroid Gland, Follicle - Mineralization
Thyroid gland, Follicle - Mineralization in a male F344/N rat from a chronic study. There is focal mineralization within the colloid of two follicles.
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Thyroid gland, Follicle - Mineralization in a male F344/N rat from a chronic study. Higher magnification of Figure 1 Shows the focal mineral deposits in more detail.
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comment:Mineralization within solitary thyroid follicles is occasionally seen in adults and may appear as granular basophilic deposits not associated with inflammation.
recommendation:Mineralization in the thyroid follicles is an incidental finding and should be documented and given a severity grade only when severe or suspected of being treatment related.
Web page last updated on: August 08, 2014