The final member of the thyroiditis quartet is lymphocytic thyroiditis (also called silent thyroiditis). This type of thyroiditis is characterized histologically by – you guessed it – a ton of lymphocytes (as in the image above). (more…)
Thyroiditis means inflammation of the thyroid gland. You probably already know this, but just to be thorough: the suffix “itis” means inflammation. So appendicitis = inflammation of the appendix, meningitis = inflammation of the meninges, dermatitis = inflammation of the skin, etc.
There are four kinds of thyroiditis: Hashimoto, subacute granulomatous, lymphocytic, and fibrosing. (more…)
We talked a bit about thyroiditis yesterday. Here’s another kind of thyroiditis: fibrosing (or Riedel) thyroiditis. (more…)
“Thyroiditis” means “inflammation of the thyroid gland” (any time you see “-itis,” think “inflammation”). (more…)
There are four types of thyroid carcinoma: papillary, follicular, medullary, and anaplastic carcinoma. (more…)
Papillary thyroid carcinoma has a number of unique morphologic features. I mentioned psammoma bodies a few days ago. (more…)
One of the characteristic features of papillary thyroid carcinoma is the presence of psammoma bodies. These are calcifications with an unusual (and pretty) lamellar pattern. (more…)
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