Thyroid

Question 1

Histologic findings of lymphoid aggregate with germinal centers, eosinophilic metaplasia of cells that line follices?

Answer 1

Hashimoto

Question 2

Histological findings of granulomatous thryoid inflammation?

Answer 2

subacute thyroiditis, de Quervains.

Question 3

Sclerotic replacement of thyroid tissue?

Answer 3

Riedel thyroditis

Question 4

What is Wolf-Chaikoff?

Answer 4

thyroid downregulates in response to too much iodide

Question 5

Irregular follicles with scalloped colloid?

Answer 5

hyperthyroid (graves)

Question 6

Jodi-Basedown phenomenon?

Answer 6

Thyrotoxicosis if patient with iodine deficiency goiter is made iodine replete

Question 7

Empty appearing nuclei with central clearing - sparse, finely dispersed chromatin. Nuclear grooves.

Answer 7

Orphan annie cells - papillary carcinoma

Question 8

concentric lamelllated calcified structures

Answer 8

psammomma bodies, papillary carcinoma

Question 9

Cells surrounded by fibrous capsule, with invasion through capsule

Answer 9

Follicular carcinoma

Question 10

Sheets of spindle shaped cells in amyloid stroma

Answer 10

medullary carcinoma