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Flashcards in pediatric thyroid Deck (7):
1

catalyzes the binding of DITs to form T4

thyroid peroxidase

1

Newborn hypothyroid screening

 

caveats

typically elevated TSH

 

TSH surge at birth causess false positives
TSH screening does not detect central hypothyroidism

2

congeital hypothyroidism presentation

most asymptomatic

slow lethargy

hoarse cry

constipation

macroglossia

umbilicle hernia and large fontinels

4

most common underlying reason for congential hypothyroidism

failure of gland to form properly (absent, ectopic, or dysplastic gland)

5

thyroid gland is composed of ____ cells that secrete and synthesize T4 and T3

follicular epithelial cells

6

T4, T4, MIT and DIT remain bound to ___ while stored in follicles

Thyroglobulin

7

normal outcome likely for hypothyroidism if treated by age

 

hypothyroidism after age ___ does not impact brain development

2wks

 

after age three does not impact brain development