what does primary thyroid disease affect
the gland itself
what can primary thyroid disease occur with
with or without goitre, usually AI
what is secondary thyroid disease caused by?
hypothalamic or pituitary disease with no thyroid pathology
diagnosis of primary hypothyroidism
free T3/4 low and TSH high
diagnosis of primary hyperthyroidism
free T3/4 high and TSH low
secondary hypothyroidism diagnosis
free T3/4 low and TSH low/normal
secondary hyperthyroidism
free T3/4 high and TSH high/normal