these include unreliability of symptoms as a basis for diagnosis of hypothyroidism , laboratory tests that are often difficult to interpret , the commonly held misconception that all forms of primary hypothyroidism are irreversible , the routine use of thyroxine by many surgeons after subtotal thyroidectomy , and the use of thyroxine to suppress diffuse or nodular goiter .
C0020676
hypothyroidism
C0700502
primary