All statements about papillary thyroid cancer are true except:
Discussing options one by one: OPTION 1 - TRUE - Papillary thyroid cancer is most common subtype of thyroid cancer OPTION 2 - TRUE - Follicular variant of papillary cancer is most common type & is easily misdiagnosed as follicular ca. OPTION 3 - FALSE - RET-PTC gene mutation & radiation exposure are most impoant risk factors. OPTION 4 - TRUE - Its diagnosis is made by presence of nuclear finding like Orphan Annie eye nuclei, intranuclear inclusions ("pseudo-inclusions") ,intranuclear grooves & not on papillae formation.
It is the most common subtype of thyroid cancer
The most common variant, and the one most liable to misdiagnosis is follicular variant
Is not associated with radiation as a risk factor
Diagnosis is made by the presence of nuclear finding and not on papillae formation
Thyroid Tumor