Incidence of aggressive papillary thyroid carcinoma rising

Large US study also shows the importance of histology in outcomes

Aggressive papillary thyroid carcinoma (PTC) incidence is rising at an even faster rate than that for well-differentiated papillary thyroid cancers, and outcomes vary markedly by histology type, US researchers say.

Thyroid gland

Their analysis of data on more than 5400 patients in two large US cancer databases, diagnosed between 2000 and 2016, shows that the incidence of the aggressive forms of the disease is rising by 9.1% per year.

In comparison, rates of well-differentiated PTC rose by 5.1%, while anaplastic PTC cases rose by just 1

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