[Papillary thyroid carcinoma in a child with congenital dyshormonogenetic hypothyroidism. Case report].

Introduction: Papillary thyroid carcinoma (PTC) is a rare childhood disease. The development of PTC in dyshormonogenetic congenital hypothyroidism (CH) is infrequent, with very few case reports in literature.

Objective: To report a case of PTC in a boy with dyshormonogenetic CH without goitre and exposed to ionising radiation.