IDEntification of New Predisposition Genes in Differentiated THYroid Cancer

Inclusion Criteria: * Probant subjects * Minor or adult subject * Adult subject or legal guardian for minor subjects agreeing to sign the study consent and biospecimen consent * Subject with differentiated thyroid cancer without an identified causative mutation in the BAP1 and DICER 1 predisposition genes * Patient affiliated to a valid social security plan Relative subjects * Adult subjects * Subject agreeing to sign the study consent and the biocollection consent * Subject with differentiated thyroid cancer or from a family with several cases of differentiated thyroid cancer without a causal mutation identified in the BAP1 and DICER 1 predisposition genes * Patient affiliated to a social security plan Exclusion Criteria: * Subject refusing to participate * Subjects with a causal mutation identified in the predisposition genes: BAP1 and DICER 1 * Subjects under guardianship, curatorship or safeguard of justice or not socially insured * Subjects with another syndromic predisposition to thyroid cancer (Cowden, Werner, PAF)