Clinical Research Directory

Inclusion Criteria: * Individual pediatric patient with current or previous known or suspected thyroid cancer or nodule(s). * Individual adult patient with current or previous known or suspected thyroid cancer or nodule(s) if they come from a family with a high suspicion of hereditary cancer (as below). * Individuals from families with a high suspicion of hereditary thyroid cancer: * Families with a current or previous diagnosis of a thyroid cancer/nodule occurring in childhood (\<18 years old). * Families with a high suspicion of hereditary thyroid cancer/nodules other than above to include: * Families with thyroid cancer in multiple individuals * Families with thyroid cancer and a known genetic syndrome * Families with thyroid cancer and a suspected genetic syndrome (e.g. multiple childhood cancers in the family, multiple primary cancers, multiple endocrinopathies, etc.) Exclusion Criteria: * Individuals who are unable to give informed consent. * Individuals who are unable to complete study materials.