Nakamura et al. (Nakamura, Carney, Jin, Kajita, & Pallares, 2005) also identified RASSF1 methylation in thyroid cancers (PTC, FTC, medullary and anaplastic thyroid cancers, and hyalinizing trabecular tumors) and in benign follicular adenomas (FA) utilizing MSP. Here, RASSF1 is linked to thyroid gland undifferentiated (anaplastic) carcinoma.