Of them, 68.5% had MTC alone, 17.5% had MTC and PHEO, 5.2% had MTC/PHEO and HPTH, 3.6% had MTC/PHEO and CLA or HD, 0.5% had PHEO and HPTH, and 4.7% had no abnormality. The gene discussed is SELPLG; the disease is medullary thyroid gland carcinoma.