PTH and medullary thyroid gland carcinoma: CD: Cushing disease; M: male; MEN: multiple endocrine neoplasia; MTC: medullary thyroid cancer; PHEO: pheochromocytoma; HPTH: primary hyperparathyroidism; PTH-T: parathyroidectomy; RT: radiotherapy; TSS: transsphenoidal surgery; TT: total thyroidectomy; y/o: years-old