PTH and parathyroid gland adenoma: In orthotopic parathyroid adenomas, PTH-WO values were 2592.0 pg/mL (493.0–5,000.0) in the left inferior region, 767.0 pg/mL (549.0–4,861.5) in the left superior, 1312.5 pg/mL (558.5–3,849.75) in the right inferior, and 971.0 pg/mL (250.75–1,563.25) in the right superior.