Introduction to parathyroid sonography -- Sonography of a typical parathyroid adenoma : Solitary parathyroids as seen on ultrasound -- Atypical Sonographic appearances of enlarged Parathyroids -- Sonography of Large parathyroid adenomas -- Role of ultrasound in evaluation of ectopic parathyroids glands -- Sonographic technique and tips to localize tiny parathyroids -- Sonography of Dual and Multiple parathyroid adenomas in sporadic Primary Hyperparathyroidism -- Role of sonography in Hyperparathyroidism in chronic kidney disease and post renal transplant recipients.-Sonography findings in Parathyroid carcinoma and Heterogenous parathyroids -- Ultrasound evaluation of Parathyroid adenoma with co-exist thyroid ds -- Ultrasound essentials in MEN Syndromes and familial Hyperparathyroidism -- Essentials of Surgical perspectives of parathyroid surgery.