PHYSIOLOGY OF CALCIUM METABOLISM Edward M. Brown ROLE OF CALCIUM Related posts: CONTRASEXUAL PRECOCIOUS PUBERTY IDIOPATHIC OR CYCLIC EDEMA ALOPECIA EFFECTS ON BONE MINERAL DENSITY CALCIUM BALANCE DURING PREGNANCY PREVALENCE…
OTHER TYPES OF PARATHYROID PATHOLOGY Part of “CHAPTER 48 – MORPHOLOGY OF THE PARATHYROID GLANDS“ SECONDARY HYPERPARATHYROIDISM Grossly, in secondary hyperparathyroidism, all four glands are enlarged. Without clinical data, however,…
INTRAOPERATIVE ASSESSMENT OF PARATHYROID PATHOLOGY Part of “CHAPTER 48 – MORPHOLOGY OF THE PARATHYROID GLANDS“ FAT STAINS Because prominent, large fat droplets are found in the cytoplasm of normal chief…
PARATHYROID CARCINOMA Part of “CHAPTER 48 – MORPHOLOGY OF THE PARATHYROID GLANDS“ Parathyroid carcinoma is responsible for <1% of cases of primary hyperparathyroidism.1,4,17,22,23 Often, the tumors are larger than adenomas,…
PRIMARY PARATHYROID HYPERPLASIA Part of “CHAPTER 48 – MORPHOLOGY OF THE PARATHYROID GLANDS“ CHIEF CELL HYPERPLASIA Chief cell hyperplasia accounts for ˜15% of patients with primary hyperparathyroidism.1,4 Significantly, 25% to…
PARATHYROID ADENOMA Part of “CHAPTER 48 – MORPHOLOGY OF THE PARATHYROID GLANDS“ The parathyroid adenoma is more frequently located among the lower glands than among the upper ones. Grossly, a…
ULTRASTRUCTURE Part of “CHAPTER 48 – MORPHOLOGY OF THE PARATHYROID GLANDS“ Electron microscopic studies of parathyroid cells have shown that the chief cells undergo morphologic change caused by the synthesis…
GROSS ANATOMY Part of “CHAPTER 48 – MORPHOLOGY OF THE PARATHYROID GLANDS“ In normal adults, the total weight (mean ± standard deviation) of all parathyroid tissue is 120 ± 3.5…
