Changes

*#* [[Parathyroid Glands - Pathology#Apocrine Gland Adenocarcinoma|Anal sac adenocarcinoma]]

*#* [[Parathyroid Glands - Pathology#Apocrine Gland Adenocarcinoma|Anal sac adenocarcinoma]]

*#* [[Kidney Renal Failure - Pathology|Renal failure]]

*#* [[Kidney Renal Failure - Pathology|Renal failure]]

*#* [[Bones - metabolic#Hypervitaminosis D|Hypervitaminosis D]]

*#* [[Bones Metabolic - Pathology#Hypervitaminosis D|Hypervitaminosis D]]

*#* Granulomatous disease

*#* Granulomatous disease

*#** E.g fungal infections

*#** E.g fungal infections

* Rare.

* Rare.

===Secondary===

===Secondary===

* Secondary hyperparathyroidism causes [[Bones - metabolic#Hyperparathyroidism|fibrous osteodystrophy or "rubber jaw"]].

* Secondary hyperparathyroidism causes [[Bones Metabolic - Pathology#Hyperparathyroidism|fibrous osteodystrophy or "rubber jaw"]].

* In secondary hyperparathyroidism, the gland is overactive due to another condition coexisting in the body, rather than a primary parathyroid gland defect.  

* In secondary hyperparathyroidism, the gland is overactive due to another condition coexisting in the body, rather than a primary parathyroid gland defect.  

* There are two common forms of secondary hyperparathyroisism:

* There are two common forms of secondary hyperparathyroisism: