Hyperparathyroidism

Classification

	Causes/sources	Serum biochemisty	Complications
Primary - tumour	85% parathyroid adenoma 15% parathyroid hyperplasia 1% carcinoma	High calcium Low phoshate	Bone disease: pathological fractures Psychic effects Abdominal pains Renal effects: calculi, nephrocalcinosis
Secondary - to hypocalcaemia	Renal - decreased metabolism of vitamin D Dietary deficiency Decreased sunlight Pregancy - increased demands	Low calcium High phosphate
Tertiary - autonomous adenoma		High calcium Low phosphate

Surgical Notes