What is the pattern of inheritance of this condition?

A 56-year-old woman was referred for assessment of asymptomatic hypercalcaemia.

Investigations:

serum corrected calcium2.73 mmol/L (2.20C2.60)

plasma parathyroid hormone8.9 pmol/L (0.9C5.4)

urinary calcium:creatinine clearance ratio0.002

An X-ray of abdomen was normal and imaging of her neck showed no evidence of a parathyroid adenoma.

What is the pattern of inheritance of this condition?
A . autosomal dominant
B . autosomal recessive
C . mitochondrial
D . X-linked dominant
E . X-linked recessive

View Answer

Answer: A