HYPERPARATHYROIDISM-PRIMARY, INVESTIGATION

SUMMARY

1. Hypercalcemia + hypophosphatemia + raised PTH.

2. 25% of patient may have normal/high-normal PTH. Normal patients will have suppressed PTH in the setting of hypercalcemia.

3. Raised ALP: indicating increased bone resorption.

4. Check 1,25-dehydroxychocecalciferol and replace if low.

5. DDx: familial hypocalciuric hypercalcaemia.

Reference(s)

Wilkinson, I., Furmedge, D. and Sinharay, R. (2017). Oxford handbook of clinical medicine. Oxford: Oxford University Press. Get it on Amazon.
Feather, A., Randall, D. and Waterhouse, M. (2020). Kumar And Clark’s Clinical Medicine. 10th ed. S.L.: Elsevier Health Sciences. Get it on Amazon.
Hannaman, R. A., Bullock, L., Hatchell, C. A., & Yoffe, M. (2016). Internal medicine review core curriculum, 2017-2018. CO Springs, CO: MedStudy.
Therapeutic Guidelines. Melbourne: Therapeutic Guidelines Limited. https://www.tg.org.au [Accessed 2021].