Selenium Cholesterol Scanning for Conn's Tumours

INDICATIONS

For functional lateralization of Conn's tumours. Now only available on a named patient basis.

CONTRAINDICATIONS

Caution if diabetic.

PROTOCOL

1. Admit. Start dexamethasone 2mg bd at Day -7, i.e. one week before the injection. Monitor blood glucoses qds. Continue dexamethasone to Day 3.
2. On day 0 nuclear medicine will inject 8 MBq of 75Se Scintadren and image.
3. Start 5mg bisacodyl for 2 days.
4. Discharge home once dexamethasone completed.
5. Nuclear medicine will arrange for further images on Day 7, 14 and 21.

INTERPRETATION

The images will be reported by nuclear medicine, but a Conn's tumour should take up label with no uptake on the contralateral side