11C-Metomidate PET/CT for Endocrine Hypertension and Characterisation of Adrenal Tumours

Exclusion Criteria

• •Inability to provide written informed consent.
• •Chronic renal failure of Stage 3b or greater severity, estimated glomerular filtration rate (eGFR) \< 45ml/min/1.73m2 using Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI) formula. (only applicable for PA\_CURE 2 / PA\_MTO EH)
• •Severe or terminal medical condition(s) that in the view of the investigator prohibits participation in the study or interferes with possible treatment or health-related quality of life, e.g. cancer, end-stage liver disease, end stage renal failure (only applicable for PA\_CURE 2 / PA\_MTO EH)
• •Contraindications to isotope scanning (e.g. Female patients who are pregnant (self-declared or via positive pregnancy test), intending to become pregnant (within 3 months of scan) or breastfeeding) or CT Scan, which includes but not limited to waist circumference \>140cm, morbid obesity or claustrophobia (limiting entry in CT scanner)
• •Contraindication to ingestion of corticosteroids (e.g. poorly controlled diabetes, HbA1C \>13%)