NORCHOL-131
(131I) IODOMETHYLNORCHOLESTEROL

Pharmaceutical form Injection
Nuclide Iodine 131
Half life 8.02 days
Availability Thursday
Ordering deadline Friday, before 11 a.m.
Radioactive concentration 7.5 - 15 MBq/mL at calibration
Calibration Wednesday 12 a.m.
Available quantities From 37 to 185 MBq per vial at calibration
Expiry 14 days from the manufacturing date
Specific activity 11 - 33 MBq/mg
Radiochemical purity ≥ 95 %
Radionuclidic purity ≥ 99.9 %
pH 3.5 to 7.0
Storage At - 20°C
Indication • Diagnostic evaluation of the functional state of adrenal cortical tissue
• Differentiation between metastatic disease to the adrenals (“cold area”) and non-malignant adrenal enlargement in cancer patients
• Detection of remnants of functioning tissue in hypercortisonism from adrenalectomy, or of ectopic endocrine tissue
• Detection and follow-up of euadrenal tumours