The Schilling test
Tuesday, March 2nd, 2010The Schilling test explores the absorption of vitamin B12, which is normally at the terminal ileum. The absorption of this vitamin requires the presence of a factor secreted by the stomach, intrinsic factor (also called factor Castle). Mal-absorption and can guide a disease linked to lack of intrinsic factor.
Let the patient have received in the last 8 days of vitamin B12
The test is simple, but less and less used. It involves the ingestion and injection of cobalamin:
At T0: after emptying the bladder, to swallow a capsule of vitamin B12 labeled with cobalt 58; (more…)