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Use of a radioimmunoassay for 5-hydroxytryptamine (5-HT) in thrombocytosis
1Institute of Medical Semeiotics, University Medical School of Padua, Italy.
Abstract:
A decrease in intra-platelet 5-hydroxytryptamine (5-HT) may be a possible marker for primary thrombocytosis and there are several different methods for the measurement of platelet 5-HT content (e.g. fluorimetry, high-performance liquid chromatography and radioimmunoassay). The present study has shown that, in laboratories with radioprotected areas, radioimmunoassay of 5-HT is a simple method which correlates well with a standard fluorimetric technique and yields satisfactory results in patients with thrombocytosis.