Toluidine blue test | definition of toluidine blue test by Medical dictionary
toluidine blue (redirected from toluidine blue test)
A toxic metachromatic thiazine dye used to stain ‘thick’ sections for electron microscopy, which may cause haematuria due to haemorrhagic cystitis and methaemoglobulinuria. Toluidine blue should be avoided by patients with glucose-6-phosphate deficiency, given their risk of haemolytic anaemia
an antiheparin compound, used also as a biological stain. Called also tolonium chloride.
toluidine blue test
a screening test for mucopolysaccharidosis, e.g. Hurler's syndrome; filter paper impregnated with toluidine blue turns blue when moistened with urine containing excessive amounts of chondroitin sulfuric acid.
References in periodicals archive
The current study indicates that routine use of this toluidine blue test
could significantly improve rates of early detection, particularly by general practitioners who lack the experience of oral cancer specialists.