A simplified aluminum stain in paraffin sections of bone from hemodialysis patients.

Stain Technology
Y OhtsukiN Terao

Abstract

A new simplified method has been devised for staining aluminum and has been tested in paraffin sections of bone from 60 patients who have undergone hemodialysis. Iliac crest bone fragments were fixed in 20% phosphate-buffered formalin for less than a day and demineralized at room temperature in 10% phosphate-buffered formalin containing 5% formic acid for only 2 to 3 hr. Four-micron paraffin sections, accompanied by positive controls, were stained with Maloney's aluminum stain, the Berlin blue reaction for iron, dylon or Congo red for amyloid and von Kossa's reaction for calcium. Aluminum and iron were demonstrated particularly at the mineralizing front of bony tissues; aluminum in 52 cases, iron in 45. Dylon staining also gave positive results in 52 cases. It is important in determining whether aluminum deposition is present that the von Kossa reaction remains positive even after demineralization. This method may be more useful for demonstrating aluminum in bony tissues than the complicated and time-consuming resin-embedding method currently used.

References

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Citations

Jun 1, 1996·Pharmacology & Toxicology·Y KonishiY Ohtsuki
Oct 1, 1993·Biological Trace Element Research·M C Martín-Mateo, C De Torre
May 16, 2000·Biotechnic & Histochemistry : Official Publication of the Biological Stain Commission·T DaimonT Kamoto
Aug 1, 1993·Journal of Cutaneous Pathology·D M ElstonJ T McMahon
Nov 27, 2008·The American Journal of Dermatopathology·Derek K MarseeElsa F Velazquez

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