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September 1984

Staining of Amyloid With Cotton Dyes

Author Affiliations

From the Department of Dermatology of Gifu University School of Medicine, Gifu-City, Japan (Dr Yanagihara); and the Pinkus Dermatopathology Laboratory, Monroe, Mich (Dr A. H. Mehregan and Mr D. R. Mehregan).

Arch Dermatol. 1984;120(9):1184-1185. doi:10.1001/archderm.1984.01650450066020

• We have utilized three cotton dyes, Pagoda Red, RIT Scarlet No. 5, and RIT Cardinal Red No. 9, for the microscopic demonstration of amyloid in cutaneous histopathology. All three dyes stained amyloid specifically, yielding a bright orange color. The preparation of staining solutions and the staining procedure are simple, practical, and can be applied routinely in a dermatopathology laboratory.

(Arch Dermatol 1984;120:1184-1185)