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Dermatologists across North America have heard that new editions of the American Academy of Dermatology (AAD) patch test trays have been withheld until studies that comply with federal regulations for biologicals are completed. For those who are bewildered because their Phoenix has "fallen" on the hard ashes of bureaucracy, and await its resurrection, a precis of this patch test tray follows.
The literature dealing with allergic contact dermatitis and patch testing has been well represented in texts and journals because the subject was a major interest of distinguished dermatologists from Europe and North America. The literature and its authors were clear: haptenes are where you find them; they typically arise from the ashes of commerce as natural or synthesized substances. Haptenes will always be born or rededicated. Owning and caring for this Phoenix was your problem.
Through the mid-1960s, materials appropriate for patch testing could be purchased separately or as
Jordan WP. The American Academy of Dermatology Patch Test TrayThe Work in Progress of a Study Section. Arch Dermatol. 1986;122(10):1127-1128. doi:10.1001/archderm.1986.01660220045011