All of the patients were employees of long standing in the department; there was nothing unusual about the light, working conditions had not been changed, and nothing new in the way of a contact had been introduced save the paper in question. This had been introduced over the preceeding several months.
None of the patients responded to the usual bland therapy, all became worse as contact with the paper continued, and all had to be removed from this particular job. Recovery was prompt, depending upon severity, when there was no longer any contact with the paper.
In April, 1957, all the Thermo-Fax Copying Paper on hand was exchanged for a "new"
Polyvinylpyrrolidone (PVP) was developed in Germany during World War II for use as a plasma expander.1 PVP is a synthetic, water-soluble polymer which is prepared by reacting acetylene, ammonia, and formaldehyde under pressure. The preparations
CORNBLEET T, BARSKY S, FIRESTEIN B. The Use of Polyvinylpyrrolidone Iodine in Eczematoid Ringworm. AMA Arch Derm. 1958;77(3):335–336. doi:10.1001/archderm.1958.01560030081016