During the occupation of Japan, many thousands of confiscated Japanese rifles were issued as souvenirs to the members of the occupying forces. Soon thereafter a striking increase was noted in the percentage of cases of contact dermatitis referred to the U. S. S. Benevolence, then serving in the Tokyo Bay area. In many of the cases in which a contact factor was suspected, questioning revealed a history of the patient's having handled a Japanese rifle a day or two prior to the onset of the cutaneous manifestation. These cases usually presented the picture of an acute erythema accompanied with varying degrees of edema and in some cases vesiculation. The regions involved were usually the hands and forearms and, in some cases, the inner surfaces of the legs and ankles. The dermatitis involving the latter areas was explained by the fact that the rifle stock was often held between the legs
COOMBER RB. DERMATITIS FROM CONTACT WITH VARNISH OF JAPANESE RIFLES. Arch Derm Syphilol. 1947;55(1):110–111. doi:10.1001/archderm.1947.01520010114013
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