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Parapsoriasis (Brocq Type). Presented by Dr. Ormsby.
A man, aged 26, had had this disorder for two and one-half years. The eruption first appeared on the back and gradually spread. There were no subjective symptoms and the patient appeared to be otherwise normal. A blood examination showed no abnormalities.On examination the eruption was found on the medial surfaces of the arms and thighs, including the crotch; on the lower half of the trunk, both front and back, and on the sides. The lesions occurred as patches of variable size up to 5 cm. in diameter. They were oval or round, pale brown or yellowish red and covered with fine scales. There was no infiltration.
Dr. Senear: I regard the case as parapsoriasis but think it an unusual picture. It is not as patchy as the usual en plaque type, and the lesions are much smaller in the guttate
Finnerud CW. CHICAGO DERMATOLOGICAL SOCIETY. Arch Derm Syphilol. 1926;13(4):549–559. doi:10.1001/archderm.1926.02370160086013