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Dermatitis Herpetiformis (Duhring). Presented by Dr. J. Frank Fraser.
J. R., an American boy aged 8 years, was first seen on May 20, 1935, exhibiting a generalized eruption which had been present for one year. It began on the legs and back and has spread to the chest, neck and face. The lips are also involved. The initial lesions were small vesicles. There is intense pruritus.
Urinalysis gave negative results. The blood cell count showed 4,400,000 red cells, 18,800 white cells and 70 per cent hemoglobin. The differential count showed 68 per cent polymorphonuclear leukocytes, 21 per cent lymphocytes, 7 per cent mononuclear leukocytes, 4 per cent eosinophils and no basophils. The red cells showed a slight decrease in size. A smear from a vesicle showed 12 polymorphonuclear leukocytes to 1 eosinophil. Allergy tests with potassium iodide in 25 and 50 per cent solutions gave negative results. Determination of