Acquired hypertrichosis lanuginosa occurred in a man with lung cancer. Fine Ianugo-like hair covered his face, trunk, and extremities, and there were marked pigmentation of oral mucous membrane and a painful red tongue. Our study revealed a high concentration of carcinoembryonic antigen (CEA) in the serum of the patient. We considered that CEA might be an important etiological factor of this disease.
Antibodies against the cytoplasm of normal human epidermal cells were found in both a newborn baby with incontinentia pigmenti and in her normal mother. These antibodies showed no tissue or species specificity as in the case of anti‐nuclear antibodies in SLE. The antibodies were assayed by indirect immunofluorescence. The antibody titer in the serum of the baby gradually decreased over a period of months while the mother's titer remained high. The generalized vesiculo‐bullous eruption noted at birth subsided with the decrease of antibody titer. The immunoglobulin class of the antibodies was determined to be IgG, which passes through the placental barrier.
It is suggested that the anti‐cytoplasmic antibodies produced by some unknown cause in pregnant women could be transferred to the baby and induce a variety of disorders.
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