Abstract
Several variants of generalised vitiligo can be recognised by their cutaneous distribution. In some, certain anatomical regions—e.g., hands—are predominantly affected while the cutaneous depigmentation in other variants shows a similar anatomical distribution to that of the internal structures affected in some of the autoimmune and rheumatic diseases. Five patients have been seen, and three described by others, with vitiligo affecting skin of eyelids and lower front of neck, reminiscent of the anatomical distribution of lesions in thyrotoxicosis with exophthalmos: two of these patients have thyrotoxicosis. Another variant of vitiligo mimicks the anatomical distribution of lesions in ankylosing spondylitis, Reiter's syndrome, and ulcerative colitis and there are cases simulating lupus erythematosus, rheumatoid arthritis, and psoriasis. It is suggested that the parts of the body affected in each vitiligo variant and its corresponding internal disease constitute a set of mosiac patches with distinctive shared characters. These may have morphogenetic functions during embryonic development and be potentially autoantigenic later in life.
Published Version
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