Abstract
Diffuse dark blue-black chromonychia was observed in 17 of 33 (52%) black patients with systemic lupus erythematosus (SLE), but not in 47 non-SLE black patients. About half of these patients had active disease. A comparison was made between patients with SLE with chromonychia and those without but no distinctive clinical or laboratory variable differentiated the 2 groups. This pattern of nail hyperpigmentation has not previously been associated with SLE.
MeSH terms
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Adolescent
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Adult
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Aged
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Aged, 80 and over
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Black People*
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Child
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Female
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Humans
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Lupus Erythematosus, Systemic / complications*
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Lupus Erythematosus, Systemic / ethnology
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Lupus Erythematosus, Systemic / physiopathology
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Male
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Middle Aged
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Nail Diseases / complications*
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Nail Diseases / ethnology
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Nail Diseases / pathology
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Pigmentation
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Pigmentation Disorders / complications*
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Pigmentation Disorders / ethnology
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Pigmentation Disorders / pathology
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Time Factors