Diffuse nail dyschromia in black patients with systemic lupus erythematosus.
case_control · Level III
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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.
Medical subject headings
- Black People
- Lupus Erythematosus, Systemic
- Nail Diseases
- Pigmentation Disorders