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Systemic lupus erythematosus in men: clinical and immunological characteristics
Insights
Men with systemic lupus erythematosus (SLE) present with distinct clinical features compared to women. While organ involvement is similar, men show unique skin manifestations and less arthritis, indicating gender-associated differences in SLE.
Area of Science:
- Rheumatology
- Immunology
- Dermatology
Background:
- Systemic lupus erythematosus (SLE) is predominantly diagnosed in women.
- Male SLE patients represent a significant minority, necessitating a deeper understanding of their specific disease characteristics.
Purpose of the Study:
- To investigate and delineate the clinical differences in presentation and disease course between male and female patients diagnosed with SLE.
- To identify gender-specific patterns in SLE manifestations and complications.
Main Methods:
- Retrospective analysis of 261 SLE patients, with a focus on the 30 male patients.
- Comparison of initial symptoms, follow-up clinical features, organ involvement, and immunological markers between genders.
Main Results:
- Men with SLE experienced arthritis less frequently as an initial symptom but showed higher rates of discoid lesions and serositis.
- During follow-up, men exhibited a lower incidence of arthritis and malar rash but a higher prevalence of other cutaneous complications, including discoid lupus erythematosus and subcutaneous lupus erythematosus.
- The incidence of major organ involvement (nephropathy, neurological disease, thrombocytopenia, vasculitis) and serositis was comparable between men and women.
Conclusions:
- Clinical presentation and disease progression in SLE exhibit gender-associated differences.
- Men with SLE may present with distinct dermatological manifestations and a different pattern of initial symptoms compared to women, despite similar rates of major organ damage.
Abstract:
Although systemic lupus erythematosus (SLE) has traditionally been considered a disease of women, men may also be affected. Thirty of 261 patients (12%) with SLE seen in this hospital were men. Arthritis was less common as a first symptom in the men, although this group of patients had discoid lesions and serositis more often than the women. During the follow up a lower incidence of arthritis and malar rash and a higher incidence of other skin complications including discoid lesions and subcutaneous lupus erythematosus was found in the men. The incidence of nephropathy, neurological disease, thrombocytopenia, vasculitis, and serositis, was similar in the two groups. No significant immunological differences were found between men and women. These features indicate that several gender associated clinical differences may be present in patients with SLE.