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Infective dermatitis of Jamaican children: a marker for HTLV-I infection
L LaGrenade1, B Hanchard, V Fletcher
1Department of Medicine, University of the West Indies, Mona, Jamaica.
Insights
Infective dermatitis in Jamaican children is linked to human T-lymphotropic virus type 1 (HTLV-1). All tested children with infective dermatitis were seropositive for HTLV-1, unlike those with atopic eczema.
Area of Science:
- Dermatology
- Virology
- Pediatrics
Background:
- Infective dermatitis is a chronic eczema in Jamaican children.
- It is associated with Staphylococcus aureus or beta-haemolytic streptococcus infections.
- The condition's etiology requires further investigation.
Purpose of the Study:
- To investigate the association between infective dermatitis and human T-lymphotropic virus type 1 (HTLV-1) in Jamaican children.
- To compare HTLV-1 seropositivity in children with infective dermatitis versus atopic eczema.
Main Methods:
- Serological testing for HTLV-1 antibodies was performed on 14 children diagnosed with infective dermatitis.
- A control group of 11 children with atopic eczema was also tested.
- Maternal HTLV-1 status was assessed in cases where possible.
Main Results:
- All 14 children with infective dermatitis were seropositive for HTLV-1.
- All 11 children with atopic eczema were seronegative for HTLV-1.
- Mothers of 2 children with infective dermatitis were also HTLV-1 seropositive.
Conclusions:
- HTLV-1 infection is strongly associated with infective dermatitis in Jamaican children.
- The findings suggest a potential role for HTLV-1 in the pathogenesis of infective dermatitis.
- Further research is warranted to explore the link and potential long-term implications, such as adult T-cell leukaemia/lymphoma.
Abstract:
In Jamaican children infective dermatitis is a chronic eczema associated with refractory nonvirulent Staphylococcus aureus or beta-haemolytic streptococcus infection of the skin and nasal vestibule. 14 children between the ages of 2 and 17 years with typical infective dermatitis, attending the dermatology clinic at the University Hospital of the West Indies in Jamaica, were tested for antibody to human T-lymphotropic virus type 1 (HTLV-1). All were seropositive, whereas 11 children of similar age with atopic eczema were all negative. In 2 of 2 cases of infective dermatitis, the biological mother was HTLV-1 seropositive. None of the 14 patients showed signs of adult T-cell leukaemia/lymphoma, though experience with previous cases of infective dermatitis indicates the possibility of such progression.