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Localized scleroderma and idiopathic thrombocytopenia

S H Neucks, T L Moore, J R Lichtenstein

The Journal of Rheumatology

|September 1, 1980

Summary

Localized scleroderma can be associated with thrombocytopenic purpura, a serious condition affecting platelets. Prednisone treatment resolved the purpura in two patients, suggesting a potential immune link.

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Area of Science:

Dermatology
Immunology
Hematology

Background:

Localized scleroderma is a connective tissue disease primarily affecting the skin.
Thrombocytopenic purpura is characterized by low platelet counts, leading to bleeding risks.

Observation:

Two patients with localized scleroderma presented with secondary thrombocytopenic purpura.
Both patients exhibited positive antinuclear antibody (ANA) tests.
One patient also had positive immune complex assays.

Findings:

Thrombocytopenia resolved in both patients following prednisone therapy.
Platelet counts remained stable during extended follow-up periods without steroid use.
No alternative non-immune causes for thrombocytopenia were identified.

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Implications:

This case series suggests a potential autoimmune association between localized scleroderma and thrombocytopenic purpura.
The findings highlight a possible new, serious complication of localized scleroderma.
Early recognition and management of thrombocytopenia may be crucial in affected patients.