Ulcerating plantar keratoderma in association with systemic lupus erythematosus

Abstract

This report highlights the finding of ulcerative plantar keratoderma in two patients with systemic lupus erythematosus (SLE). Both patients suffered from painful plantar ulcerations and fissures; in one patient there was diffuse desquamation over the entire plantar surface, while the other patient's lesions were focal and accentuated over weight-bearing surfaces. Other etiologies for keratoderma including papulosquamoua disease, contact dermatitis, tinea and primary keratodermas were excluded. Both patients were resistant to multiple topical therapies including super-potent topical corticosteroids, vitamin D analogues and retinoids, but did report moderate relief with hydrocolloid dressings applied over super-potent topical corticosteroids and pressure off-loading measures. Lupus-associated keratoderma can be recurrent and recalcitrant to treatment, often necessitating aggressive therapy and particular attention to advanced wound care methodologies. While not a specific cutaneous sign of lupus, it should be recognized as a cause for considerable morbidity.