We have assessed the cutaneous signs in 73 patients with systemic lupus erythematosus (SLE), seen during a 5-year period in an English hospital. Most previous information about the cutaneous manifestations of SLE has been obtained from studies performed in the U.S.A. We classified lesions as specific cutaneous and mucosal LE (acute, subacute and chronic) or non-specific LE-related, e.g. photosensitivity, urticaria, erythema, Raynaud's phenomenon or vasculitis. Acute cutaneous LE lesions included a butterfly rash with erythematous macules, telangiectasia or papulosquamous lesions, seen in 37 patients (51%) and facial oedema seen in four patients (5%). Five patients (7%) had psoriasiform subacute cutaneous LE. Chronic cutaneous LE was common: 18 patients (25%) had chronic discoid lesions (DLE) and, in 12 (15%), these had preceded systemic disease. One patient had facial lupus profundus. Ten patients (14%) had scarring alopecia secondary to DLE. Fifteen patients (20.5%) had chronic chilblain lupus. Twenty-three patients (31.5%) had a history of mouth ulceration. Of these, 11 (15%) gave a history of ulcers at the onset of their disease. Three (4%) had erythema and superficial ulceration of the palate, not typical of aphthous ulcers, and three (4%) had chronic buccal plaques. Cheilitis due to DLE was seen in three (4%), episcleritis in three (4%), five (7%) had nasal disease, six (8%) bullous skin eruptions, one 'the bullous eruption of SLE', four bullae associated with cutaneous vasculitis, and one bullae associated with ultraviolet radiation. Forty-six (63%) observed photosensitivity. A non-scarring alopecia occurred in 29 (40%). Vascular phenomena were common: three patients (4%) had chronic palmar erythema, Raynaud's phenomenon occurred in 44 patients (60%), chronic urticaria, worsened by sun exposure, was noted by 32 (44%) (in whom the lesions often lasted more than 36 h), eight (11%) had cutaneous vasculitis and three (4%) livedo reticularis. Skin changes play a prominent part in SLE and may provide helpful diagnostic information. In this British population, chilblains and urticaria were particularly common. Lesions of subacute cutaneous LE were relatively unusual in this group of patients with SLE.
We have assessed the cutaneous signs in 73 patients with systemic lupus erythematosus (SLE), seen during a 5-year period in an English hospital. Most previous information about the cutaneous manifestations of SLE has been obtained from studies performed in the U.S.A. We classified lesions as specific cutaneous and mucosal LE (acute, subacute and chronic) or non-specific LE-related, e.g. photosensitivity, urticaria, erythema, Raynaud's phenomenon or vasculitis. Acute cutaneous LE lesions included a butterfly rash with erythematous macules, telangiectasia or papulosquamous lesions, seen in 37 patients (51%) and facial oedema seen in four patients (5%). Five patients (7%) had psoriasiform subacute cutaneous LE. Chronic cutaneous LE was common: 18 patients (25%) had chronic discoid lesions (DLE) and, in 12 (15%), these had preceded systemic disease. One patient had facial lupus profundus. Ten patients (14%) had scarring alopecia secondary to DLE. Fifteen patients (20.5%) had chronic chilblain lupus. Twenty-three patients (31.5%) had a history of mouth ulceration. Of these, 11 (15%) gave a history of ulcers at the onset of their disease. Three (4%) had erythema and superficial ulceration of the palate, not typical of aphthous ulcers, and three (4%) had chronic buccal plaques. Cheilitis due to DLE was seen in three (4%), episcleritis in three (4%), five (7%) had nasal disease, six (8%) bullous skin eruptions, one 'the bullous eruption of SLE', four bullae associated with cutaneous vasculitis, and one bullae associated with ultraviolet radiation. Forty-six (63%) observed photosensitivity. A non-scarring alopecia occurred in 29 (40%). Vascular phenomena were common: three patients (4%) had chronic palmar erythema, Raynaud's phenomenon occurred in 44 patients (60%), chronic urticaria, worsened by sun exposure, was noted by 32 (44%) (in whom the lesions often lasted more than 36 h), eight (11%) had cutaneous vasculitis and three (4%) livedo reticularis. Skin changes play a prominent part in SLE and may provide helpful diagnostic information. In this British population, chilblains and urticaria were particularly common. Lesions of subacute cutaneous LE were relatively unusual in this group of patients with SLE.
Summary Blistering in systemic lupus erythematosus has been divided into three groups.1 A specific subgroup of ‘bullous systemic lupus erythematosus’ has been defined by Gammon et al. on the basis of a number of criteria.2 From our experience of seven patients with bullous systemic lupus erythematosus, and after reviewing the literature, we suggest that the current classification is too narrow. Our patients displayed clinical and immunohistolegical (based on direct and indirect immunofluorescence and Western immunoblotting) heterogeneity. Sera from two patients bound to epidermal epitopes in sodium chloride‐split skin, but immunoblotting was negative. In neither of these patients could the target antigen be type VII collagen, the only antigen identified as pathogenic in this disease. Patients with epidermal binding should not be excluded from a diagnosis of bullous systemic lupus erythematosus. SLE is a disease in which there is a genetic predisposition to form antibodies to type VTI collagen, along with other autoantibodies, many of which may be implicated in blistering. We suggest that the criteria for the diagnosis of BSLE should be revised. We define this disease as an acquired subepidermal blistering disease in a patient with SLE, in which immune reactants are present at the basement membrane zone on either direct or indirect immunofluorescence.
Summary Photodynamic therapy (PDT) has been reported to be useful in treating certain nonmelanoma skin cancers and a variety of benign skin conditions. We examined whether PDT might be effective in the treatment of disseminated superficial actinic porokeratosis. Three patients with classical disseminated superficial actinic porokeratosis had a small test area treated with topical aminolaevulinic acid PDT. Following the first treatment, the disorder cleared in the test area in one patient, but failed to respond in the other two patients. After subsequent treatment, the initial benefit seen in the first patient was not sustained, and no response was seen in the second patient, while the third patient was not retreated due to hyperpigmentation induced by the procedure. The results obtained in this small case series suggest that topical PDT is not a promising treatment for disseminated superficial actinic porokeratosis.
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