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Hypertrophic Lupus Erythematosus: Case Report

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Hypertrophic Lupus Erythematosus: Case Report Acta Dermatovenerol Croat 2009;17(2);134-138 CASE REPORT Hypertrophic Lupus Erythematosus: Case Report Ivana Bardek, Aleksandra Basta-Juzbašić, Branka Marinović, Zrinka Bukvić Mokos, Višnja Milavec-Puretić University Department of Dermatology and Venereology, Zagreb University Hospital Center and School of Medicine, Zagreb, Croatia Corresponding author: SUMMARY Discoid lupus erythematosus is the most common form Ivana Bardek, MD of cutaneous lupus erythematosus. It is more common in women than in men, in individuals between 20 and 40 years of age. It is University Department of Dermatology and an inflammatory autoimmune disease in which genetically predis- Venereology posed individuals are stimulated by hormonal and a variety of ex- Zagreb University Hospital Center and ogenous factors including UV radiation, stress, infections, and even temperature changes. Lesions are characterized by erythema, hy- School of Medicine perkeratosis and atrophy. Typical sites are light-exposed areas, i.e. Šalata 4 forehead, nose, cheeks, upper part of the back, upper chest, and HR-10000 Zagreb dorsal aspects of the hands and feet. A case of lupus erythemato- sus hypertrophicus with very good and rapid treatment results with Croatia antimalarials and topical corticosteroid is presented. [email protected] KEY WORDS: discoid lupus erythematosus, clinical varieties, hy- Received: October 20, 2008 pertrophic lupus erythematosus treatment Accepted: May 11, 2009 INTRODUCTION Discoid lupus erythematosus (DLE) is the most fluorescent examination and laboratory examina- common form of cutaneous manifestation of lu- tion are needed. Mostly it is treated with topical pus erythematosus, also known as lupus erythe- corticosteroids and systemic antimalarial therapy. matosus chronicus or chronic cutaneous lupus Prophylaxis (sun avoidance and sunscreens with erythematosus (CCLE) (1). It is most common in high UVA and UVB protection factors) should be individuals between 20 and 40 years of age (1,2), used religiously. Local mutilation and scarring with a female-male ratio of approximately 2:1 to alopecia can occur. Approximately 5% of patients 4:1 (1). Its incidence is estimated at more than with isolated localized DLE subsequently develop 1:200 in black women (1). In children, even if the systemic lupus erythematosus (3). skin lesions are typical for DLE, one should sus- Lupus erythematosus hypertrophicus, also re- pect systemic lupus erythematosus. To make a ferred to as hyperkeratotic or verrucosus DLE, is a diagnosis, histopathologic examination, immuno- rare variant of cutaneous lupus erythematosus in 134 Bardek et al. Acta Dermato- venerol Croat Hypertrophic lupus erythematosus 2009;17(2): Bardek et al. Acta Dermatovenerol Croat Hypertrophic lupus erythematosus 2009;17(2):134-138 Figure1. Nummular erythematosus and greatly Figure2. Nummular erythematosus and hyper- hyperkeratotic lesions on the left upper arm. keratotic lesions on the upper part of the back. which the hyperkeratosis normally found in classic corticosteroid ointment with occlusive dressing. As DLE is greatly exaggerated. The extensor aspects a prophylaxis she was recommended sunscreens of the arms, the upper back, and the face are the with high UVA and UVB protection factors. The re- areas most frequently affected (4). sults of treatment were rapid and very successful. CASE REPORT DISCUSSION A 45-year-old Caucasian female, a smoker, The cause of DLE is not fully understood. It is presented to our Department complaining of skin thought to be an immune and inflammatory me- changes on the left upper arm, upper part of the diated disease in which genetically predisposed back, dorsal aspects of the hands, and lower lip. individuals are stimulated by hormonal and a va- The changes had been present for five years. riety of exogenous factors including UV radiation, Family history was not significant. Five years be- stress, infections, and even temperature changes fore, she had been diagnosed with hepatitis B (1). It is often associated with HLA-B8 and HLA- infection. Skin changes manifested as erythema- DR3 haplotypes (4). These exogenous forces lead tous and greatly hyperkeratotic lesions on the left to epidermal cell death and the exposure of nor- upper arm, upper part of the back, dorsal aspects mally intracellular antigens, which than trigger an of the hands, and lower lip (Figs. 1, 2 and 3). autoimmune response characterized in the labora- Lesional biopsy was performed. Histopatho- tory by the presence of ANA. Our patient was also logic examination showed acanthosis and hyper- a long time smoker, and it is suggested in some keratosis of the epidermis with plugged follicles, vacuolar degeneration of the basilar keratino- cytes, more prominent and thickened basement membrane, perifollicular infiltrates of lymphocytes, and dilated blood vessels. The diagnosis of lupus erythematosus was confirmed. Immunofluores- cent examination showed IgM deposition at the dermoepidermal junction. In addition, the patient was positive for ANA and negative for dsDNA and Sm antibodies. All test results were suggestive of the cutaneous form of lupus erythematosus. She was treated with systemic antimalarials, chloroquine 2x1 tbl à 250 mg, for two weeks, ta- pered to a single tablet daily. Before the introduc- tion of systemic treatment with antimalarials, the patient underwent ophthalmologic examination. Figure3. Erythematosus and hyperkeratotic le- She was also treated with topical high-potency sion on the lower lip. ACTA DERMATOVENEROLOGICA CROATICA 135 Bardek et al. Acta Dermatovenerol Croat Hypertrophic lupus erythematosus 2009;17(2):134-138 becomes obvious in the periodic acid-Schiff stain. Table 1. Düsseldorf classification of cutaneous lu- In the dermis, there is a lichenoid or patchy lym- pus erythematosus 2003 (3) phocytic infiltrate with accentuation of the pilose- Acute cutaneous lupus erythematosus (ACLE) baceous follicles. There is interstitial mucin depo- Subacute cutaneous lupus erythematosus (SCLE) sition and edema, and usually no eosinophils and Chronic cutaneous lupus erythematosus (CCLE) neutrophils are present (3). Hypertrophic lesions Discoid lupus erythematosus (DLE) as in our patient show acanthosis and hyperkera- Hypertrophic/verrucosus variant tosis of the epidermis. Teleangiectoid variant Direct immunofluorescent examination of the Lupus erythematosus profundus (LEP) affected skin shows deposition of IgG and C3, and Chilblain lupus erythematosus (CHLE) to a lesser extent of IgM, IgA and C1 in a diffuse ir- Intermittent cutaneous lupus erythematosus (ICLE) regular band at the dermoepidermal junction (1,4). Lupus erythematosus tumidus (LET) Our patient had IgM deposition at the dermoepi- Bullous lesions in lupus erythematosus (BLE) dermal junction. About 25% of DLE patients have LE – specific bullous skin lesions positive ANA, but dsDNA and Sm antibodies sug- LE – nonspecific bullous skin lesions gest systemic disease (1). Primarily bullous skin disorders associated with LE Differential diagnosis includes systemic lupus erythematosus, lupus vulgaris, polymorphic light studies that smokers have an increased frequency eruption, rosacea, seborrheic dermatitis, psoria- of DLE (2,5). sis, tinea faciei and corporis, actinic keratoses and The clinical expression of skin involvement in sarcoidosis (1,4). patients with lupus erythematosus shows a great Treatment includes prophylaxis, and topical, variation, therefore, it has been difficult to issue surgical and systemic therapy. Sun avoidance and the classification of cutaneous lupus erythema- sunscreens with high UVA and UVB protection tosus (Table 1) which is currently used (3). The factors must be used religiously (1,4). lesions in our patient were consistent with hyper- Short-term high-potency topical corticosteroids trophic lupus erythematosus. and intralesional corticosteroids are usually effec- The predilection sites of cutaneous lupus ery- tive for early lesions before scarring has devel- thematosus are light-exposed areas, i.e. the fore- oped (1,4). Cryotherapy is effective especially for head, nose, cheeks, upper part of the back, upper hyperkeratotic lesions (1,4). chest, and dorsal aspects of the hands and feet Several other topical agents might be of use (1,2,4,6). Other sites include the eyelids, the ears in individual patients with cutaneous lupus erythe- including the ear canal where sunlight normally matosus. Retinoids, specifically tretinoin, might be does not reach, and the scalp (1). Our patient effective and have been primarily used in patients presented with DLE lesions on the left upper arm, with DLE and hypertrophic lupus erythemato- upper part of the back, and dorsal aspects of the sus. Tazarotene, a topical retinoid, might also be hands and lower lip, which are typical sites. used. Topical application of calcipotriene, a topi- Discoid lupus erythematosus is characterized cal vitamin D derivative, may be tried (3). Some by inflammatory plaques with scaling, follicular recent studies suggest the treatment with topical plugging, atrophic scarring, central hypopigmen- pimecrolimus and tacrolimus to be effective, but tation, and central hyperpigmentation (3). These large controlled studies are needed for further lesions can be quite destructive leading to de- evaluation (7-11). Finally, because it is known that struction of the nose, ears, cheeks, and scarring systemically administered interferon is effective alopecia on the scalp (1,4). for CLE, it might be helpful to apply imiquimod to Histologically, the epidermis and
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