Rosacea is a common chronic cutaneous disorder that primarily occurs on the convex surfaces of the central face and is often characterized by exacerbations and remissions. A case of a 52-yr-old woman visited our clinic in February 2008 complaining typical features of rosacea including multiple pinhead to rice-sized erythematous papules. We applied various conventional treatments including topical benzoyl peroxide and metronidazole as well as oral metronidazole, isotretinoin, and doxycycline. The lesions were not controlled but were rather aggravated by complications from these treatments. Therefore, we prescribed oral azithromycin, which has anti-inflammatory effects and reduces reactive oxygen species. Ten weeks after the administration of oral azithromycin, 500 mg per day for 2 weeks, the lesions had mostly disappeared and no specific side effects related to the azithromycin were noted. Oral azithromycin dosing 500 mg/day for 2 weeks is effective for treatment of intractable rosacea.
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In this population-based case-control study, isotretinoin use was not associated with increased UC risk but was associated with a decreased CD risk. This study provides reassuring data for people using isotretinoin.
Dissecting cellulitis of the scalp (DCS) is a suppurative, neutrophillic dermatosis. Therapies typically provide short-term improvement and include antibiotics, prednisone, and isotretinoin, as well as radiation, surgical excision, and laser ablation. The authors report the use of the tumor necrosis factor (TNF) blocker, adalimumab, to successfully treat a 39-year-old male with a long-standing history of DCS.
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In 2001, we reported that mortality may have been higher with isotretinoin (30 mg/d for 3 years) than with placebo in the subgroup of current smokers among the 1,166 patients with definitively resected early-stage non-small cell lung cancer who participated in the randomized, controlled Lung Intergroup Trial. We report the overall and cause (cancer, cardiovascular disease, or other)-specific mortality associated with long-term isotretinoin after an extended median follow-up of 6.2 years that included the capture of cause-of-death data from 428 deceased patients. Overall mortality was 36.7% in each of the two trial arms, about two thirds related to cancer and one third to other or unknown causes. Overall and cancer deaths increased in current smokers in the isotretinoin arm during the treatment and the extended follow-up period. No mortality end point increased among never smokers and former smokers taking isotretinoin, and cancer deaths decreased marginally in this combined subgroup. Isotretinoin also increased deaths from cardiovascular disease in current smokers. The present analysis supports the safety of protracted isotretinoin use in the combined group of never smokers and former smokers, which has important public health implications, for example, for treating acne in young people. The increased mortality in current smokers in this study is further evidence of the multifaceted danger of active smoking. The overall indications of this study have public health implications for treating acne in young people and other uses of retinoids in smokers.
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Nail changes occur in about 25% of systemic lupus erythematosus (SLE) cases. Onycholysis has been reported as the most frequent abnormality in SLE. Nailbed hyperkeratosis may be observed in both SLE and discoid lupus erythematosus (DLE). Involvement of the nail apparatus in DLE is extremely uncommon and never restricted to it. We report on a patient in whom the clinical features on the proximal nailfold were similar to those observed on the skin of a patient with typical DLE. This has, to the best of our knowledge, not yet been reported. The patient also exhibited a very distinctive prominent subungual hyperkeratosis. Interestingly, the patient developed biological alterations suggesting a systematization of the disease. Only a combination of systemic corticoids, retinoids and antimalarials was able to achieve nail improvement and this partial resistance to therapy may be explained by the very unusual subungual hyperkeratosis.
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A large number of different substances comprise the family of retinoids, which are traditionally described as vitamin A derivatives. By exerting their action through nuclear and cytoplasmic receptors they may improve photoaging. Tretinoin is the best studied retinoid in the treatment of photoaging. Others such as isotretinoin, retinaldehyde, and tazarotene, although less well studied, have given promising results.