Letter: Systemic eczematous "contact-type" dermatitis medicamentosa caused by parabens.
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Biomedical subjects
Publications and source records attributed to J L Aeling.
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Pyoderma gangrenosum is an uncommon ulcerative skin disorder that is often associated with underlying systemic diseases, the most common of which is inflammatory bowel disease. We report an illustrative case of a 36-year-old woman with pyoderma gangrenosum occurring at surgical sites and at sites of trauma. She had associated Crohn disease. Multiple surgical procedures were performed on this patient, without improvement. Pyoderma gangrenosum can mimic a necrotizing soft tissue infection. Early recognition of the characteristic lesion may prevent unnecessary operations and facilitate effective control with appropriate medical therapy.
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All forms of cutaneous T-cell lymphoma are rare in childhood. We describe an 8-year-old boy with plaque-stage mycosis fungoides stage IIA whose cutaneous eruption had been present for 5 years. Histologic examination revealed the presence of a granulomatous infiltrate together with atypical lymphocytes within the dermis. The child had an excellent response to combination psoralen-UVA (PUVA) with interferon-alpha 2a treatment and is currently in remission.
Topical corticosteroids have been one of the cornerstones of dermatologic treatment for nearly 40 years. At present the most widely used topical steroid ranking system is the vasoconstrictor assay. To determine whether this is a satisfactory measure of the agents' potency in clinical settings, we examined rankings from the published literature achieved by four different methods: vasoconstriction, clinical outcome, therapeutic index (a ratio of efficacy to systemic safety), and cost, safety, and efficacy. Overall clinical outcome (efficacy) rankings in this study corresponded in only 11 (62%) of 17 topical steroid preparations with the expected vasoconstrictor rankings. The therapeutic index rankings did not correspond with the clinical outcome (33%) or the vasoconstrictor assay (33%) rankings. It was difficult to compare studies because of lack of standardization of clinical trials. We urge that topical steroid rankings not be based solely on vasoconstrictor assays, and that a standard method be developed for clinical trials of the drugs to allow for comparison among preparations.
Granuloma annulare (GA) may be associated with glucose intolerance. Twenty-one patients with GA were evaluated. Four patients were found to have frank diabetes mellitus and 2 were excluded from the data analysis because of obesity. The remaining patients and 14 age- and weight-matched controls had oral and intravenous glucose tolerance tests (GTT). During the oral GTT the fasting plasma glucose, the 2-h plasma glucose, the area of the glucose curve, the 1-h serum insulin, and the area of the insulin curve were all significantly greater in the GA patients than in the controls. During the intravenous GTT the immediately releasable insulin pool was intact, while the fasting plasma glucose and the area of the glucose curve were greater in the GA patients than in the controls. The data taken together suggest that glucose tolerance may be reduced in GA and that insulin resistance may exist.