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Biomedical subjects

J Roed-Petersen

Publications and source records attributed to J Roed-Petersen.

At least 19 recordsLinked to original sources

[Occlusive treatment of atrophic and erosive oral lichen planus with Clobetasol Propionate 0.05% ointment (Dermovat)].

The treatment of eight patients with histologically verified atrophic or erosive lichen planus are reported. The lesions of WHO-diagnosis code 697.02 were subdivided into three classes: atrophic, minor erosive and major erosive. Clobetasol Propionate ointment was placed in the buccal mucosa under an occlusive DuodermR dressing. Healing with striation was obtained in all of those lesions classified as atrophic or minor erosive, while major erosive lesions showed improvement, but persisted.

Aged

Double-blind, right/left comparison of calcipotriol and betamethasone valerate in treatment of psoriasis vulgaris.

The therapeutic efficacy and tolerability of calcipotriol ointment and betamethasone valerate ointment in psoriasis were compared in a multicentre, prospective, randomised, double-blind, right/left trial. 345 inpatients and outpatients with psoriasis vulgaris of symmetrical distribution were treated twice daily for 6 weeks with calcipotriol ointment 50 micrograms/g and betamethasone ointment 0.1% randomly assigned to opposite sides of the body. The main outcome measures--the psoriasis area and severity index (PASI), the investigators' assessments of erythema, thickness, and scaling, and the patients' own assessments of the overall response to treatment--were sought at weeks 2, 4, and 6. Both treatments significantly reduced the PASI scores and the investigator's assessment scores, but at each visit the PASI score was significantly (p less than 0.001) lower with calcipotriol than with betamethasone. At 6 weeks the mean PASI reduction was 68.8% with calcipotriol and 61.4% with betamethasone (95% confidence interval for difference 5.1-9.8, p less than 0.001). The scores for erythema, thickness, and scaling were significantly (p less than 0.001) lower with calcipotriol than with betamethasone at the end of treatment. The patients considered that 82.1% of calcipotriol-treated sides and 69.3% of betamethasone-treated sides had improved greatly or cleared up by the end of treatment (p less than 0.001). 57 adverse events were reported by 52 patients (15.1%). The most common adverse event, lesional/perilesional skin irritation, was slightly but not significantly (p = 0.12) more common with calcipotriol treatment. 15 (4.3%) patients were withdrawn from the study, 3 because of local adverse events. There were no changes in serum calcium during the study. Thus, calcipotriol ointment was superior to betamethasone valerate ointment in psoriasis vulgaris. Though long-term results are not yet available, calcipotriol holds great promise as an antipsoriatic agent.

Administration, Topical

Nickel allergy and osteomyelitis in a patient with metal osteosynthesis of a jaw fracture.

A 27-year-old female, after a fracture of the mandible treated with osteosynthesis and after a difficult extraction, developed osteomyelitis with fistulation and sequestration. Sequestrectomy and extraction of the teeth in the osteomyelitic area did not clear the patient of symptoms. A patch test to nickel turned out to be positive. After removal of the stainless steel cerclage in the mandible, clinical and radiographic changes returned to normal within 2 and 8 weeks, respectively. It is concluded that, whenever acute treatment does not take priority, patch tests comprising nickel, cobalt and chromium should be performed in patients who are candidates for metal osteosynthesis.

Adult

Palpebral cellulitis.

Patients with palpebral cellulitis may turn in the first place to a skin clinic. The clinical picture and the course of disease are illustrated here by four case histories. The importance of differentiating between collateral orbital edema, palpebral cellulitis and orbital cellulitis is stressed.

Adolescent

Postsorters' rubber fingerstall dermatitis.

An outbreak of rubber fingerstall dermatitis in a Danish post office was found to be caused by minute amounts of isopropylphenyl-para-phenylenediamine (IPPD) in the fingerstalls. The presence of IPPD in the fingerstalls could not be explained by the manufacturer and had to be confirmed by gas chromatographic analysis.

Denmark

Contact dermatitis from antioxidants.

In a search for contact sensitivity to antioxidants we patch tested consecutive patients referred with eczematous dermatitis. Six cases of allergic contact sensitivity to nordihydroguairetic acid (NDGA) were observed. Three had been sensitized by one brand of cream containing 0.1% NDGA, in three patients the source of sensitization could not be traced. In four patients we found positive patch tests to butylated hydroxyanisole and/or to butylated hydroxytoluene. In two cases the positive patch tests were relevant, since both patients remained asymptomatic when antioxidants were avoided in food. They both had acute flares of vesicular eczema on the fingers after oral administration of small amounts. Gallate esters and Vitamin E (d,l-alpha-tocopherol) each gave one unexplained positive patch test. The present data suggest that further search for hidden sensitizers in topical medicaments and cosmetics is warranted. A declaration of all ingredients in industrial products should be placed on the label.

Adolescent

Airborne contact dermatitis from Compsoitae oleoresins simulating photodermatitis.

American ragweed (Ambrosia) dermatitis has an airborne pattern and is caused by lipid soluble oleoresins of pollens. A similar weed dermatitis has been described in India and Australia. The weeds involved were all of the Compositae family and contain sesquiterpene lactones with one common antigenic determinant. This study reports seven Danish patients treated for many years under the diagnosis of photodermatitis, who eventually proved to suffer from Compsoitae oleoresin dermatitis. Probably, Compsitae dermatitis is a world-wide disease, although aften misdiagnosed as has happened in Scandinavia.

Aged

Chronic zinc deficiency syndrome in a beer drinker with a Billroth II resection.

A 51-year-old woman, addicted to beer for several years, developed chronic zinc deficiency which caused severe mental impairment, a poor general condition with edema and diarrhea, widespread eczema craquelé and loss of hair. Laboratory tests showed a significantly lowered serum zinc concentration, microcytic anemia, an inversed serum albumin/gamma-globulin ratio and a decreased serum thyroxine. Two years earlier, her external pancreatic function had been found severely impaired. Following oral therapy with zinc sulfate 0.2 g X 3R, daily, the patient's mental and physical condition totally changed. In two weeks serum zinc was within the normal range, while hemoglobin concentration, serum proteins, serum thyroxine became normal in 4-8 weeks.

Alcohol Drinking

Occupational protein contact dermatitis in food handlers.

The preparation of food in restaurant kitchens carries a high risk of occupational dermatoses. Analysis of 33 cases revealed four different etiological types. Simple irritant dermatitis was rare (2 cases), plain contact dermatitis was more common (6 cases). Fifteen patients had relevant patch tests and scratch tests; ten had positive scratch tests only to explain the cause of their dermatitis. The last type was termed protein contact dermatitis. The major type IV allergens incriminated were metals, onion and garlic. The major proteinaceous allergens indicated by history and test results were fish and shell-fish. Open patch tests with the incriminated foods may cause erythema or oedema on normal skin after 20 minutes. Previously eczematous, now normal looking, skin often responds with a crop of dyshidrotic vesicles preceded by erythema and itching 30 minutes after the application of an open test. Examination for specific IgE is not always positive in such cases. Inhalant allergy was rare. The results indicate that food handlers are sensitized by the protein they touch, and then react to later contact with the proteins. Protein contact dermatitis is similarly common among veterinary surgeons, while the importance in other occupational groups remains to be studied.

Adolescent

Compositae sensitivity among patients with contact dermatitis: value of compositae oleoresins in a standard test series.

Patch tests with 24 Compositae species were performed on 81 patients suspected of having a plant dermatitis, of whom 16 had positive reactions to various species. When Compositae were included in the standard series, 10 of 488 consecutive patients (2%) were found to be sensitive to one or more species. Most of the positive test reactions were relevant. Fourteen of 16 sensitivities could have been detected by testing with two mixtures of Compositae. Alantolactone could not serve as a screening agent, since four of seven Compositae-sensitive patients had negative reactions to it. Concomitant reactions to balsams were found in four of 10 patients with unexpected sensitivy to Compositae. The clinical pattern of Compositae dermatitis may be that of a lichenified photo dermatitis. These cases are invariably missed, unless patch tests with Compositae are performed. Another group of patients have hadn eczema and also require patch tests with Compositae for etiological diagnosis. Because positive, relevant reactions are common, inclusion of a safe and reliable Compositae screening test in the standard series is urgently required. At the present stage, however, our test materials are sometimes irritant and they have occassionally caused active sensitization.

Dermatitis, Contact