Publications by authors named "Anita Petersen"

This is a case report of a 38-year-old, previously healthy man who was initially seen at an otorhinolaryngological department due to "swelling" of his tongue. Further history revealed four days of severe, non-specific headache and lisping. Two weeks prior to hospital admission he had seen a chiropractor due to neck pain.

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Neuritis vestibularis (NV) as a cause of vertigo is common among adults but very rare among children and is often underrecognized and underdiagnosed. Viral infection is suspected to be the most common cause and symptoms are sudden onset of vertigo, nausea, vomiting, impaired balance and horizontal nystagmus. This case report describes a three-year-old boy diagnosed with NV.

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The use of skin-sparing mastectomy (SSM) with immediate reconstruction is preferred, as it has cosmetic and psychological advantages, and comprises one operation. We retrospectively reviewed the complication rate after SSM and immediate reconstruction with implants in 141 consecutive patients with 208 reconstructions. Risk factors were related to both patients and the procedure.

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A 84 year-old woman was transferred to the ENT ward for treatment of epistaxis. An anterior rhinoscopy revealed a posterior bleeding source which was cauterised. A submucosal bulge was found in the cavity floor and biopsied.

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Background: Erythropoietic protoporphyria (EPP) is a rare, inherited disorder of haem biosynthesis owing to deficient ferrochelatase (FECH) and accumulation of protoporphyrin IX (PPIX). This results in acute cutaneous photosensitivity upon light exposure with production of reactive oxygen species (ROS) and ultra-weak photon emission (UPE) as a by-product. We investigated if UPE evaluated the light sensitivity in EPP patients and influence of zinc treatment.

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In a study comprising 63 children diagnosed with atopic dermatitis, the results of the ADVIA Centaur system was compared with the results obtained with the Pharmacia UniCAP100 system, which has been widely considered as a reference method for seric specific IgE (sIgE) measurements. The individual immunization against the most common food allergens [egg (f1), cow milk (f2), cod (f3), wheat (f4), peanut (f13) and soy bean (f14)] was determined by in vitro serum IgE testing and skin prick test (SPT). The comparison of the sIgE titers revealed a good concordance between the Centaur and the UniCAP tests for f1, f3, and f13 (94 %, 91 %, and 96 % respectively).

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Objective: To develop and evaluate a liquid phase immunoassay for accurate determination of allergen-specific IgE (sIgE) as a useful tool in the diagnosis of allergy patients.

Design And Methods: A fully automated, quantitative sIgE assay was developed for the ADVIA Centaur technology platform using a unique calibration method based on a recombinant reference allergen. Compared to most other IgE-assays, the assay employs a reverse sandwich architecture using monoclonal mouse anti-human IgE antibody covalently bound to paramagnetic particles in the solid phase and capturing the sample IgE.

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Dihydroxyacetone (DHA), the active substance in sunless tanning lotions reacts with the amino groups of proteins to form a brown-colored complex. This non-enzymatic glycation, known as the Maillard reaction, can also occur with free amino groups in DNA, raising the possibility that DHA may be genotoxic. To address this issue we investigated the effects of DHA on cell survival and proliferation of a human keratinocyte cell line, HaCaT.

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Sunless tanning with dihydroxyacetone (DHA) is not considered to be a sunscreen although it does absorb parts of the ultraviolet (UV) spectrum. We investigated the protection with topical application of DHA against solar UV-induced skin carcinogenesis in lightly pigmented hairless hr/hr C3H/Tif mice. Broad-spectrum UV radiation, simulating the UV part of the solar spectrum was obtained from one Philips TL12 and five Bellarium-S SA-1-12 tubes.

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Background: Potential phototoxicity has been described for a number of drugs and chemical substances. Psoralens, chlorpromazines and fluoroquinolones have been described as inducing photomutagenicity and photocarcinogenicity in vitro and in vivo. We wanted to investigate oral antidiabetics and diuretics for potential phototoxicity and possible DNA damage in the HaCaT cell line.

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