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- Carré, Helena, et al.
(author)
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Asking about condom use : a key to individualized care when screening for chlamydia
- 2011
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In: International Journal of STD and AIDS (London). - : Sage Publications. - 0956-4624 .- 1758-1052. ; 22:8, s. 436-441
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Journal article (peer-reviewed)abstract
- Chlamydia trachomatis (CT) infection has been a target for both selective and national screening programmes, and Sweden has an opportunistic approach. A national plan of action states that risk groups should be identified and offered risk reduction counselling. Patients attending a drop-in sexually transmitted infection (STI) clinic reception at the University Hospital, Umeå, Sweden, were invited to complete a questionnaire regarding sociodemographic characteristics, symptoms and sexual risk behaviour; all had a CT test taken. A total of 1305 patients were included, 58% men, mean age 27.8 years. CT prevalence was 11%; 51% of those with CT were ≥ 25 years old. Only 5% used a condom during the entire sexual intercourse with their last new/temporary partner. Sexually active inconsistent condom users comprised 62% of the study population and contributed to 81% of the chlamydia infections. Asking whether a condom was used could quickly triage patients into groups with a 'higher risk' (none or inconsistent use of condoms and at least one new/temporary partners), and 'lower risk' (with more consistent condom use, although not always accurate) allowing for individualized care and counselling when screening for chlamydia. Evaluating whether a condom was used throughout the sexual intercourse did not add any useful information.
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- Ebrahimi, Majid, 1963-, et al.
(author)
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Mucosal lichen planus, a systemic disease requiring multidisciplinary care : a cross-sectional clinical review from a multidisciplinary perspective
- 2012
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In: Journal of Lower Genital Tract Disease. - 1089-2591 .- 1526-0976. ; 16:4, s. 377-380
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Journal article (peer-reviewed)abstract
- OBJECTIVE: This study aimed to emphasize the importance of seeing mucosal lichen planus (LP) as a systemic disease and not an isolated oral or genital disease and to analyze the proportion of thyroid antibodies among patients with multimucosal LP.MATERIALS AND METHODS: All patients examined by the authors and diagnosed with mucosal LP within 1 year were consecutively included. Full medical histories were collected with special emphasis on autoimmune and thyroid diseases. Sera were analyzed for thyroid antibodies and underwent serologic test for herpes virus. The control group comprised 83 healthy volunteers matched regarding sex and age.RESULTS: Of the patients, 120 were included, 89 (74%) of whom were women and 31 (26%) were men. The vast majority of the patients had multifocal lesions, whereas oral lesions solely were found in 28% of women and 36% of men. Of the patients, 28% had at least 1 additional autoimmune disease. Approximately half of the women were treated with levothyroxine owing to thyroid disease. Antibodies against herpes simplex virus were found in 60% of the patients and 44% of the controls (p < .03).CONCLUSIONS: Lichen planus with mucosal involvement should be considered and taken care of as a systemic disease and not as an isolated oral and/or genital lichen. Contradictory to many former reports, most of our patients have a multimucosal disease that emphasizes the need for a multidisciplinary clinic to get optimal care and treatment.
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- Hansson, Thomas, et al.
(author)
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Sights of touching activates the somatosensory cortex in humans
- 2009
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In: Scandinavian Journal of Plastic and Reconstructive Surgery and Hand Surgery. - : Informa UK Limited. - 1651-2073 .- 0284-4311. ; 43:5, s. 267-269
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Journal article (peer-reviewed)abstract
- We report our observations of cross-modal interactions between sight and touch using functional magnetic resonance imaging (fMRI). Experiments were devised to show that sight and touch are linked in a cross-modal arrangement, and two separate experiments were done in an MRI scanner. In the first, the subject's right hand was stimulated with a brush; in the second, a video sequence was presented to the subject inside the scanner through video goggles in visual three-dimensional stereo, showing one brushstroke every second on a hand in the same manner as the subject had just previously experienced. The result was that both the primary and the secondary somatosensory cortexes were activated in the participants when the hands were touched, and when the subjects saw only a hand being touched in the same manner. The results indicated cross-modal links between sight and touch of the hand in humans.
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- Loljung, Lotta, et al.
(author)
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High expression of p63 is correlated to poor prognosis in squamous cell carcinoma of the tongue
- 2014
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In: Journal of Oral Pathology & Medicine. - : John Wiley & Sons. - 0904-2512 .- 1600-0714. ; 43:1, s. 14-19
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Journal article (peer-reviewed)abstract
- Backgroundp63 proteins are important in formation of the oral mucosa. Normal oral mucosa shows a balance between the six protein isoforms, whereas an imbalance between them is seen in squamous cell carcinomas (SCC). There is controversy over the clinical impact of p63 in SCC, which may relate to different expression in different areas. In addition, p63 isoforms can act as p53-like molecules (TAp63) or can inhibit p53 functions (Np63) and expression of these isoforms varies in different tumours. Here, we chose to concentrate on the most common intra-oral sub-site, SCC of the mobile tongue. MethodsTotal p63, Np63 and TAp63 were analysed separately using immunohistochemistry. The percentage of cells and intensity of expression of different isoforms of p63 was evaluated using a quick score method and correlated with clinical data in a group of 87 patients with tongue SCC. ResultsAll tumours expressed p63 in at least 60% of the cells when using two different antibodies detecting all 6 isoforms. p63 expression correlated significantly with 2-year survival (P=0.018), with fewer patients surviving 2years if their tumours expressed p63 with strong intensity in at least 80% of the cells (quick score 18). Looking at 5-year survival, this was even more emphasized. Np63 was expressed in all tumours, whereas expression of TAp63 was seen only in 59/87 patients, usually at very low levels. ConclusionsBased on the present data, we recommend using expression of p63 as an additional factor contributing prognostic information in analysis of SCC in the tongue.
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| 7. |
- Lundborg, Göran, et al.
(author)
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Artificial sensibility of the hand based on cortical audiotactile interaction : A study using functional magnetic resonance imaging
- 2005
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In: Scandinavian Journal of Plastic and Reconstructive Surgery and Hand Surgery. - : Informa UK Limited. - 0284-4311 .- 1651-2073. ; 39:6, s. 370-372
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Journal article (peer-reviewed)abstract
- The capacity of the central nervous system for plastic alterations is the base for our ability to adapt to environmental needs. The crossmodal capacity of the brain makes interaction between senses possible, and deprivation of one sense leads to compensatory changes in other senses. We have recently shown how hearing can substitute for sensation in a transplanted insensitive hand by using a sensor glove equipped with small microphones that pick up the sound of friction, which is elicited by active touch. Here we have used functional magnetic resonance imaging (fMRI) in healthy people to illustrate their capacity for cortical audiotactile interaction with activation of the somatosensory cortex induced by auditory stimuli. The phenomenon occurred only in subjects trained to substitute sensibility by hearing, and no audiotactile interaction was found in untrained subjects. © 2005 Taylor & Francis.
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- Lundqvist, Lotta, et al.
(author)
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The importance of stromal inflammation in squamous cell carcinoma of the tongue
- 2012
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In: Journal of Oral Pathology & Medicine. - : Wiley-Blackwell. - 0904-2512 .- 1600-0714. ; 41:5, s. 379-383
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Journal article (peer-reviewed)abstract
- Background: Histological risk assessment evaluating worst pattern of tumour invasion (WPOI), and lymphocytic response (LR), has previously been shown to be of prognostic significance in squamous cell carcinomas of the head and neck (SCCHN). SCCHN is a heterogeneous group of tumours including tumours located in the oral cavity, of which the majority is located in the tongue. Methods: Haematoxylin/eosin-stained slides from diagnostic biopsies from 94 cases of SCC on the tongue were evaluated for WPOI and LR. Within the inflammatory infiltrate, the percentage of eosinophilic granulocytes was also estimated. Results were correlated with clinical data such as response to treatment and recurrence. Results: For WPOI the majority of patients, 84%, showed small invasive tumours islands with a size <15 cells (grade 4). No correlation with survival, response to treatment or recurrence was seen for WPOI. More than half of the patients showed a dense lymphocytic infiltrate, a factor that was significantly correlated with complete response to radio therapy. Of the patients with dense lymphoid infiltrate, the majority, 63%, did not either have a recurrence. No significant correlation with recurrence, response to treatment or any other factor was seen for presence of eosinophils. Conclusions: Data clearly showed that tongue tumours have a split invasive growth pattern and an intense inflammatory response at the tumour interface. Results also indicated that evaluation of the intensity of the inflammatory infiltrate at the tumour interface in tongue SCC could provide information of potential importance for choice of treatment and prognosis.
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- Oreland, Sadia, et al.
(author)
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Ethanol-induced effects on the dopamine and serotonin systems in adult Wistar rats are dependent on early-life experiences
- 2011
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In: Brain Research. - : Elsevier BV. - 0006-8993 .- 1872-6240. ; 1405, s. 57-68
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Journal article (peer-reviewed)abstract
- Some individuals control their ethanol consumption throughout life, but others escalate their intake to levels that increase the risk for addiction. The early environment influences the individual response to ethanol and affects the underlying physiological processes that lead to a transition from a voluntary to a compulsive use of ethanol. However, the neurobiological substrates for these processes are not understood. The present study aimed to test the hypothesis that early environmental experiences affect the neurobiological effects that are induced by voluntary ethanol consumption. Rat pups were subjected to three different rearing environments: conventional animal facility rearing or separation from dam and littermates for either 15 or 360 min. In adulthood, the rats were exposed to a two-bottle free choice between ethanol and water for seven weeks. Tissue levels of dopamine, 5-hydroxytryptamine (5-HT) and their metabolites were measured in brain areas that have been implicated in reward and addiction processes. Differences in ethanol-induced effects were noted in 5-HT-related measurements in the nucleus accumbens and ventral tegmental area and in dopamine-related measurements in the dorsal raphe nucleus (DRN). These results provided evidence of an early environmental impact on interactive neuronal circuits between the DRN and reward pathways. The amygdala, a key area in addiction processes, was particularly sensitive to early-life conditions. The animals that experienced the longest separation differed from the others; they had low basal 5-HT levels and responded with an increase in 5-HT after ethanol. These altered responses to initial ethanol consumption as a result of early environmental factors may affect the transition from habitual to compulsive drinking and contribute to individual vulnerability or resilience to addiction.
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