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Muacevic A, Adler JR, Arnouk H. Cornulin as a Prognosticator for Lymph Node Involvement in Cutaneous Squamous Cell Carcinoma. Cureus 2022; 14:e33130. [PMID: 36721574 PMCID: PMC9884428 DOI: 10.7759/cureus.33130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/30/2022] [Indexed: 12/31/2022] Open
Abstract
Background Cornulin is an epidermal differentiation marker and a stress-related protein. Its expression patterns are likely to reflect the multi-step tumorigenesis process of cSCC, given its role as a tumor suppressor. The aim of this study is to evaluate the utility of Cornulin as a prognosticator for cutaneous squamous cell carcinoma (cSCC). Specifically, the correlation between Cornulin expression and the clinicopathological parameter of lymph node involvement (nodal status), which plays a major role in determining cSCC prognosis and recurrence. We predicted that Cornulin expression declines as cSCC tumors metastasize to regional lymph nodes. Methodology Tissue samples of cSCC lesions of variable nodal involvement status were stained using immunohistochemistry, and high-resolution images were acquired. Aperio ImageScope software (Leica Biosystems) equipped with a positive-pixel-counting algorithm was used to quantify the staining intensity. Subsequently, Cornulin immunoreactivity was calculated as a Histo-score (H-score) value, which is based on the staining intensity and the percentage of positively stained cells. Mean H-scores were compared between groups using an unpaired t-test. Results A significant inverse correlation was found between Cornulin expression levels and metastasis to the lymph nodes. Specifically, primary tumors with metastasis to regional lymph nodes (N1) exhibited 9.5-fold decrease in Cornulin immunoreactivity compared to the primary tumor samples without lymph node involvement (N0). Conclusion Cornulin was found to be significantly downregulated in primary tumors with lymph node metastases. Detection assays to measure Cornulin expression in cSCC primary tumors might aid in determining the nodal status in these patients and possibly help determine cases of occult lymph node metastasis or micrometastasis. Future clinical studies are needed to help establish Cornulin's role in enhancing the predictive power of histopathological examination and improving survival rates for patients suffering from this type of skin cancer.
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2
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An Epidemiological Update on Indoor Tanning and the Risk of Skin Cancers. Curr Oncol 2022; 29:8886-8903. [PMID: 36421352 PMCID: PMC9689757 DOI: 10.3390/curroncol29110699] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2022] [Revised: 11/10/2022] [Accepted: 11/15/2022] [Indexed: 11/19/2022] Open
Abstract
Indoor tanning (sunbeds, solarium) uses artificial ultraviolet radiation (UVR) to stimulate cosmetic tanning of the skin. Indoor tanning has been officially classified as a human carcinogen in 2009 by the International Agency for Research on Cancer of the World Health Organization (WHO). The differences in the prevalence of sunbed use across countries and over the years highlight underlying legislative, climatic, and cultural differences. Indoor tanning-seeking behaviors may be driven by motivations for an appealing appearance, largely influenced by gender and age, and several misconceptions that a prevacation tan safeguards the skin, that sunbeds can be used to treat acne or to increase vitamin D, or that tanning is a healthy habit. This review provides an epidemiological update on the prevalence of sunbed use, who tends to use sunbeds and why, and details the current evidence on the association of sunbeds with skin cancers, including cutaneous melanoma, basal cell carcinoma (BCC), and cutaneous squamous cell carcinoma (cSCC). A statistically significant higher risk of cutaneous melanoma, BCC and cSCC with the use of sunbeds has been consistently demonstrated. This risk of skin cancer is even higher with the more frequent use of sunbeds, underscoring a dose-response relationship, and in those first exposed to sunbeds at a younger age. Preventive measures against sunbed use include legislation restricting sunbed use, educational campaigns to inform and discourage from indoor tanning, as well as using the internet, online advertising messages and the social media to reach larger audiences and to promote an untanned appearance.
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Muacevic A, Adler JR, Arnouk H. Cornulin as a Potential Novel Biomarker for Cutaneous Squamous Cell Carcinoma. Cureus 2022; 14:e31694. [PMID: 36561600 PMCID: PMC9765330 DOI: 10.7759/cureus.31694] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/20/2022] [Indexed: 11/21/2022] Open
Abstract
Background This study aimed to evaluate the expression of an epidermal differentiation marker, cornulin, in cutaneous squamous cell carcinoma (cSCC). Cornulin has been found to be downregulated in various squamous cell carcinomas of other tissues; however, its expression in cSCC has never been studied. We predicted that cornulin expression in cSCC is reduced compared to the normal epidermis. Moreover, we hypothesized that an inverse relationship exists between cornulin expression and the loss of differentiation, as defined by histopathological grading of cSCC lesions. Methodology Samples of normal skin and cSCC lesions of variable histopathological grades were stained using immunohistochemistry. High-resolution tissue images were analyzed with Aperio ImageScope (Leica Biosystems) utilizing a positive-pixel-counting algorithm to quantify the staining intensity. Histo-score (H-score) was calculated based on staining intensity and percentage of positive cell staining. Mean H-scores were compared using an unpaired t-test. Results We documented cornulin expression in cSCC for the first time. Cornulin levels were downregulated by more than two-fold in cSCC compared to the normal epidermis. Additionally, we observed a 4.5-fold downregulation in cornulin expression in tumors with high histopathological grades when compared to low histopathological grade tumors. Conclusions Cornulin expression levels measured through immunohistochemistry staining can help distinguish among the different histopathological grades of cSCC. Therefore, we propose that cornulin detection can be an adjunct to pathological examination to evaluate the differentiation status of cSCC specimens. Longitudinal studies are needed to establish the utility of cornulin as a diagnostic and prognostic biomarker for cSCC.
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Topical Pharmacotherapy for Actinic Keratoses in Older Adults. Drugs Aging 2022; 39:143-152. [PMID: 35156172 PMCID: PMC8873057 DOI: 10.1007/s40266-022-00919-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/10/2022] [Indexed: 11/21/2022]
Abstract
Actinic keratosis is caused by excessive lifetime sun exposure. It must be treated, regardless of thickness, because it is the biologic precursor of invasive squamous cell carcinoma, a potentially deadly malignancy. Physical ablative techniques such as cryotherapy, lasers, and curettage are the most used treatments for isolated lesions. Multiple lesions are treated with topical drugs, chemical peelings, and physical techniques. Drug preparations containing diclofenac plus hyaluronate, aminolevulinic acid, and methyl aminolevulinate and different concentrations of imiquimod and 5-fluorouracil are approved for this clinical indication. All treatments have a good profile of efficacy and tolerability although there are relevant differences in the clearance rate, tolerability, and type and frequency of adverse effects. In addition, they have very different mechanisms of action and treatment protocols. No differences in the efficacy and tolerability were found in older patients compared with younger patients, therefore no dose adjustments are needed. That said, older patients often need to be motivated to treat actinic keratoses and a careful attention to expectations, needs, and preferences should be used to obtain the maximal adherence and prevent treatment failure. This goal can be achieved with a careful evaluation not only of published efficacy, toxicity, and tolerability data but also of practical topics such as the frequency of daily applications, the overall duration of therapy, and the need for a caregiver. Finally, particular attention must be paid in the case of frail patients and immunosuppressed patients.
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5
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Affiliation(s)
- H Smith
- Department of Dermatology, Nottingham NHS Treatment Centre, Nottingham NG7 2FT, UK
| | - A Wernham
- Department of Dermatology, Nottingham NHS Treatment Centre, Nottingham NG7 2FT, UK
| | - A Patel
- Department of Dermatology, Nottingham NHS Treatment Centre, Nottingham NG7 2FT, UK
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6
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Ehteram H, Sadat Mousavian M, Mazoochi T, Khamehchian T, Karimian M. Association of Some High-Risk Mucosal Types of Human Papillomavirus with Cutaneous Squamous Cell Carcinoma in an Iranian Population. IRANIAN JOURNAL OF PATHOLOGY 2019; 14:313-316. [PMID: 31754361 PMCID: PMC6824775 DOI: 10.30699/ijp.2019.101544.2011] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 01/15/2019] [Accepted: 07/18/2019] [Indexed: 11/06/2022]
Abstract
BACKGROUND & OBJECTIVE Squamous cell carcinoma (SCC) is the second most common non-melanoma skin cancer that may be caused by Human papillomavirus (HPV), especially in immunosuppressed patients. However, the role of the mucosal types of HPV in SCC patients with normal immunity has not been extensively confirmed. The aim of this study was to investigate the association of some high-risk mucosal types of HPV with cutaneous SCC in an Iranian population. METHODS Sixty-five formalin-fixed, paraffin-embedded tissue specimens with a diagnosis of cutaneous SCC as the case group and sixty-five healthy skin specimens as the control group were included in our case-control study. Genomic DNA was extracted from tissue samples and then PCR was used for the detection of HPV genotypes by a commercial kit. RESULTS Our data revealed that 6 out of 65 SCC samples (9.2%) were infected by high-risk mucosal types of HPV whereas none of the 65 control samples were infected by the mentioned HPVs. Statistical analysis showed a significant association between these types of HPV infection and SCC risk in our studied population (P=0.028). CONCLUSION These findings suggested that some high-risk mucosal types of HPV are significant risk factors for cutaneous SCC.
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Affiliation(s)
- Hassan Ehteram
- Department of Pathology, Faculty of Medicine, Kashan University of Medical Sciences, Kashan, Iran
| | | | - Tahereh Mazoochi
- Gametogenesis Research Center, Kashan University of Medical Sciences, Kashan, Iran
| | - Tahereh Khamehchian
- Department of Pathology, Faculty of Medicine, Kashan University of Medical Sciences, Kashan, Iran
| | - Mohammad Karimian
- Anatomical Sciences Research Center, Kashan University of Medical Sciences, Kashan, Iran
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7
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Skiljevic D, Sreckovic L. Ultraviolet radiation exposure among Belgrade high school students: analysis of knowledge, attitudes and behaviour. J Eur Acad Dermatol Venereol 2019; 33 Suppl 2:63-75. [PMID: 30811695 DOI: 10.1111/jdv.15312] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2018] [Accepted: 09/20/2018] [Indexed: 12/23/2022]
Abstract
BACKGROUND The incidence of melanoma has been increasing worldwide. Extended UV exposure during childhood or adolescence significantly increases the probability of skin cancer in adulthood. OBJECTIVE The objective of this study was to analyse knowledge, attitudes and behaviour regarding exposure to natural and artificial UV radiation among Belgrade high school students. METHODS The study was conducted using a questionnaire among 549 students of 3rd and 4th grade (17 and 18 years of age) in four Belgrade high schools. The questionnaire had 32 questions: questions about gender, date and month of birth and parents' education, nine questions regarding sunbed use, nine questions regarding behaviour in the sun during summer months, four questions regarding personal and family history and skin phototype and seven questions regarding attitude and general knowledge about effects of UV radiation. Assessment of frequency rate and relative numbers was used as methods of descriptive statistics. RESULTS As many as 39% of participants had used a sunbed at least once, 38% plan on using it in the future. One quarter spends more than 3 hours in the sun on the beach during summer without any protection, and only one-third of participants had not experienced sunburn during last summer. Only one-half of students know what melanoma is, while 37% stated that they do not know. CONCLUSION General awareness of risk factors regarding sun exposure as well as general knowledge about melanoma is not on a high level among Belgrade high school students. Therefore, besides legislative measures, it is extremely important to conduct adequate education programmes in high schools.
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Affiliation(s)
- D Skiljevic
- Clinic of Dermatovenereology, Clinical Centre of Serbia, Belgrade, Serbia.,Department of Dermatovenereology, Faculty of Medicine, University of Belgrade, Belgrade, Serbia
| | - L Sreckovic
- Clinic of Dermatovenereology, Clinical Centre of Serbia, Belgrade, Serbia
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8
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Tanning dependence and seasonal affective disorder are frequent among sunbathers but are not associated. Psychiatry Res 2019; 272:387-391. [PMID: 30605797 DOI: 10.1016/j.psychres.2018.12.090] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/14/2018] [Revised: 12/17/2018] [Accepted: 12/17/2018] [Indexed: 11/22/2022]
Abstract
Ultraviolet radiation (UVR) is a known risk factor for skin cancers. Those who are tanning dependent seek out UVR exposure. Many tanners have expressed symptoms of seasonal affective disorder (SAD), but conclusive evidence of a connection with tanning dependence is lacking. We evaluated the frequency of tanning dependence or abuse and symptoms of SAD among Finnish sunbathers and analysed whether phenomena are associated which could indicate a common biological mechanism. Sunbathing related tanning dependence/abuse among Finnish sunbathers were assessed using the Structured Interview for Tanning Abuse and Dependence measure (SITAD), and symptoms of SAD were assessed with the Seasonal Pattern Assessment Questionnaire (SPAQ). Of 229 sunbathers, 8% (n = 18) were classified as tanning-dependent, and 26% (n = 59) were classified as tanning abusers. Additionally, 16% (n = 37) met the criteria for SAD, and 26% (n = 60) met the criteria for subsyndromal seasonal affective disorder (S-SAD), but there was no significant association between tanning dependence or abuse and SAD or S-SAD. Sunbathing dependence or abuse and SAD/S-SAD were frequent among sunbathers, and they may promote sun-seeking risk behaviour. However, within this sample, tanning dependence and SAD/S-SAD were not associated.
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9
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Augustin M, Schäfer I, Krensel M, Reusch M, Mohr P, Greinert R, John SM, Zander N. Decreasing sunbed use in the German population between 2001 and 2015: survey in 155 679 working persons. J Eur Acad Dermatol Venereol 2018; 33:541-545. [PMID: 30408254 DOI: 10.1111/jdv.15309] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2017] [Accepted: 09/20/2018] [Indexed: 11/30/2022]
Abstract
BACKGROUND UV radiation is a proven cause of skin cancer. Use of sunbeds has been shown to provide an attributable risk. OBJECTIVE To evaluate the proportion of regular sunbed use in Germany based on large-scale population-based surveys over 15 years. METHODS Skin cancer screenings by dermatologists were conducted between 2001 and 2015 in more than 500 German companies, including a clinical examination and interviews on the risk behaviour related to sunburns and sunbeds. RESULTS Among 155 679 persons included regular sunbed use significantly declined from 11.0% in 2001 to 1.6% in 2015 (P < 0.001). There were significantly higher rates of sunbed use in women (12.5%/2.0%) vs. men (7.3%/1.3%; P < 0.001), in younger persons and in participants with darker skin (type II and III) vs. fair skin (type I). Individuals with sunburns in childhood were significantly more often sunbed users (5.1% vs. 4.6%; P = 0.002). A remarkable decline of sunbed use was observed after 2009 (7.0% in 2001-2008 and 2.2% in 2009-2015). This reduction occurred in the time of a legal ban of sunbed use for minors but also with the start of the national skin cancer screening programme. CONCLUSION Use of sunbeds in the German adult population has dropped by more than 85% in the past decade. Primary prevention, including the large public awareness following the legal ban of sunbed use for young people and the effects of the statutory skin cancer screening programme may have contributed to this.
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Affiliation(s)
- M Augustin
- Institute for Health Services Research in Dermatology and Nursing (IVDP), University Medical Center Hamburg-Eppendorf (UKE), Hamburg, Germany
| | - I Schäfer
- Institute for Health Services Research in Dermatology and Nursing (IVDP), University Medical Center Hamburg-Eppendorf (UKE), Hamburg, Germany
| | - M Krensel
- Institute for Health Services Research in Dermatology and Nursing (IVDP), University Medical Center Hamburg-Eppendorf (UKE), Hamburg, Germany
| | - M Reusch
- Institute for Health Services Research in Dermatology and Nursing (IVDP), University Medical Center Hamburg-Eppendorf (UKE), Hamburg, Germany.,Dermatological Practice Tibarg, Hamburg, Germany
| | - P Mohr
- Department of Dermatology, Elbe Kliniken Buxtehude, Buxtehude, Germany
| | - R Greinert
- Department of Dermatology, Elbe Kliniken Buxtehude, Buxtehude, Germany
| | - S M John
- Institute for Interdisciplinary Dermatological Prevention and Rehabilitation (iDerm), University of Osnabrück, Osnabrück, Germany
| | - N Zander
- Institute for Health Services Research in Dermatology and Nursing (IVDP), University Medical Center Hamburg-Eppendorf (UKE), Hamburg, Germany
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10
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Barnard IRM, Tierney P, Campbell CL, McMillan L, Moseley H, Eadie E, Brown CTA, Wood K. Quantifying Direct DNA Damage in the Basal Layer of Skin Exposed to UV Radiation from Sunbeds. Photochem Photobiol 2018; 94:1017-1025. [PMID: 29752876 DOI: 10.1111/php.12935] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2018] [Accepted: 04/12/2018] [Indexed: 12/22/2022]
Abstract
Nonmelanoma and melanoma skin cancers are attributable to DNA damage caused by ultraviolet (UV) radiation exposure. One DNA photoproduct, the cyclobutane pyrimidine dimer (CPD), is believed to lead to DNA mutations caused by UV radiation. Using radiative transfer simulations, we compare the number of CPDs directly induced by UV irradiation from artificial and natural UV sources (a standard sunbed and the midday summer Mediterranean sun) for skin types I and II on the Fitzpatrick scale. We use Monte Carlo radiative transfer (MCRT) modeling to track the progression of UV photons through a multilayered three dimensional (3D) grid that simulates the upper layers of the skin. By recording the energy deposited in the DNA-containing cells of the basal layer, the number of CPDs formed can be quantified. The aim of this work was to compare the number of CPDs formed in the basal layer of the skin and by implication the risk of developing cancer, as a consequence of irradiation by artificial and natural sources. Our simulations show that the number of CPDs formed per second during sunbed irradiation is almost three times that formed during solar irradiation.
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Affiliation(s)
| | - Patrick Tierney
- Photobiology Unit, Ninewells Hospital & Medical School, University of Dundee, Dundee, UK
| | | | - Lewis McMillan
- SUPA, School of Physics and Astronomy, University of St Andrews, St Andrews, UK
| | - Harry Moseley
- Photobiology Unit, Ninewells Hospital & Medical School, University of Dundee, Dundee, UK
| | - Ewan Eadie
- Photobiology Unit, Ninewells Hospital & Medical School, NHS Tayside, Dundee, UK
| | | | - Kenneth Wood
- SUPA, School of Physics and Astronomy, University of St Andrews, St Andrews, UK
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11
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Stevens J, Egger G. A Review of Small Screen and Internet Technology-Induced Pathology as a Lifestyle Determinant of Health and Illness. Am J Lifestyle Med 2017; 14:114-117. [PMID: 32231472 DOI: 10.1177/1559827617749171] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2017] [Revised: 11/28/2017] [Accepted: 11/28/2017] [Indexed: 01/05/2023] Open
Abstract
Most advances in humanity have been related to the discovery or introduction of new innovations and/or technology. There should be no suggestion that all technology is pathological or that major advances in health, science, and well-being have not come from industrial and technological advances. However, just like the invention of the wheel would have no doubt caused people to be injured and modern lifesaving medicines can have side effects, modern technology can have a downside, which needs to be recognized. This article explores some of the pathologies linked to small screen and internet technologies (personal computers, communication devices, and the internet). The uptake and impact of this set of technologies is pivotal in redefining our lifestyle behaviors and environment: the way we work, shop, seek entertainment, communicate, socialize, reproduce, interact with the environment, and seek information.
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Affiliation(s)
- John Stevens
- Southern Cross University, Lismore, New South Wales, Australia (JS).,Centre for Health Promotion and Research Pty Ltd, Sydney, New South Wales, Australia (GE)
| | - Garry Egger
- Southern Cross University, Lismore, New South Wales, Australia (JS).,Centre for Health Promotion and Research Pty Ltd, Sydney, New South Wales, Australia (GE)
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12
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Škiljević D, Srećković L. Sunbed Use Among Belgrade High School Students. SERBIAN JOURNAL OF DERMATOLOGY AND VENEREOLOGY 2017. [DOI: 10.1515/sjdv-2017-0001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Abstract
Introduction: The incidence of melanoma has been increasing worldwide. Ultraviolet (UV) radiation from the sun and sunbeds are the major risk factors for the development of melanoma and non-melanoma skin cancers. Excessive UV exposure during childhood and adolescence increases the probablity of skin cancer in adulthood. The objective of this study was to analyze the exposure to artificial UV radiation using sunbeds among Belgrade high school students.
Material and Methods: The study was conducted using a questionnaire among 549 3rd and 4th grade students in 4 Belgrade high schools. The questionnaire included 10 questions on the sunbed use, attitudes, and general knowledge about effects of UV radiation from sunbeds. Statistical analysis assessed the frequency rate and relative frequency as methods of descriptive statistics.
Results: A total of 39% of participants had used a sunbed at least once, and 38% plan on using it in the future. When asked at what age they first used a sunbed, 45.66% of high school students stated that it was at the age of 13 or 14. Most adolescents have used a sunbed less than 5 times (38%), whereas 8% of them used it over 30 times.
Conclusion: The awareness of the risks associated with UV exposure in sunbeds is not at a satisfying level among Belgrade high school students. Educational and legislative measures are necessary to protect this highly sensitive population and prevent malignant consequences.
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Affiliation(s)
- Dušan Škiljević
- Clinic of Dermatovenereology , Clinical Center of Serbia , Belgrade , Serbia
- Department of Dermatovenereology, School of Medicine , University of Belgrade , Belgrade , Serbia
| | - Lucija Srećković
- Clinic of Dermatovenereology , Clinical Center of Serbia , Belgrade , Serbia
- Department of Dermatovenereology, School of Medicine , University of Belgrade , Belgrade , Serbia
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13
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Zhou S, Mukovozov I, Chan AW. What Is Known About the Psychodermatology Clinic Model of Care? A Systematic Scoping Review. J Cutan Med Surg 2017; 22:44-50. [DOI: 10.1177/1203475417719045] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Background: Psychodermatology focuses on the interaction between skin and mental health. Existing research discusses the recognition and treatment of these disorders. However, little is known about the operational structure of subspecialised psychodermatology clinics. Objective: To identify literature on the structure and logistics of delivering a psychodermatology service. Methods: A systematic search of MEDLINE, PsycINFO, Embase, and Google Scholar was performed. Articles were included if they discussed the concept and organisation of a psychodermatology practice. Results: We identified 693 studies; after screening titles and abstracts, 35 full-text articles were assessed, and 17 were included in the scoping review. Most articles discussed aspects of clinic organisation in general; others discussed management of a clinic in the context of specific diseases or made recommendations on incorporating psychotherapeutic techniques in a solo practitioner setting. A weekly multidisciplinary clinic or resident teaching clinic with joint dermatologist-psychiatrist consultation is the most commonly reported model. Specifically, a stepped level of care approach is often used, where patients in increasing level of distress are stratified to the appropriate team of trained professionals. A corresponding curriculum to supplement practitioners’ knowledge is recommended. Conclusions: Various clinic models have been described to provide specialised psychodermatology care in specific settings. Research is needed to assess the impact of these multidisciplinary models of care on patient outcomes and health care costs.
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Affiliation(s)
- Stephanie Zhou
- Faculty of Medicine, University of Toronto, Toronto, ON, Canada
| | - Ilya Mukovozov
- Faculty of Medicine, University of Toronto, Toronto, ON, Canada
| | - An-Wen Chan
- Women’s College Research Institute, Women’s College Hospital, Toronto, ON, Canada
- Division of Dermatology, Department of Medicine, University of Toronto, Toronto, ON, Canada
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14
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Calzavara-Pinton P, Hædersdal M, Barber K, Basset-Seguin N, Del Pino Flores ME, Foley P, Galimberti G, Gerritsen R, Gilaberte Y, Ibbotson S, Peris K, Sapra S, Sotiriou E, Torezan L, Ulrich C, Guillemot J, Hendrich J, Szeimies RM. Structured Expert Consensus on Actinic Keratosis: Treatment Algorithm Focusing on Daylight PDT. J Cutan Med Surg 2017; 21:3S-16S. [PMID: 28406719 DOI: 10.1177/1203475417702994] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Background: A practical and up-to-date consensus among experts is paramount to further improve patient care in actinic keratosis (AK). Objectives: To develop a structured consensus statement on the diagnosis, classification, and practical management of AK based on up-to-date information. Methods: A systematic review of AK clinical guidelines was conducted. This informed the preparation of a 3-round Delphi procedure followed by a consensus meeting, which combined the opinions of 16 clinical experts from 13 countries, to construct a structured consensus statement and a treatment algorithm positioning daylight photodynamic therapy (dl-PDT) among other AK treatment options. Results: The systematic review found deficiencies in current guidelines with respect to new AK treatments such as ingenol mebutate and dl-PDT. The Delphi panel established consensus statements across definition, diagnosis, classification, and management of AK. While the diagnosis of AK essentially rests on the nature of lesions, treatment decisions are based on several clinical and nonclinical patient factors and diverse environmental attributes. Participants agreed on ranked treatment preferences for the management of AK and on classifying AK in 3 clinical situations: isolated AK lesions requiring lesion-directed treatment, multiple lesions within a small field, and multiple lesions within a large field, both requiring specific treatment approaches. Different AK treatment options were discussed for each clinical situation. Conclusions: The results provide practical recommendations for the treatment of AK, which are readily transferable to clinical practice, and incorporate the physician’s clinical judgement. The structured consensus statement positioned dl-PDT as a valuable option for patients with multiple AKs in small or large fields.
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Affiliation(s)
| | - Merete Hædersdal
- Department of Dermatology, Bispebjerg Hospital, University of Copenhagen, Copenhagen, Denmark
| | - Kirk Barber
- Departments of Medicine and Community Health Sciences, University of Calgary, Calgary, Alberta, Canada
| | - Nicole Basset-Seguin
- Department of Dermatology, Hospital Saint-Louis, Université Paris 7, Paris, France
| | | | - Peter Foley
- Department of Medicine (Dermatology), University of Melbourne; St Vincent’s Hospital Melbourne, Fitzroy, and Skin & Cancer Foundation, Carlton, Australia
| | - Gaston Galimberti
- Department of Dermatology, School of Medicine, Hospital Italiano, Buenos Aires, Argentina
| | - Rianne Gerritsen
- Department of Dermatology, Radboud University Medical Center, Nijmegen, The Netherlands
| | | | - Sally Ibbotson
- Photobiology Unit, Dermatology Department, University of Dundee, Ninewells Hospital & Medical School, Dundee, UK
| | - Ketty Peris
- Catholic University of Rome, Fondazione Policlinico Gemelli, Rome, Italy
| | - Sheetal Sapra
- Institute of Cosmetic and Laser Surgery, Oakville, Ontario, Canada
| | - Elena Sotiriou
- First Dermatology Department, Aristotle University, Thessaloniki, Greece
| | - Luis Torezan
- Hospital das Clinicas Faculdade de Medicina Universidade de São Paulo, São Paulo, Brazil
| | | | - Jonathan Guillemot
- Amaris, London, UK
- Universidad San Francisco de Quito USFQ, Escuela de Medicina, Quito, Ecuador
| | | | - Rolf-Markus Szeimies
- Department of Dermatology and Allergology, Vest Hospital, Academic Teaching Hospital University of Bochum, Recklinghausen, Germany
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15
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Wright CY, Albers PN, Reeder AI, Mathee A. Sunbeds and skin cancer risk: quantifying a baseline estimate of sunbed facilities in South Africa prior to implementation of sunbed regulations. Pan Afr Med J 2017; 26:188. [PMID: 28674581 PMCID: PMC5483372 DOI: 10.11604/pamj.2017.26.188.10176] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2016] [Accepted: 11/16/2016] [Indexed: 11/21/2022] Open
Abstract
Introduction In 2009, ultraviolet-emitting tanning devices, i.e. sunbeds and tanning booths, were officially classified as carcinogenic to human health (Group 1) by the International Agency for Research on Cancer. Methods Here, we aim to estimate South African-based facilities with indoor tanning services advertised in the printed Yellow Pages and online in two directories. Printed Yellow Pages telephone directory beauty salon facilities listings (2010-14) for all provinces were examined and those mentioning "sunbed" and/or "tanning bed" recorded. Beauty/spa facilities were also identified using two sunbed listing webpages. Results A total of 40 web-advertised facilities had a sunbed. Beauty facilities in the Yellow Pages specifically mentioning sunbeds declined by 62% between 2010 (n=53) and 2014 (n=20). Gauteng had the highest number of facilities (n=25) with a sunbed. Facilities with sunbeds exist in South Africa, as evidenced by the Yellow Pages and web-advertised data, but their true prevalence remains largely unknown. It is likely that online and walk-by advertising is increasingly more common than print. Conclusion Given that sunbeds may likely soon become regulated in South Africa, further research is needed to better quantify sunbed provision, determine advice provided by facility operators to new users, investigate whether age restrictions or limits exist for sunbed use, and describe typical patterns of sunbed use in South Africa.
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Affiliation(s)
- Caradee Yael Wright
- Environment and Health Research Unit, South African Medical Research Council, Pretoria, South Africa.,Department of Geography, Geo-informatics and Meteorology, University of Pretoria, Pretoria, South Africa
| | - Patricia Nicole Albers
- Environment and Health Research Unit, South African Medical Research Council, Pretoria, South Africa
| | - Anthony Ivor Reeder
- Cancer Society Social and Behavioural Research Unit, University of Otago, Dunedin School of Medicine, New Zealand
| | - Angela Mathee
- Environment and Health Research Unit, South African Medical Research Council, Pretoria, South Africa.,Faculty of Health Sciences, University of Johannesburg, South Africa
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Stevens J, Egger G. Technology-Induced Pathology. LIFESTYLE MEDICINE 2017. [DOI: 10.1016/b978-0-12-810401-9.00017-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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Dogan AS, Onder E, Arikok AT, Bicer T, Gurdal C. Claudin-1 expressions decrease in pterygium with respect to normal conjunctiva. Cutan Ocul Toxicol 2016; 35:315-8. [PMID: 26820697 DOI: 10.3109/15569527.2015.1124887] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
CONTEXT Pterygium is the fibrovascular growth of the limbal conjunctiva over cornea. This proliferative nature might have a pathogenesis associated with tight junction proteins. OBJECTIVE To investigate the tight junction protein claudin-1 expressions in pterygium with respect to normal conjunctiva. MATERIALS AND METHODS This retrospective study included 28 patients who underwent pterygium surgery with autograft. Claudin-1 expressions were immunohistochemically evaluated in normal and lesional conjunctiva of the same eye. Immunohistochemical evaluation was done with regard of both the intensity and the extent of staining. The distribution of the immunohistochemical scores in pterygium and normal conjunctiva has been compared with using McNemar test. RESULTS The mean age of the patients was 52.2 ± 11.2 years and male/female ratio was 8/20. Among 28 samples of normal conjunctiva 25 (89.2%) demonstrated a strong immunohistochemical expression with claudin-1 whereas this rate was 10.8% for pterygium samples. Statistical analysis revealed a significant decrease in claudin-1 expressions in pterygium with respect to normal conjunctiva (p < 0.001). DISCUSSION AND CONCLUSIONS The loss of claudin-1 appears to be involved in the pathogenesis of pterygium and the future studies will elucidate the exact role of tight junction proteins in the invasive and recurrent nature of pterygium.
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Affiliation(s)
| | - Evrim Onder
- b Department of Pathology , Ministry of Health, Diskapi Yildirim Beyazit Training and Research Hospital , Ankara , Turkey
| | - Ata Turker Arikok
- b Department of Pathology , Ministry of Health, Diskapi Yildirim Beyazit Training and Research Hospital , Ankara , Turkey
| | - Tolga Bicer
- a Department of Ophthalmology , Ministry of Health and
| | - Canan Gurdal
- a Department of Ophthalmology , Ministry of Health and
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Li N. Low Expression of Mir-137 Predicts Poor Prognosis in Cutaneous Melanoma Patients. Med Sci Monit 2016; 22:140-4. [PMID: 26763596 PMCID: PMC4716707 DOI: 10.12659/msm.895207] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2015] [Accepted: 07/21/2015] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND The present study aimed to measure miR-137 expression in patients with cutaneous melanoma (CM) and to estimate the correlation of miR-137 expression and the prognosis of CM patients. MATERIAL/METHODS The expression level of miR-137 was assayed by quantitative real-time PCR (qRT-PCR) and presented as mean ±SD. Chi-square was used to evaluate the relationship between miR-137 expression and clinical characteristics. We used a Kaplan-Meier survival curve to determine the overall survival rate of CM patients. Moreover, the correlation between miR-137 expression and the prognosis of CM patients was confirmed by Cox regression analysis. RESULTS The relative expression of miR-137 in CM tissue was 1.59±0.43, while that in paired normal tissue was 2.41±0.54, which was significantly higher. Chi-square analysis showed statistical significance between miR-137 expression and clinical characteristics such as TNM stage, ulcer, and occurrence site (P<0.05). However, no association was found between miR-137 expression and age, sex, or family history (P>0.05). According to the survival curve outcome, patients with low miR-137 expression showed relatively higher mortality (P=0.000) and multivariate analysis verified that low expression of miR-137 predicted poor prognosis of CM patients (HR=8.531, 95% CI=2.950-24.668, P=0.000). CONCLUSIONS Compared with paired normal tissues, miR-137 expression was lower in CM tissues. Patients with low miR-137 expression had higher mortality than those with high miR-137 expression, suggesting that low miR-137 expression indicated poor prognosis for CM patients.
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Affiliation(s)
- Nan Li
- Corresponding Author: Nan Li, e-mail:
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