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Lasers in dermatology

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https://www.readbyqxmd.com/read/29782309/in-memoriam-assistant-professor-kre%C3%A5-imir-kostovi%C3%A4-md-phd-16-october-1969-15-october-2017
#1
Branka Marinović
On a Sunday afternoon almost six months ago, we were deeply moved by the news that our Krešimir is no longer with us. The sad news spread from Sarajevo with the speed only most horrible and saddest news can achieve. And everybody who was reached by these news wondered whether it was possible and whether it was true. Because our professor Kostović left us a day before his 48th birthday. Krešimir Kostović was born on the 16th October 1969 in Zagreb, where he completed primary and secondary education. He enrolled at the University of Zagreb School of Medicine in 1988, and got his medical degree in 1995...
April 2018: Acta Dermatovenerologica Croatica: ADC
https://www.readbyqxmd.com/read/29782307/cutaneous-manifestations-of-tuberous-sclerosis
#2
Mirjana Bakić, Marina Ratković, Branka Gledović, Balsa Vujović, Danilo Radunović, Vera Babić, Vladimir Prelević
Dear Editor, Tuberous sclerosis (TS) is an autosomal dominant multisystem disease, which occurs due to genetically determined hyperplasia of ectodermal and mesodermal cells. Clinical manifestations present on the skin and in the nervous system, kidneys, heart, and other organs. Recent studies estimate the incidence of TS at 1/6000 to 1/10,000 live births, and a prevalence in the general population of approximately 1 in 20,000 (1). There are two different genetic loci responsible for TS: 9q34 (TSC1-hamartin) and 16p13...
April 2018: Acta Dermatovenerologica Croatica: ADC
https://www.readbyqxmd.com/read/29782304/role-of-in-vivo-reflectance-confocal-microscopy-in-the-analysis-of-melanocytic-lesions
#3
Elena-Daniela Serban, Francesca Farnetani, Giovanni Pellacani, Maria Magdalena Constantin
Worldwide melanoma incidence and mortality are increasing (1). Despite the ongoing research, advanced melanoma is still incurable; therefore, the most appropriate solution seems to be early detection combined with complete surgical excision (2). Since the diagnostic protocol of suspicious lesions includes a complete excision with safety margins (2), the problem of unnecessary scarring is significant. The real challenge in this case is to have a properly formulated diagnosis before acquiring a biopsy. Currently available non-invasive techniques are coherence tomography, digital dermoscopy, and reflectance confocal microscopy...
April 2018: Acta Dermatovenerologica Croatica: ADC
https://www.readbyqxmd.com/read/29774372/-optical-coherence-tomography-for-skin-pathologies
#4
REVIEW
J Welzel, S Schuh
Optical coherence tomography (OCT) has become established in routine diagnosis in dermatology only in the last few years. The reason is that the skin is a challenge for OCT as a strong scattering medium, because only a very small proportion of photons is reflected and can be used for imaging. In addition, in most cases a visual assessment or a biopsy is sufficient. Nevertheless, the main field of application in dermatology is the diagnostics of epithelial skin tumors. The OCT is suitable for the early recognition of small, clinically and light microscopically unspecific basal cell carcinomas as well as for the differential diagnosis of other tumors and precancerous lesions...
May 17, 2018: Der Ophthalmologe: Zeitschrift der Deutschen Ophthalmologischen Gesellschaft
https://www.readbyqxmd.com/read/29763486/update-on-noninvasive-body-contouring-techniques
#5
Alexandra K Rzepecki, Aaron S Farberg, Peter W Hashim, Gary Goldenberg
Noninvasive body contouring is the fastest growing area of cosmetic dermatology. It entails the use of specific technology to optimize the definition, smoothness, and shape of the human body in a safe and effective manner. There are currently 4 leading modalities used for noninvasive body contouring: cryolipolysis, radiofrequency, high-intensity focused ultrasound, and laser therapy. This article provides an overview of each modality.
April 2018: Cutis; Cutaneous Medicine for the Practitioner
https://www.readbyqxmd.com/read/29737215/needle-free-cutaneous-delivery-of-living-human-cells-by-er-yag-fractional-laser-ablation
#6
Jing Yu, Sachin Dubey, Yogeshvar N Kalia
BACKGROUND: Dermatological diseases, including most skin cancers and rare genetic conditions frequently originate in the epidermis. Targeted, topical cell-based therapy is a promising therapeutic strategy. Here, we present the first report demonstrating that fractional laser ablation enables local "needle-free" intraepidermal delivery of living human cells. METHODS: The cells penetrated porcine ear skin via microchannels created by Er:YAG fractional laser ablation; cell delivery was quantified using a haemocytometer...
May 8, 2018: Expert Opinion on Drug Delivery
https://www.readbyqxmd.com/read/29722425/comparative-study-of-the-bactericidal-effects-of-indocyanine-green-and-methyl-aminolevulinate-based-photodynamic-therapy-on-propionibacterium-acnes-as-a-new-treatment-for-acne
#7
Seung-Hwan Choi, Jeong-Wan Seo, Ki-Ho Kim
Acne vulgaris is one of the most common dermatological problems, and its therapeutic options include topical and systemic retinoids and antibiotics. However, increase in problems associated with acne treatment, such as side-effects from conventional agents and bacterial resistance to antibiotics, has led to greater use of photodynamic therapy. The purpose of this study was to compare the bactericidal effects of indocyanine green- and methyl aminolevulinate-based photodynamic therapy on Propionibacterium acnes...
May 3, 2018: Journal of Dermatology
https://www.readbyqxmd.com/read/29722183/near-infrared-low-level-laser-therapy-and-cell-proliferation-the-emerging-role-of-redox-sensitive-signal-transduction-pathways
#8
REVIEW
Mario Migliario, Maurizio Sabbatini, Carmen Mortellaro, Filippo Renò
Lasers devices are widely used in various medical fields (e.g. surgery, dermatology, dentistry, rehabilitative medicine, etc) for different applications, ranging from surgical ablation of tissues to biostimulation and pain relief. Laser is an electromagnetic radiation which effects on biological tissues strongly depends on a number of physical parameters. Laser wavelength, energy output, irradiation time and modality, temperature and tissue penetration properties have to be set up according to the clinical target tissue and the desired effect...
May 2, 2018: Journal of Biophotonics
https://www.readbyqxmd.com/read/29713841/comparative-study-using-fractional-carbon-dioxide-laser-versus-glycolic-acid-peel-in-treatment-of-pseudo-acanthosis-nigricans
#9
N S Zaki, R F Hilal, R M Essam
Pseudo-acanthosis nigricans is a common dermatological disorder that is usually difficult to treat secondary to maceration of the skin from excessive sweating, obesity, or associated with endocrine disorders. Fractional photothermolysis and chemical peeling have been reported to improve the condition. To determine whether fractional CO2 laser resurfacing or glycolic acid peel is more effective and safe option for therapy. Twenty Egyptian patients were included in the study where each patient was subjected to three sessions of both fractional CO2 on the right side of the neck and glycolic acid peel 70% on the left side of the neck...
April 30, 2018: Lasers in Medical Science
https://www.readbyqxmd.com/read/29701620/use-of-nitrous-oxide-in-dermatology-a-systematic-review
#10
Erica A Brotzman, Laura F Sandoval, Jonathan Crane
BACKGROUND: Many dermatologic procedures are painful and can be distressing to patients. OBJECTIVE: To determine whether nitrous oxide has been used in dermatology and whether literature supports its use in terms of providing analgesia and anxiety associated with dermatologic procedures. METHODS: A search of PubMed and Cochrane databases was conducted through July 15, 2016, to identify studies involving nitrous oxide use in dermatology. RESULTS: Eight studies were identified and reviewed...
May 2018: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
https://www.readbyqxmd.com/read/29667728/comparison-of-10-efficient-protocols-for-photodynamic-therapy-of-actinic-keratosis-how-relevant-are-effective-light-dose-and-local-damage-in-predicting-the-complete-response-rate-at-3-months
#11
Anne-Sophie Vignion-Dewalle, Gregory Baert, Elise Thecua, Fabienne Lecomte, Claire Vicentini, Henry Abi-Rached, Laurent Mortier, Serge Mordon
BACKGROUND: Topical photodynamic therapy is an established treatment modality for various dermatological conditions, including actinic keratosis. In Europe, the approved protocols for photodynamic therapy of actinic keratosis involve irradiation with either an Aktilite CL 128 lamp or daylight, whereas irradiation with the Blu-U illuminator is approved in the United States. Many other protocols using irradiation by a variety of light sources are also clinically efficient. OBJECTIVES: This paper aims to compare 10 different protocols with clinically proven efficacy for photodynamic therapy of actinic keratosis and the available spectral irradiance of the light source...
April 18, 2018: Lasers in Surgery and Medicine
https://www.readbyqxmd.com/read/29603761/an-experimental-investigation-of-a-novel-iron-chelating-protoporphyrin-ix-prodrug-for-the-enhancement-of-photodynamic-therapy
#12
Lizette Anayo, Anette Magnussen, Alexis Perry, Mark Wood, Alison Curnow
OBJECTIVES: Non-melanoma skin cancers are the most frequently occurring type of cancer worldwide. They can be effectively treated using topical dermatological photodynamic therapy (PDT) employing protoporphyrin IX (PpIX) as the active photosensitising agent as long as the disease remains superficial. Novel iron chelating agents are being investigated to enhance the effectiveness and extend the applications of this treatment modality, as limiting free iron increases the accumulation of PpIX available for light activation and thus cell kill...
March 31, 2018: Lasers in Surgery and Medicine
https://www.readbyqxmd.com/read/29603108/should-open-excisions-and-sutured-incisions-be-treated-differently-a-review-and-meta-analysis-of-animal-wound-models-following-low-level-laser-therapy
#13
Peter Gál, Martin Bjørn Stausholm, Ivan Kováč, Erik Dosedla, Ján Luczy, František Sabol, Jan Magnus Bjordal
Although low-level laser therapy (LLLT) was discovered already in the 1960s of the twentieth century, it took almost 40 years to be widely used in clinical dermatology/surgery. It has been demonstrated that LLLT is able to increase collagen production/wound stiffness and/or improve wound contraction. In this review, we investigated whether open and sutured wounds should be treated with different LLLT parameters. A PubMed search was performed to identify controlled studies with LLLT applied to wounded animals (sutured incisions-tensile strength measurement and open excisions-area measurement)...
March 30, 2018: Lasers in Medical Science
https://www.readbyqxmd.com/read/29601618/the-use-of-a-self-occluding-topical-anasthetic-in-daily-practice-a-non-interventional-study
#14
Ravi Jain, Gerardo Moreno Arias, Pablo Naranjo, Max Murison, Jose Luis López Estebaranz, Alina Fratila, Welf Prager, Carlos Guillén Barona, Michael Weidmann, Serge Dahan, Hugues Cartier, Gerhard Sattler, Maurizio Podda
INTRODUCTION: A variety of topical anesthetic creams are available to reduce pain associated with dermatological procedures. Pliaglis is a self-occluding eutectic mixture of lidocaine and tetracaine. STUDY OBJECTIVES: To evaluate the post-marketing safety profile of Pliaglis and efficacy in terms of pain reduction, product satisfaction, and daily practice use prior to pre-defined dermatological procedures. METHODS: A prospective, non-interventional study conducted at 44 sites in four European countries; 581 patients were treated prior to dermatological procedures such as pulsed-dye laser therapy, laser-assisted hair removal, non-ablative laser resurfacing, dermal filler injections, and vascular access...
April 1, 2018: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/29537445/intralesional-and-laser-assisted-5-fluorouracil-in-dermatologic-disease-a-systematic-review
#15
Garrett T Prince, Michael C Cameron, Ramin Fathi, Theodore Alkousakis
INTRODUCTION: 5-fluorouracil has proven to be an effective therapy in the treatment of a variety of dermatologic conditions. Approved by the United States Food and Drug Administration for the topical treatment of actinic keratoses and superficial basal cell carcinoma, 5-fluorouracil has also demonstrated efficacy in the treatment of a variety of other dermatologic diseases. While best known for its use as a topical medication, 5-fluorouracil can also be delivered intralesionally for the treatment of dermatologic disease...
March 1, 2018: Journal of Drugs in Dermatology: JDD
https://www.readbyqxmd.com/read/29521541/a-retrospective-analysis-of-the-clinical-efficacies-and-recurrence-of-q-switched-nd-yag-laser-treatment-of-nevus-of-ota-in-224-chinese-patients
#16
Yan Liu, Weihui Zeng, Di Li, Weihua Wang, Feng Liu
BACKGROUND: Nevus of Ota can be treated successfully using the Q-switched (QS) laser; but few studies are long-term retrospective of the efficacy and influencing factor, studies on the recurrence is even less. PURPOSE: Retrospective analysis of the clinical characteristics and recurrence of QS Nd:YAG laser treatment of nevus of Ota in 224 Chinese patients at Laser Cosmetology Center of Department of Dermatology, the Second Hospital, Xi'an Jiaotong University. METHODS: The data of 224 patients with nevus of Ota were analyzed retrospectively, which included the correlation among lesion color, treatment sessions, gender, age, lesion types and effect, and all patients were followed up for 2-10 years...
March 9, 2018: Journal of Cosmetic and Laser Therapy: Official Publication of the European Society for Laser Dermatology
https://www.readbyqxmd.com/read/29508001/matrix-assisted-laser-desorption-ionisation-time-of-flight-maldi-tof-mass-spectrometry-in-dermatology
#17
David Chandler, Roderick J Hay
No abstract text is available yet for this article.
March 13, 2018: Acta Dermato-venereologica
https://www.readbyqxmd.com/read/29461128/ocular-complications-after-cosmetic-periocular-diode-laser-application-to-the-eyelids
#18
Duygu Gulmez Sevim, Ayse Ozturk Oner, Metin Unlu, Galip Ertugrul Mirza
A 25-year-old woman underwent diode laser application on the both upper eyelids in the dermatology department of a private hospital to obtain a cosmetic healing of the reddish look on her eyelids without any protective lenses. The patient experienced severe uveitis, atonic pupils, raised intraocular pressure, and increased sensitivity to light in her eyes on the following day of the procedure. Topical steroids and pressure-lowering agents were able to treat the acute uveitis and glaucoma, unfortunately the patient suffered from irreversible atonic and atrophic pupils and photosensitivity...
February 20, 2018: Journal of Cosmetic and Laser Therapy: Official Publication of the European Society for Laser Dermatology
https://www.readbyqxmd.com/read/29448838/novel-methotrexate-soft-nanocarrier-fractional-erbium-yag-laser-combination-for-clinical-treatment-of-plaque-psoriasis
#19
Shahenda A Ramez, Mona M Soliman, Maha Fadel, Faisal Nour El-Deen, Maha Nasr, Eman R Youness, Dalea M Aboel-Fadl
Psoriasis is a commonly encountered chronic dermatological disease, presenting with inflammatory symptoms in patients. Systemic treatment of psoriasis is associated with several adverse effects, therefore the development of a customized topical treatment modality for psoriasis would be an interesting alternative to systemic delivery. The therapeutic modality explored in this article was the comparative treatment of psoriatic patients using nanoparticulated methotrexate in the form of jojoba oil-based microemulsion with or without fractional erbium YAG laser...
February 15, 2018: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/29434427/picosecond-laser-treatment-for-tattoos-and-benign-cutaneous-pigmented-lesions-secondary-publication
#20
REVIEW
Kenichiro Kasai
Background and aims: The selective removal of tattoos and benign cutaneous pigmented lesions with laser energy evolved rapidly with the development of the nanosecond-domain Q-switched laser (ns-laser). Recently, however, a series of picosecond-domain lasers (ps-lasers) with pulsewidths less than 1 ns has become commercially available, enabling more efficient and faster removal of pigmented lesions in the field of dermatologic laser surgery. Rationale behind the ps-laser: The efficacy of the ns-laser depended on the theory of selective photothermolysis, whereby an extremely short pulse width was delivered less than the thermal relaxation time (TRT) of a target...
December 31, 2017: Laser Therapy
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