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https://www.readbyqxmd.com/read/29895458/application-of-mesocellular-siliceous-foams-mcf-for-surface-assisted-laser-desorption-ionization-mass-spectrometry-saldi-ms-analysis-of-fingermarks
#1
R M Barros, M C H Clemente, G A V Martins, L P Silva
Recent advances in nanotechnology applied in forensic sciences have contributed to consider new approaches including chemical evaluation of latent fingermarks. Significant improvement to the detection of small organic molecules has been reached with matrix-free methods associated to laser desorption/ionization mass spectrometry. The present study investigated the application of mesocellular siliceous foam (MCF) as an ionizing agent for laser desorption/ionization (LDI-MS) analysis of fingermarks as a proof of concept research...
July 2018: Science & Justice: Journal of the Forensic Science Society
https://www.readbyqxmd.com/read/29895347/identification-of-lysinibacillus-fusiformis-isolated-from-cosmetic-samples-using-maldi-tof-ms-and-16s-rrna-sequencing-methods
#2
Irshad M Sulaiman, Ying-Hsin Hsieh, Emily Jacobs, Nancy Miranda, Steven Simpson, Khalil Kerdahi
Background: Lysinibacillus fusiformis is a Gram-positive, rod-shaped bacterium that can cause tropical ulcers, severe sepsis, and respiratory illnesses in humans. Objective: In this study, we analyzed cosmetic samples for the presence of human pathogenic microorganisms. Methods: Five unopened jars of exfoliating cream were examined initially by microbiological methods. Afterward, matrix-assisted laser desorption ionization-time-of-flight (MALDI-TOF) MS and 16S ribosomal RNA (rRNA) sequencing techniques were applied to characterize the recovered isolates...
June 12, 2018: Journal of AOAC International
https://www.readbyqxmd.com/read/29894434/treatment-of-cosmetic-tattoos-a-review-and-case-analysis
#3
Bridget E McIlwee, Tina S Alster
BACKGROUND: Cosmetic tattoos such as eyeliner, brow liner, and lip liner have become increasingly popular in the United States and throughout the world. For a variety of reasons, patients frequently regret their tattoos and request their removal; however, removal is often complicated by the aesthetically sensitive location of these specialized tattoos and the fact that they often contain white metallic compounds that darken on pigment-specific laser irradiation. OBJECTIVE: To review the clinical use, effectiveness, and safety of an ablative laser technique for cosmetic tattoos...
June 8, 2018: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
https://www.readbyqxmd.com/read/29799979/assessment-of-frontalis-myocutaneous-transposition-flap-for-forehead-reconstruction-after-mohs-surgery
#4
Alejandra Tomás-Velázquez, Pedro Redondo
Importance: Forehead reconstruction after Mohs surgery has become a challenge for dermatology surgeons, and achieving an excellent cosmetic and functional result is imperative in this location. Objective: To highlight the utility of a frontalis myocutaneous transposition flap (FMTF) for forehead reconstruction after Mohs surgery. Design, Setting, and Participants: Surgical technique case series including 12 patients with large forehead defects recruited between January 2010 and June 2017 at the Dermatology Department of the University Clinic of Navarra, Spain...
May 16, 2018: JAMA Dermatology
https://www.readbyqxmd.com/read/29799583/treatment-of-burn-scars-in-fitzpatrick-phototype-iii-patients-with-a-combination-of-pulsed-dye-laser-and-non-ablative-fractional-resurfacing-1550-nm-erbium-glass-1927-nm-thulium-laser-devices
#5
Joy Tao, Amanda Champlain, Charles Weddington, Lauren Moy, Rebecca Tung
Introduction: Burn scars cause cosmetic disfigurement and psychosocial distress. We present two Fitzpatrick phototype (FP) III patients with burn scars successfully treated with combination pulsed dye laser (PDL) and non-ablative fractional lasers (NAFL). Case 1: A 30-year-old, FP III woman with a history of a second-degree burn injury to the bilateral arms and legs affecting 30% body surface area (BSA) presented for cosmetic treatment. The patient received three treatments with 595 nm PDL (7 mm, 8 J, 6 ms), six with the 1550 nm erbium:glass laser (30 mJ, 14% density, 4-8 passes) and five with the 1927 nm thulium laser (10 mJ, 30% density, 4-8 passes)...
January 2018: Scars, burns & healing
https://www.readbyqxmd.com/read/29782304/role-of-in-vivo-reflectance-confocal-microscopy-in-the-analysis-of-melanocytic-lesions
#6
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/29768073/an-open-label-non-randomized-prospective-pilot-study-of-the-efficacy-of-q-switched-nd-yag-laser-in-management-of-facial-lichen-planus-pigmentosus
#7
Dr Swapnil Deepak Shah, Dr Sanjeev Aurangabadkar, Dr Balkrishna Nikam
Lichen planus pigmentosus (LPP) is a cosmetically disfiguring condition. Many treatment options are available which are effective in halting the progression of the disease. The treatment of persistent pigmentation is still a challenge. We describe the use of Q-switched Nd-YAG laser in 13 patients with stable LPP using a standard protocol. Most of our patients showed complete to near-complete resolution of pigment without much complications.
May 16, 2018: Journal of Cosmetic and Laser Therapy: Official Publication of the European Society for Laser Dermatology
https://www.readbyqxmd.com/read/29763486/update-on-noninvasive-body-contouring-techniques
#8
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/29757022/clinical-outcome-of-1064-nm-picosecond-neodymium-doped-yttrium-aluminium-garnet-laser-for-the-treatment-of-hypertrophic-scars
#9
Young-Jun Choi, Jung Yup Kim, Jae-Hui Nam, Ga-Young Lee, Won-Serk Kim
BACKGROUND: Currently no study has evaluated the effect of the novel 1064-nm picosecond neodymium-doped:yttrium aluminium garnet laser (ps-Nd:YAG) for reducing Hypertrophic scarring (HS). OBJECTIVE: The aim of this study was to verify the efficacy and safety of a 1064-nm ps-Nd:YAG in the management of HS. MATERIALS AND METHODS: A retrospective chart review and photographic analysis were conducted on patients treated with a low-fluence 1064-nm ps-Nd:YAG for HS improvement...
May 14, 2018: Journal of Cosmetic and Laser Therapy: Official Publication of the European Society for Laser Dermatology
https://www.readbyqxmd.com/read/29747691/benign-thyroid-nodule-unresponsive-to-radiofrequency-ablation-treated-with-laser-ablation-a-case-report
#10
Silvia Oddo, Margherita Balestra, Lara Vera, Massimo Giusti
BACKGROUND: Radiofrequency ablation and laser ablation are safe and effective techniques for reducing thyroid nodule volume, neck symptoms, and cosmetic complaints. Therapeutic success is defined as a nodule reduction > 50% between 6 and 12 months after the procedure, but a percentage of nodules inexplicably do not respond to thermal ablation. CASE PRESENTATION: We describe the case of a young Caucasian woman with a solid benign thyroid nodule who refused surgery and who had undergone radiofrequency ablation in 2013...
May 11, 2018: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/29731585/xanthelasma-an-update-on-treatment-modalities
#11
REVIEW
Zainab Laftah, Firas Al-Niaimi
Xanthelasmas are localized accumulation of lipid deposits on the eyelids. Lesions are typically asymptomatic and treatment is often sought for cosmetic purposes. Unfortunately, there is paucity of strong evidence in the literature for the effective treatment of normolipidemic xanthelasmas. A literature search using the term "xanthelasma" was carried out in PubMed and Medline databases. Only articles related to treatment were considered and analyzed for their data. Commonly cited treatments include topical trichloroacetic acid, liquid nitrogen cryotherapy, and various lasers including carbon dioxide, Er:YAG, Q-switched Nd:YAG, and pulse dye laser...
January 2018: Journal of Cutaneous and Aesthetic Surgery
https://www.readbyqxmd.com/read/29726735/therapeutic-strategies-for-pigmented-purpuric-dermatoses-a-systematic-literature-review
#12
Kerasia-Maria Plachouri, Vaia Florou, Sophia Georgiou
Background of the article: Pigmented purpuric dermatoses (PPDs) is a group of diseases with distinguishing clinical characteristics, characterized mainly by purpuric skin lesions. The course of PPDs is chronic and recurrences are common. Although PPDs are considered to be benign, the associated symptoms, such as pruritus, and their cosmetic effect can be extremely distressing to patients. So far no evidence-based treatment has been found to be drastically effective in a large scale of patients. MATERIALS AND METHODS: This paper is a systematic overview of all the reported successful treatments described in the literature...
May 4, 2018: Journal of Dermatological Treatment
https://www.readbyqxmd.com/read/29726114/high-fluence-1064-nm-q-switched-nd-yag-laser-safe-and-effective-treatment-of-caf%C3%A3-au-lait-macules-in-asian-patients
#13
Jin Ok Baek, Il-Joong Park, Kyung Real Lee, Ha Ryeong Ryu, Jeongsoo Kim, Seulki Lee, Yu Ri Kim, Hoon Hur
OBJECTIVES: Café-au-lait macules (CALMs) are benign cutaneous hyperpigmentary disorders. Usually, laser therapies for cosmetic concerns result in more severe side effects in the people of Asian descent than that of Caucasians. Unfortunately, there is no gold standard for the laser treatment of CALMs in skin of people of Asian descent. To investigate the efficacy and safety of a high-fluence 1064-nm Q-switched neodymium-doped yttrium aluminum garnet (Nd:YAG) laser treatment of CALMs in Asian patients...
May 3, 2018: Journal of Cosmetic Dermatology
https://www.readbyqxmd.com/read/29718376/assessment-of-ablative-fractional-co2-laser-and-er-yag-laser-to-treat-hypertrophic-scars-in-a-red-duroc-pig-model
#14
Luis Rodriguez-Menocal, Stephen S Davis, Sandra Becerra, Marcela Salgado, Joel Gill, Jose Valdes, Ambar Candanedo, Shanmugasundaram Natesan, Michael Solis, Wellington Guzman, Alex Higa, Carl I Schulman, Robert J Christy, Jill Waibel, Evangelos V Badiavas
Hypertrophic scarring is a fibroproliferative process that occurs following a third-degree dermal burn injury, producing significant morbidity due to persistent pain, itching, cosmetic disfigurement, and loss of function due to contractures. Ablative fractional lasers have emerged clinically as a fundamental or standard therapeutic modality for hypertrophic burn scars. Yet the examination of their histopathological and biochemical mechanisms of tissue remodeling and comparison among different laser types has been lacking...
April 28, 2018: Journal of Burn Care & Research: Official Publication of the American Burn Association
https://www.readbyqxmd.com/read/29688698/direct-laser-writing-of-nanophotonic-structures-on-contact-lenses
#15
Bader AlQattan, Ali K Yetisen, Haider Butt
Contact lenses are ubiquitous biomedical devices used for vision correction and cosmetic purposes. Their application as quantitative analytical devices is highly promising for point-of-care diagnostics. However, it is a challenge to integrate nanoscale features into commercial contact lenses for application in low-cost biosensors. A neodymium-doped yttrium aluminum garnet (Nd:YAG) laser (1064 nm, 3 ns pulse, 240 mJ) in holographic interference patterning mode was utilized to produce optical nanostructures over the surface of a hydrogel contact lens...
April 24, 2018: ACS Nano
https://www.readbyqxmd.com/read/29674482/bleomycin-sclerotherapy-for-eyelid-venous-malformations-as-an-alternative-to-surgery-or-laser-therapy
#16
Tomoyoshi Shigematsu, Michelle Sorscher, Evelyn C Dier, Alejandro Berenstein
PURPOSE: To evaluate the clinical outcome of patients with venous malformation (VM) involving the eyelid treated with bleomycin sclerotherapy. METHODS: A retrospective review was performed of 18 consecutive patients with VM involving the eyelid who underwent bleomycin sclerotherapy. Patients' clinical presentation, details of sclerotherapy, and post-sclerotherapy resolution of the lesion as well as any procedure-related complications were evaluated. RESULTS: Twelve women and six men of mean age 34...
April 19, 2018: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/29630163/a-report-and-follow-up-of-a-patient-with-disseminated-superficial-actinic-porokeratosis-dsap-undergoing-novel-systemic-treatment-with-palifermin-a-keratinocyte-growth-factor-during-chemotherapy
#17
Matthew Howard, Anthony Hall
Disseminated superficial actinic porokeratosis (DSAP) is an inherited dermatosis triggered by chronic ultraviolet light exposure. Cosmetic improvement has been noted with topical therapies or laser treatment. Lesions of DSAP are precancerous, having been reported to develop into squamous cell carcinomas (SCCs) or basal cell carcinomas (BCCs) occasionally. We describe a patient with longstanding DSAP who developed a primary CNS lymphoma. Palifermin (a keratinocyte growth factor analogue) was used as an adjuvant for his chemotherapy to minimize mucositis...
February 15, 2018: Dermatology Online Journal
https://www.readbyqxmd.com/read/29607622/ischemic-oculomotor-nerve-palsy-due-to-hyaluronic-acid-filler-injection
#18
In Ho Bae, Min Sung Kim, Hoon Choi, Chan Ho Na, Bong Seok Shin
Hyaluronic acid (HA) is the most popular agent today for intradermal injections to improve wrinkles and other cosmetic defects. Ischemic necrosis due to injection of HA is one of the serious complications. Because there are many vascular branches around the nose, caution and care should be given during facial filler injection. Although the incidence is rare, blindness and permanent visual loss may occur. We describe a 29-year-old woman presented with painful erythematous swelling with violaceous patch on right periocular area and glabella after HA filler injection...
April 1, 2018: Journal of Cosmetic Dermatology
https://www.readbyqxmd.com/read/29607000/basaloid-follicular-hamartoma-a-case-report-and-a-novel-cosmetic-treatment
#19
Kelly Segars, Hassie Cooper, Daniel J Hogan, Richard Miller, Michael Heaphy, James Spencer
Introduction: Basaloid follicular hamartoma (BFH) is a rare, benign neoplasm of the hair follicle, characterized by multiple brown papules involving the face, scalp, and trunk. It is described by multiple clinical forms, and can present as localized or generalized. Diagnosis is made histologically via biopsy, which is important in order to distinguish BFH from basal cell carcinoma (BCC) or other malignant epithelial neoplasms. Correct diagnosis allows for the avoidance of unnecessary surgeries to remove benign lesions...
March 2018: Journal of Clinical and Aesthetic Dermatology
https://www.readbyqxmd.com/read/29602604/hair-sparing-does-not-compromise-real-time-magnetic-resonance-imaging-guided-stereotactic-laser-fiber-placement-for-temporal-lobe-epilepsy
#20
Shikha Singh, Kevin K Kumar, Matthew J Rabon, Dana Dolce, Casey H Halpern
Pre-operative scalp shaving is conventionally thought to simplify postoperative cranial wound care, lower the rate of wound infections, and ease optimal incision localization. Over the past few decades, some neurosurgeons have refrained from scalp shaving in order to improve patient satisfaction with brain surgery. However, this hair-sparing approach has not yet been explored in the growing field of magnetic resonance-guided laser interstitial thermal therapy (MRgLITT). This study investigated the initial impact of a no-shave technique on post-operative wound infection rate as well as on entry and target accuracy in MRgLITT for mesial temporal epilepsy...
June 2018: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
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