keyword
https://read.qxmd.com/read/33668564/a-randomized-controlled-trial-on-the-effectiveness-of-epidermal-growth-factor-containing-ointment-on-the-treatment-of-solar-lentigines-as-adjuvant-therapy
#21
RANDOMIZED CONTROLLED TRIAL
Hye One Kim, Hye Ran Kim, Jin Cheol Kim, Seok Young Kang, Min Je Jung, Sung Eun Chang, Chun Wook Park, Bo Young Chung
Background and Objective : Little is known about the anti-pigmentation effects of whitening agents on solar lentigines. Epidermal growth factor (EGF) has been used as a booster for wound healing in the skin, and it has been suggested to have anti-pigmentation effects. This study aimed to evaluate the effect and safety of EGF-containing ointment for treating solar lentigines with a Q-switched (QS) 532 nm neodymium-doped yttrium aluminum garnet (Nd:YAG) laser (Bluecore company, Seoul, Republic of Korea). Materials and Methods : Subjects who underwent QS 532 nm Nd:YAG laser treatment of solar lentigines were randomly assigned to treatment with an EGF ointment or petrolatum...
February 13, 2021: Medicina
https://read.qxmd.com/read/33550634/comparison-between-the-use-of-intense-pulsed-light-and-q-switched-neodymium-doped-yttrium-aluminum-garnet-laser-for-the-treatment-of-axillary-hyperpigmentation
#22
JOURNAL ARTICLE
Watinee Amornpetkul, Silada Kanokrungsri, Nanticha Kamanamool, Montree Udompataikul, Salinee Rojhirunsakool
BACKGROUND: Axillary hyperpigmentation (AH) is a condition in which axillary skin is darker than the adjacent areas. To date, there is no standard treatment for AH. The Q-switched neodymium-doped yttrium aluminum garnet 1064-nm(QS) laser and intense pulsed light (IPL) are two effective modalities for the treatment of pigmentary disorders; however, the efficacy and safety levels of both treatments for AH have not yet been compared in a controlled study. OBJECTIVES: To evaluate and compare the efficacy and safety of the QS laser and IPL in the treatment of AH...
February 7, 2021: Journal of Cosmetic Dermatology
https://read.qxmd.com/read/33442853/comparison-of-the-efficacy-and-safety-between-a-low-fluence-1064-nm-q-switched-neodymium-doped-yttrium-aluminum-garnet-laser-and-a-conventional-q-switched-532-nm-laser-for-the-treatment-of-cafe-au-lait-macules-in-40-chinese-children-a-prospective-randomized
#23
RANDOMIZED CONTROLLED TRIAL
Yin Zhuang, Minghuan Huang, Jinwen Shen, Lei Wang, Liping Yang, Aifang Jiang, Zhirong Yao, Xia Yu
Cafe-au-lait macules (CALMs) affect the appearance of patients and can result in serious psychological problems. Successful treatments without adverse effects remain challenging. We designed a prospective, randomized, controlled, evaluator-blinded trial on 40 pediatric patients to compare the efficacy between a low-fluence 1064-nm Q-switched Nd:YAG laser and a Q-switched Nd:YAG 532-nm laser for the treatment of solitary CALMs in children. We randomly assigned participants into 2 groups. We treated those in the first group with 3 sessions of 532-nm QS laser at 1-month intervals, and those in the second group with 6 sessions of 1064-nm LFQS laser at 2-week intervals...
February 2022: Lasers in Medical Science
https://read.qxmd.com/read/33259661/non-ablative-1927-nm-fractional-thulium-fiber-laser-new-promising-treatment-modality-for-riehl-s-melanosis
#24
JOURNAL ARTICLE
Su Min Kim, Shinwon Hwang, Abdurrahman Almurayshid, Min-Young Park, Sang Ho Oh
BACKGROUND AND OBJECTIVES: The treatment of Riehl's melanosis, also known as pigmented contact dermatitis, is highly challenging. Intense pulsed light (IPL) and 1064 nm Q-switched Nd:Yag (QS-Nd:YAG) laser are reported to have some efficacy. However, no single effective treatment has yet been identified. In this study, we demonstrated the efficacy and safety of the non-ablative 1927 nm fractional thulium fiber laser (TFL, LASEMD™; Lutronic Corp., Goyang, Korea) for patients with Riehl's melanosis...
July 2021: Lasers in Surgery and Medicine
https://read.qxmd.com/read/32896932/comparative-effectiveness-of-755-nm-picosecond-laser-755-and-532-nm-nanosecond-lasers-for-treatment-of-caf%C3%A3-au-lait-macules-calms-a-randomized-split-lesion-clinical-trial
#25
RANDOMIZED CONTROLLED TRIAL
Qingqing Cen, Yifei Gu, Lan Luo, Ying Shang, Yamin Rao, Jiafang Zhu, Yue Han, Wenxin Yu, Ying Liu, Xianglei Wu, Hanru Ying, Gang Ma, Xiaoxi Lin
BACKGROUND AND OBJECTIVES: Many types of lasers have been used to treat café-au-lait macules (CALMs) since the introduction of the selective photothermolysis theory. However, the efficacy and safety of picosecond lasers, compared with those of nanosecond lasers, have not been researched. To compare the efficacy and safety of 755 nm picosecond laser (PS-755 nm), Q-switched (QS) Alexandrite 755 nm nanosecond laser (QS-755 nm), and QS Nd:YAG 532 nm nanosecond laser (QS-532 nm) for treating CALMs...
April 2021: Lasers in Surgery and Medicine
https://read.qxmd.com/read/32886029/treatment-of-keratosis-pilaris-and-its-variants-a-systematic-review
#26
REVIEW
Jalal Maghfour, Sophia Ly, Wasim Haidari, Sarah L Taylor, Steven R Feldman
INTRODUCTION: Keratosis pilaris (KP) is a common, benign skin condition of follicular hyperkeratosis. Although KP is asymptomatic, the cosmetic appearance of KP can lead to psychosocial distress among patients. New emerging treatments are increasingly being utilized. Yet, there is little to no summative data on the treatments of KP and its subtypes. OBJECTIVE: To summarize existing literature on treatments for KP and its subtypes. METHODS: A comprehensive search was performed using Pubmed/MEDLINE, Embase and Web of Science databases...
May 2022: Journal of Dermatological Treatment
https://read.qxmd.com/read/32748662/q-switched-532-nm-nd-yag-laser-therapy-for-physiological-lip-hyperpigmentation-novel-classification-efficacy-and-safety
#27
JOURNAL ARTICLE
Saad Altalhab, Mohammed Aljamal, Thamer Mubki, Naief AlNomair, Shoug Algoblan, Ammar Alalola, Mohammed I AlJasser, Ahmed Alissa
BACKGROUND: Physiological lip hyperpigmentation (PLH) is a common cosmetic concern in the Middle East and Asia. It is characterized by homogeneous symmetric diffuse hyperpigmentation affecting both lips. There is no satisfactory treatment for this condition. The aim of this study is to evaluate the efficacy and safety of Q-switched (QS) 532 nm Nd:YAG laser for PLH. METHODS: A total of 30 patients with clinical diagnosis of PLH were retrospectively reviewed and included in the study...
May 2022: Journal of Dermatological Treatment
https://read.qxmd.com/read/32592273/q-switched-nd-yag-532-nm-laser-versus-intra-dermal-tranexamic-acid-for-treatment-of-facial-ephelides-a-split-face-randomized-comparative-trial
#28
Khadiga S Sayed, Samar Tuqan, Rana F Hilal
BACKGROUND AND OBJECTIVES: To compare the efficacy and safety of intradermal injection of tranexamic acid (TXA) versus Q switched (QS) KTP (532 nm) in the treatment of facial ephelides. STUDY DESIGN/MATERIALS AND METHODS: A randomized comparative split-face study included a total of 30 female patients with bilateral facial ephelides. One cheek was treated by intra-dermal TXA injections and the other was treated by QS-KTP (532 nm). Patient assessment was performed by photography, pigmentation area, severity index and spectrophotometry at baseline, 1 week after treatment, and 2 months after treatment...
June 26, 2020: Lasers in Surgery and Medicine
https://read.qxmd.com/read/32431000/dermoscopy-as-a-useful-tool-for-evaluating-melasma-and-assessing-the-response-to-1064-nm-q-switched-nd-yag-laser
#29
JOURNAL ARTICLE
Rania Abdel Hay, Faisal Nouredin Mohammed, Khadiga S Sayed, Nada Adel Abd El Fattah, Sarah Ibrahim
Melasma is a hard-to-manage disorder with considerable relapsing behavior. Dermoscopy emerged to help in comprehensive evaluation of pigmentary disorders and melasma. The aim of the study was to evaluate the potential role of dermoscopy in assessing melasma and monitoring the efficacy of 1064-nm low-fluence Q-switched neodymium:yttrium-aluminum-garnet (QS Nd:YAG) laser. A total of 31 patients with facial melasma were included. A total of five laser sessions were performed with 2-week intervals. Patients were evaluated at baseline and 2 weeks after the last session (at the 10th week) by using digital photography, modified melasma area and severity index (mMASI), and colorimetry, as well as dermoscopic score for pigment and vascular elements...
July 2020: Dermatologic Therapy
https://read.qxmd.com/read/31908179/a-comparative-study-between-oral-tranexamic-acid-versus-oral-tranexamic-acid-and-q-switched-nd-yag-laser-in-melasma-treatment-a-clinical-and-dermoscopic-evaluation
#30
JOURNAL ARTICLE
Naglaa Agamia, Zoe Apalla, Walaa Salem, Wafaa Abdallah
BACKGROUND: Melasma is a common acquired disorder of pigmentation. OBJECTIVE: To compare the efficacy of oral tranexamic acid (TA) versus oral TA and Q-switched Nd: YAG laser (1064-nm wavelength) in the treatment of melasma. MATERIALS AND METHODS: Sixty patients were divided into two groups. Group A: oral TA only and group B: oral TA plus Qs-Nd: YAG laser (1064 nm) sessions. Evaluations were performed on the clinical basis including the use of Modified Melasma Area and Severity Index (m MASI) and dermoscopy...
November 2021: Journal of Dermatological Treatment
https://read.qxmd.com/read/31885087/successful-treatment-of-cosmetic-oral-mucosal-tattoos-using-qs-694-nm-ruby-laser-and-755-nm-alexandrite-picosecond-laser
#31
Hao Feng, Mitalee P Christman, Sonal Muzumdar, Roy G Geronemus
BACKGROUND AND OBJECTIVES: Q-switched (QS) and picosecond lasers can effectively and safely remove unwanted tattoo pigments. Cosmetic mucosal tattoos are rare and there are only a handful of cases of successful laser tattoo removal, all with QS 1064-nm neodymium-doped yttrium aluminum garnet (Nd:YAG) laser. STUDY DESIGN/MATERIALS AND METHODS: A 19-year-old Fitzpatrick skin-type II female presented for treatment of a 6-month-old, black tattoo on the mucosal surface of her lower lip...
December 30, 2019: Lasers in Surgery and Medicine
https://read.qxmd.com/read/31714385/use-of-lasers-for-iron-induced-accidental-tattoos-experience-at-a-tertiary-referral-center
#32
JOURNAL ARTICLE
Corinne D C Eggenschwiler, Reinhard Dummer, Laurence Imhof
BACKGROUND: Awareness of accidental tattoos after iron injections with paravenous leakage is low. No larger patient cohorts have been analyzed. The lesions are a burden to the patients. The only known treatment is laser therapy. OBJECTIVE: To characterize the clinical appearance and development of iron-induced tattoos and to demonstrate safe and efficient removal with quality-switched (QS) and picosecond lasers. MATERIALS AND METHODS: The authors conducted a retrospective systematic analysis on patients who presented at the Dermatology Department of the University Hospital of Zurich between Year 2008 and 2017 with accidental hyperpigmentations after iron injections...
November 6, 2019: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
https://read.qxmd.com/read/31619092/a-case-of-recurrent-pigmented-macules-in-laugier-hunziker-syndrome-treated-using-a-q-switched-nd-yag-laser
#33
JOURNAL ARTICLE
Myoung Eun Choi, Chang Jin Jung, Woo Jin Lee, Chong Hyun Won, Sung Eun Chang, Mi Woo Lee, Jee Ho Choi, Seung Hwan Paik
Laugier-hunziker syndrome (LHS) is a sporadic and acquired melanotic pigmentation of lips and oral mucosa which is not associated with gastrointestinal hamartomas in contrast to Peutz-Jeghers syndrome. Treatment using Q-switched neodymium: yttrium-aluminum-garnet (QS-ND:YAG) laser, Q-switched alexandrite laser and, cryotherapy have been reported. However, to the best of our knowledge, there is no report regarding long-term follow-up for recurrence. Herein we report the clinical features and the treatment of recurrent pigmented lesions in LHS patients...
2019: Journal of Cosmetic and Laser Therapy: Official Publication of the European Society for Laser Dermatology
https://read.qxmd.com/read/31536162/increased-tattoo-fading-in-a-single-laser-tattoo-removal-session-enabled-by-a-rapid-acoustic-pulse-device-a-prospective-clinical-trial
#34
Michael S Kaminer, Christopher C Capelli, Mona Sadeghpour, Omer Ibrahim, Leslie L Honda, David W Robertson
BACKGROUND AND OBJECTIVES: The ability to provide improved tattoo fading using multiple laser passes in a single office laser tattoo removal session is limited. In part, this is due to the loss of laser effectiveness caused by epidermal and dermal vacuole "whitening" generated during the initial laser pass at the tattoo site. The Rapid Acoustic Pulse (RAP) device generates acoustic shock wave pulses that clear epidermal and dermal vacuoles to enable multiple laser passes in a single office laser tattoo removal session...
September 19, 2019: Lasers in Surgery and Medicine
https://read.qxmd.com/read/31516612/q-ptp-is-an-optimized-technology-of-1064-nm-q-switched-neodymium-doped-yttrium-aluminum-garnet-laser-in-the-laser-therapy-of-melasma-a-prospective-split-face-study
#35
JOURNAL ARTICLE
Xiaorui Guo, Xiaojian Cai, Yudan Jin, Taohua Zhang, Bulin Wang, Qin Li
Quickly-pulse-to-pulse (Q-PTP) is the latest dual pulse mode Q-switched neodymium-doped yttrium aluminum garnet [QS Nd:YAG (QSNY)] laser technology that improves efficacy and minimizes side effects. In this study, the safety, efficacy, and advantages of Q-PTP and single-pulse laser mode of 1064-nm QSNY in the treatment of melasma were compared. Twelve healthy women were enrolled in this split-face study. Q-PTP and single-pulse laser mode of 1064-nm QSNY were applied to the treatment side and the control side, respectively...
October 2019: Oncology Letters
https://read.qxmd.com/read/31376312/site-oriented-depigmentation-in-vitiligo-patients-using-q-switched-nd-yag-laser-1-064-532-nm-cryotherapy-and-chemical-peels-a-comparative-study
#36
COMPARATIVE STUDY
Medhat El-Mofty, Wedad Z Mostafa, Samia Esmat, Amira Zayed, Heba Mashaly, Marwa F Hussien, Sarah I Ismail
Depigmentation emerges as a feasible solution for vitiligo universalis and refractory cases of vitiligo vulgaris that hinder patients' quality of life. A range of depigmenting modalities has previously been developed. However, each has its own limitations. Based on skin sensitivity, this study sets out to compare the efficacy and tolerability of "trichloroacetic acid (TCA) peels 25% and 50% and Qs Nd:YAG laser (1,064/532 nm)" for facial depigmentation and "cryotherapy, phenol 88% and Qs Nd:YAG (1,064/532 nm)" for extrafacial skin depigmentation...
September 2019: Dermatologic Therapy
https://read.qxmd.com/read/31302943/a-prospective-randomized-controlled-study-of-oral-tranexamic-acid-for-the-prevention-of-postinflammatory-hyperpigmentation-after-q-switched-532-nm-nd-yag-laser-for-solar-lentigines
#37
RANDOMIZED CONTROLLED TRIAL
Suthinee Rutnin, Duangrat Pruettivorawongse, Kunlawat Thadanipon, Vasanop Vachiramon
BACKGROUND AND OBJECTIVES: Q-switched (QS) 532-nm Nd:YAG laser is one of the treatment options for solar lentigines (SLs). However, the high incidence of postinflammatory hyperpigmentation (PIH) is concerning, especially in dark-complexioned skin. Tranexamic acid (TA) can decrease melanogenesis and has been used to treat melasma. The aim of this study is to evaluate the efficacy and safety of oral TA for PIH prevention and clearance in patients with SL treated with QS 532-nm Nd:YAG laser...
December 2019: Lasers in Surgery and Medicine
https://read.qxmd.com/read/31177406/low-fluence-q-switched-nd-yag-1064-nm-laser-versus-q-switched-nd-yag-532-nm-laser-in-the-treatment-of-hyperpigmented-lips-a-prospective-randomized-controlled-evaluator-blinded-trial
#38
JOURNAL ARTICLE
Nattawan Limpjaroenviriyakul, Natthachat Jurairattanaporn, Nanticha Kamanamool, Salinee Rojhirunsakool, Silada Kanokrungsee, Montree Udompataikul
Lip hyperpigmentation is an esthetic problem. Clinical data from controlled comparative studies is insufficient to support the efficacy of laser treatments for hyperpigmented lips. This study is aimed to compare the efficacy of low-fluence Q-switched Nd:YAG 1064-nm laser (LFQS 1064-nm) versus Q-switched Nd:YAG 532-nm laser (QS 532-nm) for the treatment of hyperpigmented lips. A randomized, controlled, evaluator-blinded study was conducted in thirty subjects. They were randomized into 2 groups. The first group was treated with five treatment sessions with a 2-week interval of LFQS 1064-nm laser while the second group was treated with a single session of QS 532-nm laser...
June 8, 2019: Lasers in Medical Science
https://read.qxmd.com/read/31120157/epidermal-cellular-grafting-as-a-treatment-for-punctate-leukoderma-secondary-to-laser-toning
#39
JOURNAL ARTICLE
K Fong, B K Goh
Low fluence, large spot size Q-switched 1064nm neodymium-doped yttrium aluminum garnet (QS Nd:YAG) laser is used in the treatment of melasma ("laser toning").1 Punctate leukoderma, or the development of guttate hypopigmentation, is a frequent complication resulting from overzealous treatment: too high a fluence and/or too frequent an intervention.2 Leukodermic regions are notoriously resistant to treatment, and current options generally fail to demonstrate satisfactory repigmentation. This article is protected by copyright...
May 23, 2019: Journal of the European Academy of Dermatology and Venereology: JEADV
https://read.qxmd.com/read/31080677/desmoplastic-melanoma-arising-after-1-064-nm-q-switched-nd-yag-laser-of-a-suspected-solar-lentigo
#40
Leah Cohen, Sonali Nanda, Martin Zaiac
Objectives: To present a case of desmoplastic melanoma (DM) arising after laser therapy of a suspected solar lentigo with the 1,064 nm Q-switched (QS) Neodymium:Yttrium-Aluminum-Garnet (Nd:YAG) laser and discuss the safety of treating suspected solar lentigines with laser therapy. Methods: Case presentation with discussion. Results: We describe a patient who developed DM after 1,064 nm QS Nd:YAG laser therapy to a suspected solar lentigo. Conclusions: Limited generalizable studies regarding the safety of laser therapy for solar lentigines exist, specifically for the 1,064 nm QS Nd:YAG laser...
2019: Case Reports in Dermatological Medicine
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