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Skin hyperpigmentation

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https://www.readbyqxmd.com/read/28540410/-prurigo-pigmentosa-after-fat-reduced-diet-treated-with-doxycycline
#1
M Ebnöther, M Streit, J Grabbe
Prurigo pigmentosa is a rare inflammatory skin disease of unknown origin, mostly described in the ethnic Japanese population. Etiology and pathogenesis are not completely known. Tetracyclines or dapsone are the therapy of choice. A 17-year-old Swiss patient with Turkish parents presented with pruritic rash on the neck and trunk, which started after a diet. Under therapy with doxycycline over 5 weeks, complete healing with slight reticular hyperpigmentation was observed.
May 24, 2017: Der Hautarzt; Zeitschrift Für Dermatologie, Venerologie, und Verwandte Gebiete
https://www.readbyqxmd.com/read/28539982/misuse-of-topical-corticosteroids-on-facial-skin-a-study-of-200-patients
#2
Rohini Sharma, Sameer Abrol, Mashqoor Wani
BACKGROUND: Topical corticosteroids have become available as over the counter drugs and are widely misused for various conditions. OBJECTIVE: The aim of this study is to assess the clinical and epidemiological aspects of the unjustified use of topical corticosteroids for facial skin. METHODS: A total of 200 patients with facial dermatoses and topical corticosteroid misapplication daily over face for not less than 30 days were included in the study...
March 31, 2017: Journal of Dermatological Case Reports
https://www.readbyqxmd.com/read/28538409/a-case-report-of-pedigree-of-a-homozygous-mutation-of-the-steroidogenic-acute-regulatory-protein-causing-lipoid-congenital-adrenal-hyperplasia
#3
Rong Fu, Lin Lu, Jun Jiang, Min Nie, Xiaojing Wang, Zhaolin Lu
RATIONALE: Lipoid congenital adrenal hyperplasia (LCAH) is extremely rare, but is the most fatal form of congenital adrenal hyperplasia resulting from mutations in the steroidogenic acute regulatory protein (STAR) gene. LCAH arises from severe defects in the conversion of cholesterol to pregnenolone, the precursor of all steroids. PATIENT CONCERNS: A case was reported that an 11-month-old Chinese girl who presented with a sex development disorder and hyponatremia...
May 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28512843/assessment-of-the-efficacy-and-safety-of-a-new-complex-skin-cream-in-asian-women-a-controlled-clinical-trial
#4
Yu Seok Jung, Ji Hae Lee, Jung Min Bae, Dong Won Lee, Gyong Moon Kim
BACKGROUND: Medical products such as hydroquinone and tretinoin have been widely used to treat various types of skin hyperpigmentation. However, these products are limited in daily use given their adverse effects. Other alternative agents with fewer adverse side effects have been developed. However, single agents often do not produce satisfactory results. AIMS: To evaluate the efficacy and safety of a new brightening complex cream containing niacinamide, tranexamic acid, oxyresveratrol, glutathione disulfide, and linoleic acid...
May 16, 2017: Journal of Cosmetic Dermatology
https://www.readbyqxmd.com/read/28510704/skin-disorders-in-egyptian-children-with-%C3%AE-thalassemia-major
#5
Sameh S Fahmey, Gamal Taha, Abdelaziz El-Refaey, Sherry Adly
Background: Thalassemia major is one of the common genetic disorders in Egypt. Skin disorders are usually neglected and frequently underdiagnosed among these patients. Objective: This work aimed to study the frequency and pattern of skin manifestations in Egyptian children with β-thalassemia. Methods: Fifty-four β-thalassemia major patients being followed at the Hematology Clinic of Beni-Suef University Hospital were selected to participate in this study...
May 16, 2017: Journal of Tropical Pediatrics
https://www.readbyqxmd.com/read/28502596/safety-profile-of-collagenase-clostridium-histolyticum-stratified-by-degree-of-penile-curvature-in-patients-with-peyronie-s-disease
#6
Wayne J G Hellstrom, Ronny B W Tan, Genzhou Liu
OBJECTIVE: To examine the safety of collagenase clostridium histolyticum (CCH) in adult males with penile curvature deformity <30°. Collagenase clostridium histolyticum is indicated for treatment of Peyronie's disease (PD) in adult males with palpable plaque and a penile curvature deformity ≥30° at start of therapy; however, during treatment, patients may receive CCH injections when penile curvature deformity is <30°. MATERIALS AND METHODS: Patients who received ≥2 CCH treatment cycles in 2 phase 3 studies (IMPRESS I and II) were included...
May 10, 2017: Urology
https://www.readbyqxmd.com/read/28498021/successful-treatment-of-becker-s-nevus-with-long-pulsed-1064nm-nd-yag-and-755nm-alexandrite-laser-and-review-of-the-literature
#7
Adam J Wulkan, Timothy McGraw, Mark Taylor
BACKGROUND: Becker's Nevus is an aesthetically troublesome condition secondary to hyperpigmentation and hypertrichosis. Although several lasers have been employed with varying degrees of success, the exact devices and treatment parameters have yet to be elucidated. OBJECTIVE: To assess the combination Nd:Yag and alexandrite laser as a safe and efficacious treatment for Becker's Nevus. METHODS: In a 20-year-old Fitzpatrick Skin Type IV male, a Becker's Nevus was treated with six sessions of long-pulsed 1,064nm Nd:Yag laser at six-week intervals followed by five sessions of long-pulsed 755nm alexandrite laser at three-month intervals...
May 12, 2017: Journal of Cosmetic and Laser Therapy: Official Publication of the European Society for Laser Dermatology
https://www.readbyqxmd.com/read/28497756/s-1-versus-placebo-in-patients-with-sorafenib-refractory-advanced-hepatocellular-carcinoma-s-cube-a-randomised-double-blind-multicentre-phase-3-trial
#8
Masatoshi Kudo, Michihisa Moriguchi, Kazushi Numata, Hisashi Hidaka, Hironori Tanaka, Masafumi Ikeda, Seiji Kawazoe, Shinichi Ohkawa, Yozo Sato, Shuichi Kaneko, Junji Furuse, Madoka Takeuchi, Xuemin Fang, Yoshito Date, Masahiro Takeuchi, Takuji Okusaka
BACKGROUND: Unresectable advanced hepatocellular carcinoma is a heterogeneous disease, for which sorafenib is the first targeted agent approved for first-line therapy, and treatment options for patients with sorafenib-refractory advanced hepatocellular carcinoma are limited. We assessed the efficacy and safety of S-1, a chemotherapeutic agent based on fluorouracil, in patients with sorafenib-refractory advanced hepatocellular carcinoma. METHODS: We did a randomised, double-blind, placebo-controlled, phase 3 study done at 57 sites in Japan...
June 2017: Lancet. Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28497462/skin-hyperpigmentation-following-intravenous-polymyxin-b-treatment-associated-with-melanocyte-activation-and-inflammatory-process
#9
K P H Mattos, M L Cintra, I R Gouvêa, L Á Ferreira, P E N F Velho, P Moriel
What is known and objective Polymyxins were widely used until the 1960s; however, they fell into disfavour owing to their toxicity. The subsequent growth of infections caused by multidrug-resistant Gram-negative bacteria has led to renewed use of this class of antimicrobials in clinical practice. Acquired skin hyperpigmentation (SH) following intravenous polymyxin B treatment has been previously reported, but little is known about its pathogenesis, clinical course and treatment. To improve understanding of these issues, we conducted a prospective study of adult patients receiving intravenous polymyxin B treatment...
May 11, 2017: Journal of Clinical Pharmacy and Therapeutics
https://www.readbyqxmd.com/read/28492049/a-review-of-laser-and-light-therapy-in-melasma
#10
REVIEW
M K Trivedi, F C Yang, B K Cho
Melasma is a dysregulation of the homeostatic mechanisms that control skin pigmentation and excess pigment is produced. Traditional treatment approaches with topical medications and chemical peels are commonly used but due to the refractory and recurrent nature of melasma, patients often seek alternative treatment strategies such as laser and light therapy. Several types of laser and light therapy have been studied in the treatment of melasma. Intense pulsed light, low fluence Q-switched lasers, and non-ablative fractionated lasers are the most common lasers and light treatments that are currently performed...
March 2017: International Journal of Women's Dermatology
https://www.readbyqxmd.com/read/28488622/family-with-ehlers-danlos-syndrome-combined-classic-and-vascular-type-with-rare-presentation-of-progressive-myopathy-and-unusual-association-of-severe-facial-and-trigeminal-motor-weakness
#11
A Nalini, N Devaraddi, N Gayathri, Chandrajit Prasad, V Preethish-Kumar, K Polavarapu, S Shantanu
We report the clinical, radiological, biochemical, muscle histology, and electron microscopic features of two members of a family with combined Ehlers-Danlos syndrome (EDS) [classic and vascular type] and progressive myopathy as the primary manifestation. A 35-year old lady presented with severe gluteal and thigh muscle pain and easy fatigability for 5 years. She developed weakness and wasting of pelvic and pectoral girdles and thighs for 3 years and severe neck flexor and truncal weakness for 6 months. She had a history of recurrent jaw dislocation, easy bruising with hyperpigmentation, hyperextensibility of joints, translucent skin, and papyraceous scars...
May 2017: Neurology India
https://www.readbyqxmd.com/read/28481757/vermillion-reconstruction-with-anal-verge-transitional-epithelium-turning-things-upside-down
#12
Benjamin Levi, Joseph A Ricci, Matthias B Donelan
Postburn lip deformities pose a significant set of challenges to reconstructive burn surgeons because of the complex anatomy, diverse functions, and specialized nature of the lip tissues. There has been a paucity of literature on restoration of the vermillion to date. The authors report on two patients who suffered burn injuries resulting in significant lip deformities who underwent a novel method of vermillion reconstruction with a full thickness anal verge skin graft. Both patients tolerated the procedure well without complications...
May 4, 2017: Journal of Burn Care & Research: Official Publication of the American Burn Association
https://www.readbyqxmd.com/read/28481450/novel-regulation-of-melanogenesis-by-adiponectin-via-the-ampk-crtc-pathway
#13
Seunghyun Bang, Kwang Hee Won, Hye-Rim Moon, Hanju Yoo, Areum Hong, Youngsup Song, Sung Eun Chang
Several studies observed that adiponectin, an important adipokine that improves glucose metabolism by regulating AMP-activated protein kinase (AMPK) signaling, is dermatologically beneficial. In our recent microarray data, we found that adiponectin expression was lower in lesional skin than in non-lesional skin of melasma patients. Given that AMPK is a key adiponectin signaling mediator, we investigated the role of adiponectin and AICAR, a cell-permeable AMPK activator, in melanogenesis. We herein showed that adiponectin and AICAR downregulated MITF, tyrosinase, TRP-1, and DCT expression and reduced melanin content in normal human and mouse melanocytes...
May 8, 2017: Pigment Cell & Melanoma Research
https://www.readbyqxmd.com/read/28475520/mucocutaneous-hyperpigmentation-in-a-patient-with-a-history-of-both-minocycline-and-silver-ingestion
#14
Angel Fernandez-Flores, Thao Nguyen, David S Cassarino
Minocycline is a derivative of tetracycline. It has been widely used in dermatology for the treatment of acne and rosacea. One of its adverse effects is pigmentation of various body tissues. Clinically, 3 main distinct types of hyperpigmentation by minocycline have been distinguished: type I, with blue-gray to black pigment on the face in areas of scarring or inflammation; type II, with blue-gray pigment on normal skin of the legs, forearms and on the shins; and type III, with a diffuse muddy-brown discoloration in areas of sun exposure...
April 27, 2017: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/28470405/arsenic-mediated-hyperpigmentation-in-skin-via-nf-kappa-b-endothelin-1-signaling-in-an-originally-developed-hairless-mouse-model
#15
Ichiro Yajima, Mayuko Y Kumasaka, Machiko Iida, Reina Oshino, Hiroko Tanihata, Aeorangajeb Al Hossain, Nobutaka Ohgami, Masashi Kato
Chronic exposure to arsenic is associated with various diseases in humans. Skin hyperpigmentation is the most sensitive objective symptom for patients with arsenicosis. However, there is very limited information about the mechanism of arsenic-mediated skin hyperpigmentation in vivo. In this study, hairless homozygous mice (Hr/Hr-mice) that drank water containing 3 and 30 µM arsenic for 2 months developed skin hyperpigmentation with increased levels of arsenic and number of melanocytes in the skin. Since it is possible for humans to be exposed to 3 µM of arsenic in well drinking water, our results suggest that the Hr/Hr-mice could be a novel model sensitively reflecting arsenic-mediated skin hyperpigmentation...
May 3, 2017: Archives of Toxicology
https://www.readbyqxmd.com/read/28457312/minocycline-induced-hyperpigmentation-of-the-skin-sclera-and-palpebral-conjunctiva
#16
Leonid Skorin, Steve Turpin
No abstract text is available yet for this article.
April 2017: Canadian Journal of Ophthalmology. Journal Canadien D'ophtalmologie
https://www.readbyqxmd.com/read/28429695/lichenoid-type-cutaneous-hyperpigmentation-induced-by-nebivolol
#17
Abdullah Nabi Aslan, Murat Can Güney, Murat Akçay, Telat Keleş, Engin Bozkurt
Cutaneous hyperpigmentation is a common and well-defined side effect of many drugs, such as non-steroidal anti-inflammatory drugs, beta-blockers, and tetracyclines, but to the best of our knowledge there is no case of skin discoloration related to nebivolol in the literature. Presently described is lichenoid type cutaneous hyperpigmentation in a 46-year-old female patient. Hyperpigmentation emerged 3 months after initiating use of nebivolol and resolved after cessation of drug use. It was concluded that effect emerged as result of therapeutic doses of nebivolol...
April 2017: Türk Kardiyoloji Derneği Arşivi: Türk Kardiyoloji Derneğinin Yayın Organıdır
https://www.readbyqxmd.com/read/28421656/oral-intake-of-boesenbergia-pandurata-extract-improves-skin-hydration-gloss-and-wrinkling-a-randomized-double-blind-and-placebo-controlled-study
#18
Do Un Kim, Hee Chul Chung, Changhee Kim, Jae-Kwan Hwang
BACKGROUND: Photoaging is a severe skin damage that occurs as a result of exposure to external elements, primarily ultraviolet (UV) irradiation. Chronically, UV-irradiated skin exhibits the signs of sunburn and hyperpigmentation with the destruction of connective tissues. Previously, Boesenbergia pandurata (B. pandurata) and its active compound panduratin A showed antiphotoaging activities in vitro and in vivo. OBJECTIVE: The aim of this study was to investigate the clinical efficacy of B...
April 18, 2017: Journal of Cosmetic Dermatology
https://www.readbyqxmd.com/read/28416402/improvement-of-skin-whitening-agents-efficiency-through-encapsulation-current-state-of-knowledge
#19
REVIEW
Elissa Ephrem, Hamid Elaissari, Hélène Greige-Gerges
Hyperpigmentation is one of the most common skin disorder that affects both men and women of all ethnic groups, caused by several factors, such as UV exposure and skin inflammation. Topical whitening agents were found to be the best and the least aggressive therapy for treating hyperpigmentation compared to instrumental approaches. However, topical treatment faces several obstacles due to the low stability of the whitening agents. Therefore, the encapsulation of these agents was found to be crucial as it enhances their physicochemical stability and increases their concentration at the targeted site via an improved skin permeation, penetration or distribution...
April 14, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28413391/minocycline-induced-hyperpigmentation-in-a-patient-treated-with-erlotinib-for-non-small-cell-lung-adenocarcinoma
#20
Ann T Bell, John W Roman, Max L Gratrix, Christina E Brzezniak
INTRODUCTION: While epidermal growth factor receptor (EGFR) inhibitors have improved progression-free survival in patients with non-small cell lung cancer (NSCLC), one of the most common adverse effects is papulopustular skin eruption, which is frequently severe enough to be treated with oral minocycline or doxycycline. CASE: We present a case of an 87-year-old man who developed a severe papulopustular skin eruption secondary to erlotinib therapy for NSCLC. Control of the eruption with 100 mg of minocycline twice daily for 8 months eventually led to blue-gray skin hyperpigmentation...
January 2017: Case Reports in Oncology
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