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Keloid

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https://www.readbyqxmd.com/read/28648517/-umbilical-endometriosis-mimicking-a-keloid-in-a-young-black-woman-a-case-report
#1
H-S Kourouma, E-J Ecra, A-S Allou, M Kouyaté, Y-I Kouassi, M Kaloga, K-A Kouassi, K Kassi, K Kouamé, C Ahogo, I-P Gbery, A Sangaré
BACKGROUND: Most umbilical tumors are diagnosed as benign tumors, umbilical metastases of abdominal and pelvic tumors, or Sister Marie Joseph nodule. Herein, we report a case of cutaneous umbilical endometriosis mistaken for a keloid. PATIENTS AND METHODS: A young black woman aged 26 consulted for a painful umbilical tumefaction. She had noted the appearance of a nodule of the umbilicus 10 months ago with bleeding during her menstrual periods. Skin examination revealed a firm and painful umbilical nodule 2...
June 22, 2017: Annales de Dermatologie et de Vénéréologie
https://www.readbyqxmd.com/read/28638180/in-situ-cytokine-expression-and-morphometric-evaluation-of-total-collagen-and-collagens-type-i-and-type-iii-in-keloid-scars
#2
Isabela Rios da Silva, Luciana Colombo Rodrigues da Cunha Tiveron, Marcos Vinicius da Silva, Alberto Borges Peixoto, Carla Aparecida Xavier Carneiro, M A Dos Reis, Pedro Carvalho Furtado, Bárbara Rocha Rodrigues, Virmondes Rodrigues, Denise Bertulucci Rocha Rodrigues
Keloids are characterized by excessive collagen deposition and growth beyond the edges of the initial injury, and cytokines may be related to their formation. The objective of this study was to evaluate the collagen fibers, analyze in situ expression of cytokines in keloid lesions, and compare to the control group. Results showed that there was a predominance of women and nonwhite and direct black ancestry. Keloid showed a significant increase in total and type III collagen. Significantly, the expression of mRNA for TGF-β in keloid was increased, the expressions of IFN-γ, IFN-γR1, and IL-10 were lower, and IFN-γR1 and TNF-α had no statistical difference...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28621443/noninvasive-treatment-of-keloid-using-customized-re-188-skin-patch
#3
Priya Bhusari, Jaya Shukla, Munish Kumar, Rakhee Vatsa, Anupriya Chhabra, Kanchan Palarwar, Yogesh Rathore, Dipanker De, Sendhil Kumaran, Sanjeev Handa, B R Mittal
Keloids are developed as fibrotic scar at the site of surgery or trauma and often enlarge beyond the original scar margins. Re-188 colloid coated customized patch was superficially fixed onto the lesion for 3 hrs. The same patch was reapplied on the lesion on third day for 3 hrs. The patients were followed up at 1, 3,6 and 12 months post treatment. The size and elevation of the keloid lesion was reduced after treatment. The total radiation dose from the patch (day-1 and day-3) was 100 Gy/mCi of Re-188. The radioactive patch treatment of keloids is noninvasive, painless and safe with prolonged outcome...
June 16, 2017: Dermatologic Therapy
https://www.readbyqxmd.com/read/28619509/mir-141-3p-inhibits-fibroblast-proliferation-and-migration-by-targeting-gab1-in-keloids
#4
Jingjuan Feng, Siliang Xue, Qiuyu Pang, Zhen Rang, Fan Cui
Keloids are benign dermal fibroproliferative tumors that develop as a result of several dysregulated processes. Emerging evidence has revealed that miRNAs contribute to keloid formation. However, the molecular mechanisms of keloid pathogenesis remain unclear. In our study, we found that miR-141-3p in keloid tissues and keloid fibroblasts was significantly decreased compared with the levels in normal tissues and normal skin fibroblasts, respectively. miR-141-3p overexpression resulted in significantly decreased proliferation and migration and the promotion of apoptosis in keloid fibroblasts, whereas miR-141-3p knockdown in keloid fibroblasts yielded the opposite results...
June 12, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28607862/a-case-of-keloids-complicated-by-castleman-s-disease-interleukin-6-as-a-keloid-risk-factor
#5
Whitney L Quong, Yasuji Kozai, Rei Ogawa
Keloids are a manifestation of a fibroproliferative scarring disorder of the skin and develop in response to dermal injury in patients with a susceptible background. Local, systemic, and genetic factors contribute to keloid susceptibility. These factors include tension on the edges of the wound, hormonal influences, and ethnicity, respectively. Castleman's disease is a rare lymphoproliferative disorder that is characterized by the unregulated overproduction of interleukin-6, which leads to systemic lymphadenopathy and constitutional inflammatory symptoms...
May 2017: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/28607859/measurement-of-pressure-in-compressive-magnet-therapy-for-auricular-keloids
#6
Joshua A David, Salim A Ghodbane, Michael Chee, Henry C Hsia
No abstract text is available yet for this article.
May 2017: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/28588688/combined-effects-of-long-pulsed-neodymium-yttrium-aluminum-garnet-laser-diprospan-and-5-fluorouracil-in-the-treatment-of-keloid-scars
#7
Xiao-E Chen, Juan Liu, Afzaal Ahmed Bin Jameel, Maya Valeska, Jia-An Zhang, Yang Xu, Xing-Wu Liu, Hong Zhou, Dan Luo, Bing-Rong Zhou
Keloids are benign tumors that originate from scar tissues, but they usually overgrow beyond the original wounds. In a three-month single-center clinical trial, 69 patients were randomly divided into three groups. Patients in group 1 were treated with intralesional injection of diprospan (2 mg betamethasone disodium phosphate and 5 mg betamethasone dipropionate in 1 ml) with one-month intervals for three months. Patients in groups 2 and 3 were injected with a combination of 0.5 ml 5-fluorouracil (5-FU; 25 mg/ml) and diprospan as above for three months also...
June 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28576531/the-clinical-efficacy-of-early-intervention-for-infected-preauricular-sinus
#8
Oak-Sung Choo, Top Kim, Jeong Hun Jang, Yun-Hoon Choung
OBJECTIVE: The study was designed to evaluate the outcomes of early surgical intervention, and to suggest the accurate operation time and surgical strategies. METHODS: A total of 190 cases (144 patients) of PAS excision were classified into 2 groups according to their time of surgery; early intervention group (n = 53), and non-early intervention group (n = 137). Early intervention was defined as excision performed within 3 weeks from their first hospital visit, and after acute infection control, surgical removal was followed regardless of their infection status...
April 2017: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/28570253/review-of-silicone-gel-sheeting-and-silicone-gel-for-the-prevention-of-hypertrophic-scars-and-keloids
#9
Kuei-Chang Hsu, Chih-Wei Luan, Yi-Wen Tsai
BACKGROUND: Keloids and hypertrophic scars are fibroproliferative disorders of dermal tissue after skin injury. Many clinical control studies have reported evidence that silicone gel is effective in preventing and alleviating hypertrophic scarring. Whether silicone gel sheeting prevents hypertrophic scars or keloids requires clear evidence of its clinical effectiveness. OBJECTIVE: This review investigated the effectiveness of silicone gel and silicone gel sheeting for the prevention of hypertrophic or keloid scarring in patients with newly healed wounds...
May 2017: Wounds: a Compendium of Clinical Research and Practice
https://www.readbyqxmd.com/read/28566904/arborizing-vessels-on-dermoscopy-in-various-skin-diseases-other-than-basal-cell-carcinoma
#10
Hyunju Jin, Min-Young Yang, Jeong-Min Kim, Gun-Wook Kim, Hoon-Soo Kim, Hyun-Chang Ko, Byung-Soo Kim, Moon-Bum Kim
BACKGROUND: Arborizing vessels (AVs) are dermoscopically defined as telangiectasias with distinct treelike branching, and are a characteristic feature of basal cell carcinoma (BCC). However, AVs are observed in various conditions other than BCC. OBJECTIVE: The aim of this study was to investigate skin diseases showing AV and investigates dermoscopic differences between BCC and non-BCC. METHODS: Dermoscopic images showing AV were prospectively collected and classified into BCC/non-BCC...
June 2017: Annals of Dermatology
https://www.readbyqxmd.com/read/28538876/combination-therapy-with-butyrate-and-docosahexaenoic-acid-for-keloid-fibrogenesis-an-in-vitro-study
#11
Kazuhiro Torii, Noriaki Maeshige, Michiko Aoyama-Ishikawa, Makoto Miyoshi, Hiroto Terashi, Makoto Usami
Background: A single, effective therapeutic regimen for keloids has not been established yet, and the development of novel therapeutic approaches is expected. Butyrate, a short-chain fatty acid, and docosahexaenoic acid (DHA), a ω-3 polyunsaturated fatty acid, play multiple anti-inflammatory and anticancer roles via their respective mechanisms of action. Objective: In this study, we evaluated the antifibrogenic effects of their single and combined use on keloid fibroblasts...
March 2017: Anais Brasileiros de Dermatologia
https://www.readbyqxmd.com/read/28515727/basics-of-radiation-biology-when-treating-hyperproliferative-benign-diseases
#12
REVIEW
Franz Rödel, Claudia Fournier, Julia Wiedemann, Felicitas Merz, Udo S Gaipl, Benjamin Frey, Ludwig Keilholz, M Heinrich Seegenschmiedt, Claus Rödel, Stephanie Hehlgans
For decades, low- and moderate-dose radiation therapy (RT) has been shown to exert a beneficial therapeutic effect in a multitude of non-malignant conditions including painful degenerative muscoloskeletal and hyperproliferative disorders. Dupuytren and Ledderhose diseases are benign fibroproliferative diseases of the hand/foot with fibrotic nodules and fascial cords, which determine debilitating contractures and deformities of fingers/toes, while keloids are exuberant scar formations following burn damage, surgery, and trauma...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28515622/the-influence-of-genistein-on-free-radicals-in-normal-dermal-fibroblasts-and-keloid-fibroblasts-examined-by-epr-spectroscopy
#13
Magdalena Jurzak, Paweł Ramos, Barbara Pilawa
Normal and keloid fibroblasts were examined using X-band (9.3 GHz) electron paramagnetic resonance spectroscopy. The effect of genistein on the concentration of free radicals in both normal dermal and keloid fibroblasts after ultraviolet irradiation was investigated. The highest concentration of free radicals was seen in keloid fibroblasts, with normal fibroblasts containing a lower concentration. The concentration of free radicals in both normal and keloid fibroblasts was altered in a concentration-dependent manner by the presence of genistein...
2017: Medicinal Chemistry Research
https://www.readbyqxmd.com/read/28507865/reconstitution-of-human-keloids-in-mouse-skin
#14
Ataru Sunaga, Hideaki Kamochi, Shunji Sarukawa, Hirokazu Uda, Yasushi Sugawara, Rintaro Asahi, Daekwan Chi, Shiho Nakagawa, Koji Kanayama, Kotaro Yoshimura
BACKGROUND: Keloids are a dermal fibroproliferative scar of unknown etiology. There is no good animal model for the study of keloids, which hinders the development and assessment of treatments for keloids. METHODS: Human keratinocytes and dermal fibroblasts were isolated from 3 human skin tissues: normal skin, white scars, and keloids. A mixed-cell slurry containing keratinocytes and dermal fibroblasts was poured into a double chamber implanted on the back of NOD/Shi-scid/IL-2Rγnull mice...
April 2017: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/28498505/autosomal-dominant-frontometaphyseal-dysplasia-delineation-of-the-clinical-phenotype
#15
Emma M Wade, Zandra A Jenkins, Philip B Daniel, Tim Morgan, Marie C Addor, Lesley C Adés, Debora Bertola, Axel Bohring, Erin Carter, Tae-Joon Cho, Christa M de Geus, Hans-Christoph Duba, Elaine Fletcher, Kinga Hadzsiev, Raoul C M Hennekam, Chong A Kim, Deborah Krakow, Eva Morava, Teresa Neuhann, David Sillence, Andrea Superti-Furga, Hermine E Veenstra-Knol, Dagmar Wieczorek, Louise C Wilson, David M Markie, Stephen P Robertson
Frontometaphyseal dysplasia (FMD) is caused by gain-of-function mutations in the X-linked gene FLNA in approximately 50% of patients. Recently we characterized an autosomal dominant form of FMD (AD-FMD) caused by mutations in MAP3K7, which accounts for the condition in the majority of patients who lack a FLNA mutation. We previously also described a patient with a de novo variant in TAB2, which we hypothesized was causative of another form of AD-FMD. In this study, a cohort of 20 individuals with AD-FMD is clinically evaluated...
May 12, 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28498357/adiponectin-is-involved-in-connective-tissue-growth-factor-induced-proliferation-migration-and-overproduction-of-the-extracellular-matrix-in-keloid-fibroblasts
#16
Limin Luo, Jun Li, Han Liu, Xiaoqing Jian, Qianlei Zou, Qing Zhao, Qu Le, Hongdou Chen, Xinghua Gao, Chundi He
Adiponectin, an adipocyte-derived hormone, exerts pleiotropic biological effects on metabolism, inflammation, vascular homeostasis, apoptosis and immunity. Recently, adiponectin has been suggested to attenuate the progression of human dermal fibrosis. Connective tissue growth factor (CTGF) is induced in keloids and is thought to be participated in the formation of keloid fibrosis. However, the roles played by adiponectin in keloids remain unclear. In this study, we explored the effects of adiponectin on CTGF-induced cell proliferation, migration and the deposition of extracellular matrix (ECM) and their associated intracellular signalling pathways in keloid fibroblasts (KFs)...
May 12, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28487843/anaphylaxis-following-intralesional-triamcinolone-acetonide-kenacort-injection
#17
Wannada Laisuan, Chamard Wongsa, Nizchapha Dchapaphapeaktak, Malinee Tongdee, Jidapa Chatmapanrangsee, Ticha Rerkpattanapipat
Intralesional triamcinolone acetonide injection is indicated for multiple skin conditions such as keloid scars, alopecia areata, and hypertrophic lichen planus. Immediate hypersensitivity reaction remains uncommon. We report on a 24-year-old woman who had received multiple intralesional injections with triamcinolone acetonide (Kenacort) plus lidocaine for keloid scar treatment without any reaction for the previous 10 years. The immediate reaction occurred 15 minutes after injection, with numbness on her face and 5 minutes later with urticaria on her chest wall and upper extremities, together with hypotension (blood pressure of 90/60 mmHg)...
April 2017: Asia Pacific Allergy
https://www.readbyqxmd.com/read/28485781/effects-of-htert-antisense-oligodeoxynucleotide-on-cell-apoptosis-and-expression-of-htert-and-bcl-2-mrna-in-keloid-fibroblasts
#18
Y Huang, L-X Lin, Q-X Bi, P Wang, X-M Wang, J Liu, Y-T Wang
OBJECTIVE: This study was purposed to investigate the effects of hTERT antisense oligodeoxynucleotide (ASODN) on cell apoptosis and expression of hTERT and bcl-2 mRNA in keloid fibroblasts and to explore its anti-keloid effect. MATERIALS AND METHODS: Primary cultures of dermal fibroblasts derived from 12 keloid samples were established, strains of fibroblasts at passages 3 to 4 were used in this study. After treated by hTERT ASODN the proliferation of the fibroblasts was measured by cell count and MTT (3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide) assay method, the apoptosis was analyzed by flow cytometry (FCM), and the expression of hTERT and bcl-2 mRNA were observed by semi-quantitative reverse transcriptase-polymerase chain reaction (RT-PCR)...
April 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28481801/fdg-avid-keloid-on-pet-ct-imaging
#19
Zu-Gui Li
Keloid is a benign fibroproliferative growths resulting from an overexuberant healing response. A 51-year-old man with a 20-year history of keloid formation presented with a 1-year history of unexplained progressive weakness of both lower limbs. He was clinically suspected of having paraneoplastic neurologic syndrome. FDG PET/CT was performed to exclude underlying malignancy. FDG PET/CT revealed a giant FDG-avid keloid in the anterior chest wall without any other abnormal FDG uptake in the body. We emphasize that a benign FDG-avid keloid should be considered in the differential diagnosis of FDG-avid cutaneous lesions on PET/CT...
May 5, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28475513/nodular-sclerodermatous-chronic-cutaneous-graft-versus-host-disease-gvhd-a-new-clinicopathological-variant-of-cutaneous-sclerodermatous-gvhd-resembling-nodular-keloidal-scleroderma
#20
Lucía Prieto-Torres, Francesca Boggio, Alexandra Gruber-Wackernagel, Lorenzo Cerroni
Cutaneous chronic graft-versus-host disease (GvHD) has a broad spectrum of clinicopathological presentations, the most common ones being poikiloderma, lichen planus-like eruptions, lichen sclerosus-like lesions, morphea-like plaques, and deep sclerosis. New forms of chronic cutaneous GvHD with different clinicopathological characteristics have been described, most of them mimicking cutaneous manifestations of autoimmune diseases. We report the case of a 35-year-old man who underwent allogenic stem cell transplantation for a therapy-associated acute myeloid leukemia and developed an acute GvHD with involvement of skin and gastrointestinal tract...
April 25, 2017: American Journal of Dermatopathology
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