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Lichen sclerosis

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https://www.readbyqxmd.com/read/29460897/-is-scleromyxedema-a-skin-problem-or-systemic-pathological-process
#1
S G Radenska-Lopovok, P Volkova
Scleromyxedema is regarded as a rare cutaneous mucinosis from a group of lichen myxedematosus characterized by diffuse mucin deposition, sclerosis, and lichenoid eruptions in the absence of thyroid disease. The paper discusses the pathogenesis of the disease and histological changes in tissues. It underlines the need for using histochemical tests to identify acidic and neutral glycosaminoglycans and gives a differential diagnosis of this disease.
2018: Arkhiv Patologii
https://www.readbyqxmd.com/read/29405913/routine-histopathological-examination-of-the-foreskin-after-circumcision-for-clinically-suspected-lichen-sclerosus-in-children-is-it-a-waste-of-resources
#2
Fahad A Alyami, Zhoobin Heidari Bateni, Raken Odeh, Walid A Farhat, Martin Koyle
INTRODUCTION: Circumcision is one of the most widely performed procedures in the world. One of the indications for circumcision is Lichen sclerosis (LS). The natural history of LS in children is not as well-documented as in adult patients. Surgeons use the appearance of the foreskin or meatus to predict the diagnosis of LS. 1 Indeed, if the diagnosis of LS is made in childhood, does it change management in the long term? Pathological analysis of the excised foreskin is routinely done if there is suspicion of LS...
February 6, 2018: Canadian Urological Association Journal, Journal de L'Association des Urologues du Canada
https://www.readbyqxmd.com/read/29368855/gender-differences-in-genital-lichen-sclerosus
#3
Annarosa Virgili, Alessandro Borghi, Simone Cazzaniga, Anna DI Landro, Luigi Naldi, Sara Minghetti, Maria T Fierro, Anna Verrone, Marzia Caproni, Giuseppe Micali, Valeria Gaspari, Manuela Papini, Vito DI Lernia, Lerica Germi, Giampiero Girolomoni, Anna Belloni Fortina, Serafinella P Cannavò, Roberta Bilenchi, Monica Corazza
BACKGROUND: Studies specifically conducted to assess gender differences in genital lichen sclerosus (GLS) are not available. This multicenter study aimed to identify possible gender-related differences on GLS clinical features, history and course, through collecting data from a large mixed-sex sample of patients. METHODS: This was a cross-sectional study on 729 subjects (53.8% females, 46.2% males) affected with GLS, consecutively observed within a network of 15 Italian dermatology units...
January 24, 2018: Giornale Italiano di Dermatologia e Venereologia: Organo Ufficiale, Società Italiana di Dermatologia e Sifilografia
https://www.readbyqxmd.com/read/29339071/mir-155-5p-promotes-fibroblast-cell-proliferation-and-inhibits-foxo-signaling-pathway-in-vulvar-lichen-sclerosis-by-targeting-foxo3-and-cdkn1b
#4
Lina Ren, Yi Zhao, Xiaoxi Huo, Xin Wu
Vulvar lichen sclerosis (VLS) is a chronic inflammatory skin disorder. Evidence is accumulating that microRNAs (miRNAs) exert crucial roles in initiation and development of a wide range of human diseases. MiR-155-5p has been frequently reported to be implicated in the tumorigenesis and progression of multiple types of cancers, however, its biological role in VLS remains unclear. This study aimed to explore the role of miR-155-5p in VLS and clarify the potential molecular mechanisms involved. In the present study, miR-155-5p was observed to be significantly upregulated in VLS tissues...
January 12, 2018: Gene
https://www.readbyqxmd.com/read/29314207/vitiligoid-variant-of-lichen-sclerosus-in-young-girls-with-darker-skin-types
#5
Margaret H Dennin, Sarah L Stein, Adena E Rosenblatt
BACKGROUND/OBJECTIVES: Vitiligo and lichen sclerosus are autoimmune disorders characterized by white discoloration, and both frequently affect the anogenital region. Vitiligoid lichen sclerosus refers to a superficial variant of lichen sclerosus in which the lesion appears clinically to be vitiligo based on the predominant presentation of depigmentation and minimal inflammation and sclerosis but histologically is consistent with lichen sclerosus. A limited number of reports have described vitiligoid lichen sclerosus, and from these reports, it appears to primarily affect darker-skinned people...
January 4, 2018: Pediatric Dermatology
https://www.readbyqxmd.com/read/29197137/immunohistopathological-characterization-and-the-impact-of-topical-immunomodulatory-therapy-in-oral-chronic-gvhd-a-pilot-study
#6
Ana Carolina F Motta, Qian Zhan, Allison Larson, Mark Lerman, Sook-Bin Woo, Robert J Soiffer, George F Murphy, Nathaniel S Treister
OBJECTIVE: To characterize the immunohistopathologic features of oral chronic graft-versus-host disease (cGVHD), and the impact of topical immunomodulatory therapy on the infiltrating cells. MATERIAL AND METHODS: Paired oral cGVHD biopsies obtained before (n=12) and one month after treatment (n=12) with topical dexamethasone (n=8) or tacrolimus (n=4) were characterized by immunohistochemistry using a panel of CD1a, CD3, CD4, CD8, CD20, CD31, CD62E, CD103, CD163, c-kit and FoxP3...
December 2, 2017: Oral Diseases
https://www.readbyqxmd.com/read/29194107/vestibulovaginal-sclerosis-versus-lichen-sclerosus
#7
Tania Day, Kate Burston, Graeme Dennerstein, Ross Pagano, James Scurry
To determine if vestibulovaginal sclerosis and lichen sclerosus (LS) are 2 distinct entities. Biopsies obtained from the vagina or vulvar vestibule that contained abnormal subepithelial collagen were reviewed. Cases were categorized either as LS or vestibulovaginal sclerosis based on presence or absence of basal layer degeneration and lymphocytic infiltrate. Clinical data collected included examination findings, biopsy site and indication, previous vulvovaginal surgery, medications at time of biopsy, vulvar LS, treatment, and response...
November 30, 2017: International Journal of Gynecological Pathology
https://www.readbyqxmd.com/read/29184774/updates-on-the-epidemiology-and-risk-factors-for-penile-cancer
#8
REVIEW
Antoin Douglawi, Timothy A Masterson
Penile cancer is a rare neoplasm representing less than 1% of all malignancies in the USA and Europe but is a significant public health hazard in the developing world. Male neonatal circumcision has been associated with a dramatic decrease in penile cancer rates with countries such as Israel, where circumcision is widely performed, having the lowest incidence in the world at <0.1% of malignancies. Many risk factors have been identified for penile cancer including phimosis, lack of circumcision, obesity, lichen sclerosis, chronic inflammation, smoking, UVA phototherapy, socioeconomic status, human papillomavirus (HPV) infection and immune compromised states...
October 2017: Translational Andrology and Urology
https://www.readbyqxmd.com/read/29155234/survivin-and-autoimmunity-the-ins-and-outs
#9
REVIEW
Hamidreza Ebrahimiyan, Saeed Aslani, Nima Rezaei, Ahmadreza Jamshidi, Mahdi Mahmoudi
Autoimmunity is a status that immune mechanisms react against self-structure. The immune mechanisms, including cellular and molecular elements have been developed to immune body against foreign invades. Multiple factors such as genetic and epigenetic background, hormonal status, microbiome, and other factors can cause launching the autoreactive responses, in which the immune tolerance breaks and immune mechanisms are against self-antigens. Apoptosis is one of the important mechanisms in maintaining the tolerance and eliminating the autoreactive lymphocyte clones...
November 16, 2017: Immunology Letters
https://www.readbyqxmd.com/read/29133168/autologous-granulation-tissue-tubes-for-replacement-of-urethral-defects-an-experimental-study-in-male-rabbits
#10
Shi-Wei Jiang, Zhong-Hua Xu, Yuan-Yuan Zhao, Lei Yan, Zun-Lin Zhou, Gang-Li Gu
INTRODUCTION: Tubularized urethroplasty is commonly performed in clinical practice using genital skin flaps, bladder mucosa, and buccal mucosa. However, the long-term effects are not satisfying, and donor site morbidities remain a problem. Besides, those grafts are unavailable with malignant conditions of the urinary tract, a history of lichen sclerosis, or oral disease. OBJECTIVE: An autologous granulation tissue tube of any required length and diameter can be produced by implanting foreign objects subcutaneously (Summary Fig...
October 31, 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/29025217/use-of-lipotransfer-in-scleroderma
#11
Michelle F Griffin, Aurora Almadori, Peter E Butler
Lipotransfer for soft tissue filling is a well-established plastic and aesthetic surgical technique. Elective fat grafting is considered a safe and well-tolerated procedure. Coleman and others have reported that fat grafting may have tissue regenerative properties and not only serve as a soft tissue filler. There have been reports from our group and others that it may improve fibrosis secondary to many different pathological aetiologies including scleroderma, burn injury, lichen sclerosis, graft vs host disease, and radiation...
July 1, 2017: Aesthetic Surgery Journal
https://www.readbyqxmd.com/read/28927766/vulvovaginitis-presentation-of-more-common-problems-in-pediatric-and-adolescent-gynecology
#12
REVIEW
Meredith Loveless, Ohmar Myint
Vulvovaginitis is one of the most common gynecological complaints presenting in the pediatric and adolescent female. The common causes of vulvovaginitis in the pediatric patient differ than that considered in adolescent females. When a child present with vulvar itching, burning and irritation the most common etiology is non-specific and hygiene measures are recommended. However these symptoms can mimic more serious etiologies including infection, labial adhesion, lichen sclerosis, pinworms and foreign body must be considered...
September 5, 2017: Best Practice & Research. Clinical Obstetrics & Gynaecology
https://www.readbyqxmd.com/read/28866464/do-transurethral-treatments-increase-the-complexity-of-urethral-strictures
#13
Akio Horiguchi, Masayuki Shinchi, Ayako Masunaga, Keiichi Ito, Tomohiko Asano, Ryuichi Azuma
PURPOSE: We examined the impact on urethral stricture complexity at urethroplasty of previous transurethral treatments such as dilation, urethrotomy and stenting, which are most commonly performed when treating male urethral stricture. MATERIALS AND METHODS: We retrospectively reviewed the records of 45 males who had undergone transurethral treatments before urethroplasty. We compared urethrography findings at initial diagnosis with those at urethroplasty. Males with failed hypospadias repair, lichen sclerosis or a history of prior urethroplasty were excluded from analysis...
September 1, 2017: Journal of Urology
https://www.readbyqxmd.com/read/28706407/incidence-of-oral-lichen-planus-in-perimenopausal-women-a-cross-sectional-study-in-western-uttar-pradesh-population
#14
Ravi Prakash Sasankoti Mohan, Akanksha Gupta, Nagaraju Kamarthi, Sangeeta Malik, Sumit Goel, Swati Gupta
BACKGROUND: Hormonal fluctuations during menopause lead to endocrine changes in women, especially in their sex steroid hormone production. Studies have documented the role of estrogen and progesterone (Pg) on autoimmune disorders such as multiple sclerosis, systemic lupus erythematosus, and rheumatoid arthritis. Lichen planus (LP), an autoimmune disorder, seen frequently in perimenopausal women, may also get affected by sex steroid hormones, but no direct relationship has been established yet...
April 2017: Journal of Mid-life Health
https://www.readbyqxmd.com/read/28702966/possible-role-of-helicobacter-pylori-in-diseases-of-dermatological-interest
#15
C Guarneri, J Lotti, M Fioranelli, M G Roccia, T Lotti, F Guarneri
Helicobacter pylori is a gram-negative, flagellate, microaerophilic bacterium identified for the first time about 30 years ago, as a pathogenic factor of gastritis and peptic ulcer. Soon after, it was linked to several gastrointestinal and extra-gastrointestinal diseases (hematological, cardiovascular, neurological, pulmonary and ocular diseases, obesity, diabetes mellitus, growth retardation and extragastric MALT lymphoma). Association and possible cause-effect correlation with H. pylori infection were suggested in diseases of dermatological interest such as chronic urticaria, rosacea, Henoch-Schoenleins purpura, idiopathic thrombocytopenic purpura, cutaneous and oral lichen planus, atopic dermatitis, recurrent aphthous stomatitis, systemic sclerosis, psoriasis, Sjögrens syndrome, Behçet's disease, pruritus, alopecia areata, primary cutaneous marginal zone B-cell lymphomas, vitiligo, chronic prurigo, multiformis, prurigo nodularis, leukocytoclastic vasculitis, prurigo pigmentosa, eczema nummulare, primary cutaneous MALT-type lymphoma, sublamina densa-type linear IgA bullous dermatosis, Sweet's syndrome, cutaneous T-cell pseudolymphoma and pemphigus vulgaris...
April 2017: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28564620/survivin-in-autoimmune-diseases
#16
REVIEW
G Gravina, C Wasén, M J Garcia-Bonete, M Turkkila, M C Erlandsson, S Töyrä Silfverswärd, M Brisslert, R Pullerits, K M Andersson, G Katona, M I Bokarewa
Survivin is a protein functionally important for cell division, apoptosis, and possibly, for micro-RNA biogenesis. It is an established marker of malignant cell transformation. In non-malignant conditions, the unique properties of survivin make it indispensable for homeostasis of the immune system. Indeed, it is required for the innate and adaptive immune responses, controlling differentiation and maintenance of CD4+ and CD8+ memory T-cells, and in B cell maturation. Recently, survivin has emerged as an important player in the pathogenesis of autoimmune diseases...
August 2017: Autoimmunity Reviews
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
#17
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
https://www.readbyqxmd.com/read/28270959/labial-fusion-a-rare-cause-of-urinary-retention-in-reproductive-age-woman-and-review-of-literature
#18
Emre Erdoğdu, Cem Demirel, Ali Emre Tahaoğlu, Arzu Özdemir
Labial fusion usually affects prepubertal girls and postmenopausal women, it may rarely occurs in reproductive years in the absence of predisposing factors such as vulvar infections, dermatitis, trauma, female circumcision and lichen sclerosis. Should be considered in differential diagnosis in the differential diagnosis of urinary retention even if the patient doesn't have history of sexual intercourse.
March 2017: Turkish Journal of Urology
https://www.readbyqxmd.com/read/28134725/sclerosing-dermatofibrosarcoma-protuberans-shows-significant-overlap-with-sclerotic-fibroma-in-both-routine-and-immunohistochemical-analysis-a-potential-diagnostic-pitfall
#19
Maram Yousef Odeh Abdaljaleel, Jeffrey P North
Dermatofibrosarcoma protuberans (DFSP) is an uncommon, low-to-intermediate grade sarcoma with several histologic variants, including pigmented (Bednar tumor), sclerosing, myxoid, atrophic, and DFSP with fibrosarcomatous changes. Two patterns of sclerosis in DFSP can be observed, a sclerotic fibroma-like pattern and a morphea/lichen sclerosus-like pattern. Partial biopsies of sclerosing DFSPs with the sclerotic fibroma pattern can be misdiagnosed as sclerotic fibroma or other benign sclerosing tumors (eg, perineurioma, dermatofibroma)...
February 2017: American Journal of Dermatopathology
https://www.readbyqxmd.com/read/27908374/effect-of-lichen-sclerosis-on-success-of-urethroplasty
#20
REVIEW
Michael A Granieri, Andrew C Peterson, Ramiro J Madden-Fuentes
Lichen sclerosis (LS) is a chronic, relapsing disease with a variable presentation. In men, genitourinary LS may affect the penile foreskin, glans, meatus, and urethra. Treatment is multifaceted, ranging from pharmacotherapy to surgery. Urethral reconstruction due to stricture disease from LS is frequently plagued by a high recurrence rate. At the authors' institution, the high recurrence rate has shifted their practice toward potent steroids and minimally invasive surgical techniques. Management of recurrence includes dilation, meatotomy/meatoplasty, 1-stage and 2-stage repairs...
February 2017: Urologic Clinics of North America
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