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https://www.readbyqxmd.com/read/29781542/diversity-of-staphylococcus-pseudintermedius-in-carriage-sites-and-skin-lesions-of-dogs-with-superficial-bacterial-folliculitis-potential-implications-for-diagnostic-testing-and-therapy
#1
Rikke Friis Larsen, Lene Boysen, Lisbeth Rem Jessen, Luca Guardabassi, Peter Damborg
BACKGROUND: Staphylococcus pseudintermedius is genotypically diverse within the canine population and multiple strains may colonize individual dogs at any given time. If multiple strains with distinct antimicrobial resistance profiles are present in superficial bacterial folliculitis (SBF), sampling a single skin lesion for culture and antimicrobial susceptibility testing (AST) might be inadequate to select effective therapy. HYPOTHESIS/OBJECTIVES: To investigate S...
May 21, 2018: Veterinary Dermatology
https://www.readbyqxmd.com/read/29780007/hidradenitis-suppurativa-metabolic-syndrome-and-demodex-spp-infestation
#2
Emine Ünal, Ulviye Güvendi Akçınar, Ayşe Arduç
Hidradenitis suppurativa (HS) is a chronic inflammatory skin disease. This type of dermatosis with underlying chronic inflammation significantly affects the quality of life and may be accompanied by many comorbidities. In this case, Demodex spp. was associated with treatment-resistant and persistent course of skin diseases. A 46-year-old female patient applied to our clinic with complaints of lesions on the body and hip. Her dermatological examination revealed abscess formation and post-inflammatory pigmentation...
May 21, 2018: Türkiye Parazitolojii Dergisi
https://www.readbyqxmd.com/read/29777542/perforating-folliculitis-in-association-with-liver-impairment-in-a-patient-with-chronic-ductopenic-rejection-of-liver-transplant
#3
L Steele, M C Wilmot, R Mokbel, J Carton, S Wakelin
No abstract text is available yet for this article.
May 19, 2018: Clinical and Experimental Dermatology
https://www.readbyqxmd.com/read/29771872/outbreaks-associated-with-treated-recreational-water-united-states-2000-2014
#4
Michele C Hlavsa, Bryanna L Cikesh, Virginia A Roberts, Amy M Kahler, Marissa Vigar, Elizabeth D Hilborn, Timothy J Wade, Dawn M Roellig, Jennifer L Murphy, Lihua Xiao, Kirsten M Yates, Jasen M Kunz, Matthew J Arduino, Sujan C Reddy, Kathleen E Fullerton, Laura A Cooley, Michael J Beach, Vincent R Hill, Jonathan S Yoder
Outbreaks associated with exposure to treated recreational water can be caused by pathogens or chemicals in venues such as pools, hot tubs/spas, and interactive water play venues (i.e., water playgrounds). During 2000-2014, public health officials from 46 states and Puerto Rico reported 493 outbreaks associated with treated recreational water. These outbreaks resulted in at least 27,219 cases and eight deaths. Among the 363 outbreaks with a confirmed infectious etiology, 212 (58%) were caused by Cryptosporidium (which causes predominantly gastrointestinal illness), 57 (16%) by Legionella (which causes Legionnaires' disease, a severe pneumonia, and Pontiac fever, a milder illness with flu-like symptoms), and 47 (13%) by Pseudomonas (which causes folliculitis ["hot tub rash"] and otitis externa ["swimmers' ear"])...
May 18, 2018: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/29769784/nilotinib-induced-perforating-folliculitis-two-cases
#5
Neerja Saraswat, Ajay Chopra, Debdeep Mitra, Krishna Talukdar
Cutaneous adverse effects of chemotherapy are widely known but underreported. A significant advancement is made in the field of oncology with the advent of new classes of drug being added to the existing classes at a fast pace. Most of these cutaneous adverse effects are self-limiting and subsides on suspending the drug either temporarily or permanently. Some of these effects are merely overlooked by the patients and the treating physician hence goes un-noticed. Nilotinib is a newer second-generation tyrosine-kinase inhibitor approved for the management of chronic myeloid leukemia...
March 2018: International Journal of Trichology
https://www.readbyqxmd.com/read/29765960/lichen-planopilaris-with-pustules-a-diagnostic-challenge
#6
Karina L Morais, Cintia F Martins, Alessandra Anzai, Neusa Y S Valente, Ricardo Romiti
Introduction: Lichen planopilaris (LPP) is a lymphocytic primary cicatricial alopecia presenting with scarring hair loss and variable degrees of perifollicular erythema and scaling. Pustules are infrequent and may mimic folliculitis decalvans (FD) and other forms of neutrophilic alopecia. We present a series of LPP cases with pustules and discuss the importance of differentiating them from primary neutrophilic folliculitis. Materials and Methods: Demographic, clinical, histopathological, and follow-up data of 13 cases of LPP with pustules followed at the Department of Dermatology of the University of São Paulo Medical School were described...
April 2018: Skin Appendage Disorders
https://www.readbyqxmd.com/read/29756421/survey-of-cutaneous-adverse-reactions-to-targeted-cancer-therapies-value-of-dermatological-advice
#7
Giovanni Damiani, Ausilia Manganoni, Simone Cazzaniga, Luigi Naldi
BACKGROUND: Target-therapy offers a better efficacy for several cancers, with less toxic adverse effects, if compared with traditional chemotherapy. However cutaneous complications are increased in number and complexity. The severity of these reactions positively correlates with efficacy, and the management of these reactions is challenging. METHODS: This was a multicenter cross-sectional study on a consecutive series of adult patients with incident cutaneous reactions linked to targeted cancer therapies observed in five referral centers for cancer treatment in the province of Bergamo and Brescia in northern Italy...
May 11, 2018: Giornale Italiano di Dermatologia e Venereologia: Organo Ufficiale, Società Italiana di Dermatologia e Sifilografia
https://www.readbyqxmd.com/read/29741524/disseminated-herpes-simplex-virus-a-case-of-eczema-herpeticum-causing-viral-encephalitis
#8
C Finlow, J Thomas
Eczema herpeticum is a dermatological emergency causing a mortality of up to 10% if untreated. It frequently presents in a localised form and rarely disseminates via haematogenous spread with pulmonary, hepatic, ocular and neurological manifestations. Although it commonly appears on a background of atopic dermatitis, many other dermatological conditions have been described preceding this disease. Eczema herpeticum can be easily mistaken for folliculitis and is often treated accordingly with antibacterial drugs; therefore patients will often deteriorate before a diagnosis of eczema herpeticum has been considered...
March 2018: Journal of the Royal College of Physicians of Edinburgh
https://www.readbyqxmd.com/read/29686577/majocchi-granuloma-presenting-as-a-verrucous-nodule-of-the-lip
#9
Ritu Swali, Elmira Ramos-Rojas, Stephen Tyring
We present a case of Majocchi granuloma, a deep folliculitis, on the lip of a healthy 41-year-old man. The patient was successfully treated with systemic and topical antifungal medications. Correct diagnosis of this rare condition is needed, since misdiagnosis as an inflammatory dermatitis and treatment using topical corticosteroids can lead to dissemination of the infection.
January 2018: Proceedings of the Baylor University Medical Center
https://www.readbyqxmd.com/read/29661122/lymphocytic-mural-folliculitis-resembling-epitheliotropic-lymphoma-in-tigers-panthera-tigris
#10
Mee-Ja M Sula, Linda A Frank, Edward C Ramsay
A striking form of lymphocytic mural folliculitis is described in 6 tigers ( Panthera tigris). Clinically, all tigers exhibited regionally extensive chronic, variably waxing and waning alopecia with minimal scaling and crusting most pronounced over the head, neck, and shoulders. More severely affected tigers exhibited marked hyperpigmentation and lichenification. Pruritus was not a feature. Tigers generally lacked signs of systemic illness and clinical pathology findings were unremarkable. Histologic examination of skin biopsies revealed infiltrative lymphocytic mural folliculitis extending the length of the hair follicle...
January 1, 2018: Veterinary Pathology
https://www.readbyqxmd.com/read/29587518/prospective-controlled-trial-for-the-treatment-of-acne-keloidalis-nuchae-with-a-long-pulsed-neodymium-doped-yttrium-aluminum-garnet-laser
#11
Denise K Woo, German Treyger, Marsha Henderson, Richard H Huggins, Diane Jackson-Richards, Iltefat Hamzavi
BACKGROUND: Acne keloidalis nuchae (AKN) is a chronic scarring folliculitis with limited interventions of both high efficacy and low morbidity. OBJECTIVE: To assess the efficacy of the long-pulsed 1064-nm neodymium-doped yttrium-aluminum-garnet (Nd:YAG) laser and topical steroids as a treatment for AKN compared to topical steroids alone. METHODS: We conducted a single-blinded, randomised, within-patient right-left controlled trial (n = 13)...
March 2018: Journal of Cutaneous Medicine and Surgery
https://www.readbyqxmd.com/read/29573406/th17-treg-imbalance-in-hidradentitis-suppurativa-acne-inversa-the-link-to-hair-follicle-dissection-obesity-smoking-and-autoimmune-comorbidities
#12
REVIEW
B C Melnik, S M John, W Chen, G Plewig
BACKGROUND: Disintegration of the infundibula of terminal hair follicles (HF) in intertriginous skin areas exhibits the histological hallmark of hidradenitis suppurativa (HS)/acne inversa, featuring a dissecting terminal hair folliculitis. Elevated serum levels of interleukin 17 and local increase in the ratio of proinflammatory Th17 cells and antiinflammatory regulatory T cells (Tregs) have been reported. Perifollicular Tregs play a key role for HF stem cell homeostasis and infundibular integrity...
March 24, 2018: British Journal of Dermatology
https://www.readbyqxmd.com/read/29566923/cutaneous-infections-in-the-mature-patient
#13
Maria Cristina Ribeiro de Castro, Marcia Ramos-E-Silva
Dermatologists must be familiar with the peculiarities of the micro-organisms that may affect the elderly, in order to optimize the diagnosis and treatment of infections, which may affect their skin, especially because the world population is rapidly aging. It is estimated that there will be 434 million individuals over 80 years of age in 2050. Since the elderly population is rapidly increasing and their infections are usually more severe and different from those observed in younger adults, it leads to a statistical increase of the rates regarding hospitalization and mortality caused by infectious diseases among people over 85 years...
March 2018: Clinics in Dermatology
https://www.readbyqxmd.com/read/29548863/scalp-as-a-donor-site-in-children-is-it-really-the-best-option
#14
G van Niekerk, S Adams, H Rode
BACKGROUND: Since 2003 we have used the scalp as a donor site for split skin grafts (SSGs) in major burns when there was a shortage of conventional donor areas. However, we seen a high incidence of complications, contrary to international experience. OBJECTIVE: The aim of this study was to analyze the results and complications related to the scalp as a donor site and to determine whether there is an association between our specific patient population and the complications encountered...
March 13, 2018: Burns: Journal of the International Society for Burn Injuries
https://www.readbyqxmd.com/read/29542810/inflammasome-activation-characterizes-lesional-skin-of-folliculitis-decalvans
#15
Alexia Eyraud, Brigitte Milpied, Denis Thiolat, Anne-Sophie Darrigade, Katia Boniface, Alain Taïeb, Julien Seneschal
Folliculitis decalvans (FD) is a chronic inflammatory disease leading to scarring alopecia with poorly defined pathogenesis. The aim of this study was to investigate the expression of markers associated with the activation of innate immune signals, such as inflammasome (NALP1 and NALP3), interleukin (IL)-1β and IL-8 and type I interferon (MxA). A retrospective monocentric study was conducted and included 17 patients with FD with available biopsies. Disease activity (stable vs. active) was defined clinically and histologically...
March 15, 2018: Acta Dermato-venereologica
https://www.readbyqxmd.com/read/29529119/primary-cutaneous-follicle-center-lymphoma-mimicking-folliculitis
#16
Ramya Chockalingam, Savina Aneja, Anisha B Patel
Primary cutaneous follicle center lymphoma (PCFCL) is the most common type of cutaneous B-cell lymphoma. The cutaneous manifestations of PCFCL typically include solitary erythematous or violaceous plaques, nodules, or tumors of varying sizes. Grouped lesions also may be observed, but multifocal disease is rare. We report the case of a 54-year-old woman diagnosed with PCFCL with an unusual clinical presentation resembling folliculitis or Grover disease. Histologic studies demonstrated extensive lymphoma cells in a nodular and diffuse pattern...
January 2018: Cutis; Cutaneous Medicine for the Practitioner
https://www.readbyqxmd.com/read/29498111/skin-lesions-in-aubrac-cows-strongly-associated-with-fly-bites-haematobia-irritans
#17
Marion Mosca, Murielle Vabret, Pia Randleff-Rasmussen, Didier Pin
BACKGROUND: The horn fly Haematobia irritans is known to cause problems in cattle including weight loss and decreased milk production; cutaneous lesions have not been widely reported and descriptions of the clinical manifestations are quite variable. HYPOTHESIS/OBJECTIVES: This study describes the clinical and histopathological lesions of several Aubrac cows that presented with focal to confluent areas of alopecia, skin scaling and thickening, suspected to be induced by H...
March 1, 2018: Veterinary Dermatology
https://www.readbyqxmd.com/read/29489051/the-depth-of-follicular-extension-in-actinic-keratosis-correlates-with-the-depth-of-invasion-in-squamous-cell-carcinoma-implication-for-clinical-treatment
#18
M T Fernández-Figueras, X Saenz-Sardà, P Vargas, C T Thompson, C Carrato, L Puig, C Ferrándiz, A Ariza
BACKGROUND: Actinic keratosis (AK) may show extension down follicles, not only in cases with full-thickness epidermal atypia ('bowenoid' AK), but also in cases with atypia limited to the epidermal basalis. Previous studies have demonstrated that, in bowenoid AK, follicular extension is usually superficial, being limited to the upper follicular segment. Little is known about the depth of follicular involvement in cases of invasive squamous cell carcinoma of the skin (iSCC) arising from AK and the role of the follicle in iSCC pathogenesis...
February 28, 2018: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/29488088/the-presence-of-occipital-hair-in-the-pilonidal-sinus-cavity-a-triple-approach-to-proof
#19
Dietrich Doll, F Bosche, A Hauser, P Moersdorf, I Sinicina, J Grunwald, F Reckel, M M Luedi
PURPOSE: Hair in the pilonidal sinus is not growing within the sinus cavity, as hair follicles are not present there. Not few pilonidal patients do not have intergluteal hair, which is said to be the causative agent of folliculitis and pilonidal genesis. So, what is the real source of the hair forming the typical pilonidal hair nest? METHODS: A trifold approach was used: First, axial hair strength testing of pilonidal hair and body hair harvested from head, lower back (glabella sacralis), and cranial third of intergluteal fold...
May 2018: International Journal of Colorectal Disease
https://www.readbyqxmd.com/read/29484711/in-vivo-characterization-of-pustules-in-malassezia-folliculitis-by-reflectance-confocal-microscopy-and-optical-coherence-tomography-a-case-series-study
#20
A J B Andersen, C Fuchs, M Ardigo, M Haedersdal, M Mogensen
BACKGROUND AND OBJECTIVE: Malassezia Folliculitis (MaF) is an inflammatory condition of hair follicles caused by Malassezia yeast. Optical coherence tomography (OCT) and reflectance confocal microscopy (RCM) are imaging technologies enabling in vivo visualization of superficial skin layers. This study explores morphology of pustules in MaF imaged by OCT and RCM. METHODS: Patients with microscopically verified MaF were included in this case series. Morphology was evaluated qualitatively with RCM and OCT, focusing on shape, border and content of selected pustules...
February 27, 2018: Skin Research and Technology
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