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https://www.readbyqxmd.com/read/29785324/-staphylococcus-aureus-is-the-most-common-bacterial-agent-of-the-skin-flora-of-patients-with-seborrheic-dermatitis
#1
Funda Tamer, Mehmet Eren Yuksel, Evren Sarifakioglu, Yavuz Karabag
Background: Seborrheic dermatitis is an inflammatory skin disease that affects 1-3% of the general population. The Malassezia species has been implicated as the main causative agent; however, the bacterial flora of the skin may also play role in the etiopathogenesis. Therefore, we investigated the most common bacterial agent of the skin flora of patients with seborrheic dermatitis. Materials and Methods: Fifty-one patients with seborrheic dermatitis and 50 healthy individuals are included in this study...
April 2018: Dermatology Practical & Conceptual
https://www.readbyqxmd.com/read/29785235/an-open-label-observational-study-evaluating-desoximetasone-topical-spray-0-25-in-patients-with-scalp-psoriasis
#2
Jerry Bagel, Elise Nelson
Objective: The goal of this study was to evaluate efficacy and safety of desoximetasone spray 0.25%, a topical corticosteroid, in the management of scalp and body psoriasis. Design: This was an open-label, observational study. Participants: Twenty adults aged 18 years or older with chronic scalp psoriasis present on at least 30 percent of the scalp surface area and an Investigator Global Assessment (IGA) scale score of scalp disease of at least 2 on a scale of 0 to 4 were included in the study. Measurements: Study spray was applied twice daily for four weeks, followed by 12 weeks of twice-daily application for two consecutive days weekly...
May 2018: Journal of Clinical and Aesthetic Dermatology
https://www.readbyqxmd.com/read/29784247/evaluation-of-the-head-helmet-sliding-properties-in-an-impact-test
#3
Antonia Trotta, Aisling Ní Annaidh, Roy Owen Burek, Bart Pelgrims, Jan Ivens
The scalp plays a crucial role in head impact biomechanics, being the first tissue involved in the impact and providing a sliding interface between the impactor and/or helmet and the skull. It is important to understand both the scalp-skull and the scalp-helmet sliding in order to determine the head response due to an impact. However, experimental data on the sliding properties of the scalp is lacking. The aim of this work was to identify the sliding properties of the scalp using cadaver heads, in terms of scalp-skull and scalp-liner (internal liner of the helmet) friction and to compare these values with that of widely used artificial headforms (HIII and magnesium EN960)...
May 18, 2018: Journal of Biomechanics
https://www.readbyqxmd.com/read/29783275/assessment-of-likelihood-ratio-for-four-contact-dermatitis-symptoms-of-vinca-minor
#4
Suman Bagchi, Chaturbhuja Nayak, Lex Rutten, Munmun Koley, Subhranil Saha, Mousumi Roy, Sk Jahir Abbas, Simantini Ghosh, Suman Halder, Ghulam Nabi Wani, Anaitulah Ahmad Mir, Showket Ahmad Bhat
BACKGROUND:  Contact dermatitis (CD) is a frequently occurring medical condition, for which Vinca minor (VM) is one of the recommended homeopathic medicines. However, the symptoms indicating this medicine have not yet been assessed systematically. Likelihood ratio (LR), based on Bayesian statistics, may yield better estimation of a medicine's indication than the existing method of entry of symptoms into materia medica and repertories. METHODS:  We investigated LRs of four CD symptoms of VM: (1) great sensitiveness of skin, with redness and soreness from slightest rubbing; (2) weeping eczema with foul, thick crusts; (3) itching amelioration in open air; and (4) CD of scalp...
May 21, 2018: Homeopathy: the Journal of the Faculty of Homeopathy
https://www.readbyqxmd.com/read/29781949/optn-vascularized-composite-allograft-vca-waiting-list-current-status-and-trends-in-the-united-states
#5
Jennifer L Wainright, Christopher L Wholley, Wida S Cherikh, Jennifer M Musick, David K Klassen
BACKGROUND: Vascularized Composite Allograft (VCA) transplantation is a developing area in the field of transplantation. METHODS: This study used Organ Procurement and Transplantation Network (OPTN) VCA waiting list and transplant data from July 3, 2014 through February 28, 2018 to characterize the OPTN VCA waiting list in terms of composition, removal patterns, waiting time, resulting transplants, and trends over time. RESULTS: Between implementation of the OPTN VCA waiting list on July 3, 2014 and February 28, 2018, 54 candidates - 53...
April 30, 2018: Transplantation
https://www.readbyqxmd.com/read/29781209/oral-phase-dysphagia-in-facial-onset-sensory-and-motor-neuronopathy
#6
Mitsuru Watanabe, Wataru Shiraishi, Ryo Yamasaki, Noriko Isobe, Motohiro Sawatsubashi, Ryuji Yasumatsu, Takashi Nakagawa, Jun-Ichi Kira
INTRODUCTION: Facial onset motor and sensory neuronopathy (FOSMN) is a rare disease whose cardinal features are initial asymmetrical facial sensory deficits followed by bulbar symptoms and spreading of sensory and motor deficits from face to scalp, neck, upper trunk, and upper extremities in a rostral-caudal direction. Although bulbar involvement is frequently observed in FOSMN, dysphagia in these patients has not been fully described. In this study, we aimed to characterize dysphagia as a prognostic factor in FOSMN by investigating our institutional case series...
May 21, 2018: Brain and Behavior
https://www.readbyqxmd.com/read/29781187/eeg-oscillations-during-caress-like-affective-haptic-elicitation
#7
Gaetano Valenza, Alberto Greco, Matteo Bianchi, Mimma Nardelli, Simone Rossi, Enzo Pasquale Scilingo
Noninvasive, objective quantitative techniques to gauge emotional states are fundamental for clinical psychology as they overcome subjective bias of currently used questionnaires. To this end, we investigated brain oscillatory EEG activity during caresslike, affective haptic elicitation conveyed on the forearm at two force (strength of the caress) and three velocity (velocity of the caress) levels. Thirty-two healthy subjects (16 female) were asked to assess each haptic stimulus in terms of arousal (i.e., intensity of emotional perception) and valence (i...
May 20, 2018: Psychophysiology
https://www.readbyqxmd.com/read/29780645/sustained-regression-of-hydroxycarbamide-induced-actinic-keratoses-after-switching-to-anagrelide
#8
Georgios Gaitanis, Dora Gougopoulou, Eleni Kapsali, Ioannis D Bassukas
Hydroxycarbamide (HC) is the first-line treatment for certain myeloproliferative neoplasms, such as polycythemia vera and essential thrombocytosis (ET). In a subset of these patients long-term treatment with HC can result in the development of confluent actinic keratoses (AK) followed by invasive keratinocytic carcinomas ("squamous dysplasia"), preferentially on sun-exposed skin. Discontinuation or dose reduction of HC may result in partial improvement. A 59-year-old farmer after 14 years on HC (2 gr/d) and acetylsalicylic acid (100 mg/d) for ET, was referred for numerous, hyperkeratotic AK on face, scalp, and hands that could not be controlled with repeated ( N = 15) cryosurgery sessions in the previous 3 years...
2018: Case Reports in Dermatological Medicine
https://www.readbyqxmd.com/read/29777174/how-does-blood-regulate-cerebral-temperatures-during-hypothermia
#9
Stephen Blowers, Ian Marshall, Michael Thrippleton, Peter Andrews, Bridget Harris, Iain Bethune, Prashant Valluri
Macro-modeling of cerebral blood flow can help determine the impact of thermal intervention during instances of head trauma to mitigate tissue damage. This work presents a bioheat model using a 3D fluid-porous domain coupled with intersecting 1D arterial and venous vessel trees. This combined vascular porous (VaPor) model resolves both cerebral blood flow and energy equations, including heat generated by metabolism, using vasculature extracted from MRI data and is extended using a tree generation algorithm...
May 18, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29776933/primary-cutaneous-osteosarcoma-of-the-scalp
#10
Yusra Al-Janabi, Khalid Al-Janabi, Kallirroi Tzafetta, Mahir Petkar
Primary cutaneous extraskeletal osteosarcoma (PCEO) is a rare malignant neoplasm with less than 20 cases reported in the literature to date. Presenting as a nodule or mass on the skin, commonly at sites of previous trauma or radiation, these lesions are differentiated from other neoplasms through their characteristic microscopic appearance. This report highlights a case of PCEO in a 75-year-old man with a history of squamous cell carcinoma (SCC) of the scalp. Histological examination of a scalp nodule in the region of a previously excised SCC revealed proliferation of osteoid surrounded by malignant osteocytes...
May 18, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29775916/cortisol-trajectory-melancholia-and-response-to-electroconvulsive-therapy
#11
Brian J Mickey, Yarden Ginsburg, Adam F Sitzmann, Clara Grayhack, Srijan Sen, Clemens Kirschbaum, Daniel F Maixner, James L Abelson
While biomarkers have been used to define pathophysiological types and to optimize treatment in many areas of medicine, in psychiatry such biomarkers remain elusive. Based on previously described abnormalities of hypothalamic-pituitary-adrenal (HPA) axis function in severe forms of depression, we hypothesized that the temporal trajectory of basal cortisol levels would vary among individuals with depression due to heterogeneity in pathophysiology, and that cortisol trajectories that reflect elevated or increasing HPA activity would predict better response to electroconvulsive therapy (ECT)...
May 15, 2018: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/29775401/electroencephalographic-signals-during-anesthesia-recorded-from-surface-and-depth-electrodes
#12
Ville Jäntti, Tuomo Ylinen, Narayan Puthanmadam Subramaniyam, Kotoe Kamata, Arvi Yli-Hankala, Pasi Kauppinen, Eila Sonkajärvi
Purpose - Anesthesiologists have increasingly started to use EEG based indexes to estimate the level and type of unconsciousness. However, the physiology and biophysics are poorly understood in anesthesiological literature. Methods - EEG was recorded from electrodes on the surface of head, including scalp, as well as DBS (deep brain stimulation) electrodes implanted deep in the brain. Mathematical modeling with a realistic head model was performed to create illustrative images of the sensitivity of electrode montages...
May 18, 2018: International Journal of Radiation Biology
https://www.readbyqxmd.com/read/29775146/setting-pressure-can-change-the-size-and-shape-of-mri-artifacts-caused-by-adjustable-shunt-valves-a-study-of-the-4-newest-models
#13
Daiki Uchida, Yuki Amano, Hirokazu Nakatogawa, Takayuki Masui, Naoto Ando, Teiji Nakayama, Haruhiko Sato, Tetsuro Sameshima, Tokutaro Tanaka
OBJECTIVE Adjustable shunt valves that have been developed for the management of hydrocephalus all rely on intrinsically magnetic components, and artifacts with these valves on MRI are thus inevitable. The authors have previously reported that the shapes of shunt artifacts differ under different valve pressures with the proGAV 2.0 valve. In the present study the authors compared the size and shape of artifacts at different pressure settings with 4 new-model shunt valves. METHODS The authors attached 4 new models of MRI-resistant shunt valve to the temporal scalp of a healthy volunteer: the proGAV 2...
May 18, 2018: Journal of Neurosurgery
https://www.readbyqxmd.com/read/29774573/multiple-acquired-smooth-muscle-hamartomas-with-2-different-muscle-components-on-scalp
#14
Sarina Jain, Sibasish Patro, Bhushan Darkase, Atul M Dongre, Uday S Khopkar
Smooth muscle hamartoma (SMH) is a benign hamartomatous condition that consists of a dermal proliferation of smooth muscle cells. We hereby report a case of multiple, acquired smooth muscle hamartomas on scalp. A 25-year old male had a 6-year history of multiple, asymptomatic, hyperpigmented plaques on scalp which have been progressively increasing in number and size. Histopathological examination revealed large thick walled blood vessels, in addition to the haphazardly arranged discrete smooth muscle bundles in the reticular dermis...
May 17, 2018: Journal of Cutaneous Pathology
https://www.readbyqxmd.com/read/29774540/conservative-thickness-layers-in-mohs-micrographic-surgery
#15
Stanislav N Tolkachjov, Jonathan A Cappel, Elizabeth A Bryant, Christopher B Harmon
BACKGROUND: Mohs micrographic surgery (MMS) is used to treat cutaneous malignancies in locations to maximize tissue sparing. The authors' aim is to demonstrate the utility of conservative thickness layers (CTL) in MMS and review patient and tumor characteristics and the potential anatomic locations where this technique may be most useful. METHODS: We performed a retrospective chart review of patients with tumors treated with CTL in MMS of 339 tumors, recording patient demographics, tumor characteristics, MMS stages for clearance, repairs, complications, and follow-up...
May 17, 2018: International Journal of Dermatology
https://www.readbyqxmd.com/read/29773781/clinicopathological-characteristics-of-traumatic-head-injury-in-juvenile-middle-aged-and-elderly-individuals
#16
Jiawen Wang, Feng Han, Qian Zhao, Bin Xia, Jialin Dai, Qian Wang, Shimei Huang, Cuiyun Le, Zhu Li, Jiangjin Liu, Ming Yang, Changwu Wan, Jie Wang
BACKGROUND Traumatic head injury is a leading cause of death and disability worldwide. How clinicopathological features differ by age remains unclear. This epidemiological study analyzed the clinicopathological features of patients with head injury belonging to 3 age groups. MATERIAL AND METHODS Data of patients with traumatic head injury were obtained from the Department of Cerebral Surgery of the Affiliated Hospital of Guizhou Medical University and the Guizhou Provincial People's Hospital in 2011-2015. Their clinicopathological parameters were assessed...
May 18, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29772426/hbcd-and-tbbpa-in-human-scalp-hair-evidence-of-internal-exposure
#17
Mandana Barghi, Eun-Su Shin, Sung-Deuk Choi, Reza Dahmardeh Behrooz, Yoon-Seok Chang
Human biomonitoring is a reliable method for evaluating human exposure to specific contaminants. Although blood is an ideal matrix for monitoring purposes, it is regarded as an invasive matrix. Therefore, current developments in the field of human biomonitoring are based on introducing new methods that use non-invasive matrices, such as hair. In this study, we examined the efficiencies of several extraction methods for the analysis of hexabromocyclododecane (HBCD) and tetrabromobisphenol-A (TBBPA) in human hair...
May 7, 2018: Chemosphere
https://www.readbyqxmd.com/read/29771825/complex-scalp-and-calvarium-defects-after-giant-basal-cell-carcinoma-excision-management-challanges-outcomes
#18
Utku Ozcan, Mustafa Akyurek, Emrah Arslan
Giant basal cell carcinoma (GBCC) is defined as a tumor ≥5 cm in diameter. GBCC of scalp usually requires extended resection of soft tissues, calvarium, and dura. In this study, we present 5 patients with GBCC of head, who underwent a single-stage combined scalp, calvarium, and dural reconstruction. Herein, we aim to discuss reconstruction methods, cerebrospinal fluid (CSF) leakage, duration of hospital stay, and tumor recurrency. Peroperative and postoperative follow-ups, defect areas, and performed calvarium reconstruction methods of 5 patients, who underwent complex scalp and calvarium reconstruction after GBCC between year 2010 and 2017, were retrospectively maintained...
May 15, 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29771041/-analysis-of-118-cases-of-benign-paroxysmal-positional-vertigo-after-trauma
#19
H L Xue, C X Li, L X Duan, Y L Jing
Objective: The aim of this study is to retrospective analysis the clinic features of 118 cases of benign paroxysmal positional vertigo after trauma. Method: Analyzes clinic features of injury in 118 cases of benign paroxysmal positional vertigo after trauma, and classified and localized the craniocerebral trauma. The 118 cases were tested with different positioning tests in the sequence of Dix hallpike test and rolling test. Then, proper otolith manual reduction was given. Result: In 118 cases of BPPV after trauma including 35 cases of skull fracture, 6 cases of concussion, 17 cases of scalp hematoma, 28 cases of scalp laceration, 14 cases of mild brain contusion and 18 cases of head combined injury...
May 20, 2017: Journal of Clinical Otorhinolaryngology, Head, and Neck Surgery
https://www.readbyqxmd.com/read/29770335/the-significance-of-scalp-involvement-in-pemphigus-a-literature-review
#20
REVIEW
Marta Sar-Pomian, Lidia Rudnicka, Malgorzata Olszewska
Scalp is a unique location for pemphigus because of the abundance of desmogleins localized in hair follicles. Scalp involvement is observed in up to 60% of patients in the course of pemphigus. The lesions may occasionally lead to alopecia. Unforced removal of anagen hairs in a pull test is a sign of high disease activity. Direct immunofluorescence of plucked hair bulbs is considered a reliable diagnostic method in patients with pemphigus. Follicular acantholysis is a characteristic histopathological feature of pemphigus lesions localized on the scalp...
2018: BioMed Research International
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