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https://www.readbyqxmd.com/read/28913304/trichilemmal-carcinoma-from-proliferating-trichilemmal-cyst-on-the-posterior-neck
#1
Ui Geon Kim, Dong Bee Kook, Tae Hun Kim, Chung Hun Kim
Trichilemmal cysts are common fluid-filled growths that arise from the isthmus of the hair follicle. They can form rapidly multiplying trichilemmal tumors-, also called proliferating trichilemmal cysts, which are typically benign. Rarely, proliferating trichilemmal cysts can become cancerous. Here we report the case of a patient who experienced this series of changes. The 27-year-old male patient had been observed to have a 1×1 cm cyst 7 years ago. Eight months prior to presentation at our institution, incision and drainage was performed at his local clinic...
March 2017: Arch Craniofac Surg
https://www.readbyqxmd.com/read/28912992/giant-conjunctival-nevus-in-a-12-year-old-child
#2
Edit Tóth-Molnár, Eszter Vizvári, Ákos Skribek, András Vörös
We describe a case of a giant conjunctival nevus presented in a 12-year-old girl with suspicious clinicomorphological appearance. The lesion was noticed by the parents at the age of 3 years as a "fleshy spot" on the bulbar conjunctiva. The lesion remained unchanged until approx. 6 months before recent admission. On slit-lamp examination, a large conjunctival lesion with variegate pigmentation and indistinct margins was detected on the superonasal part of the bulbar conjunctiva of the left eye. Intralesional cysts and vessels were detected with AS-OCT examination...
2017: Case Reports in Ophthalmological Medicine
https://www.readbyqxmd.com/read/28885326/melanoma-in-situ-of-penis-a-very-rare-entity-a-case-report-and-review-of-the-literature
#3
Roberto Baraziol, Mauro Schiavon, Eugenio Fraccalanza, Gioacchino De Giorgi
RATIONALE: Melanoma in situ of the penis is very rare and there are no clear guidelines for its surgical treatment. PATIENT CONCERNS: The authors describe the case of a 69-year-old man who presented with an asymptomatic brown macula on his glans penis and foreskin that appeared about 8 years earlier, enlarged in the last few months. DIAGNOSES: A diagnostic biopsy showed the characteristics of a melanoma in situ. INTERVENTIONS: The authors decided to excise the lesion keeping a healthy margin of 1 cm all over around except close to the urethral meatus, where it was impossible, and where only 5 mm of free margin was excised...
September 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28880245/evaluation-of-the-healing-potential-of-demineralized-dentin-matrix-fixed-with-recombinant-human-bone-morphogenetic-protein-2-in-bone-grafts
#4
Sang-Yun Kim, Young-Kyun Kim, Yeoung-Hyun Park, Joo-Cheol Park, Jeong-Kui Ku, In-Woong Um, Ji-Yun Kim
We aimed to evaluate the efficacy of demineralized dentin matrix (DDM) fixed with recombinant human bone morphogenetic protein-2 (rhBMP-2) through an experimental and a clinical study. Unilateral upper second and third premolars of eight beagles were extracted. A mucoperiosteal flap was elevated around the extraction socket, and a bone defect was made using a surgical drill. Each DDM was fixed with rhBMP-2, and autogenous bone was grafted at the bone defect area with a collagenous membrane. The beagles were euthanized at two, four, eight, and 12 weeks after receiving the bone graft...
September 7, 2017: Materials
https://www.readbyqxmd.com/read/28872767/one-hundred-twenty-five-fat-myringoplasties-does-marginal-perforation-matter
#5
Giuseppe Malafronte, Barbara Filosa
OBJECTIVE: to evaluate if calcified plaques adjacent to the perforation and marginal perforations are real contraindications to the fat graft myringoplasty. STUDY DESIGN: prospective study. METHODS: This study was conducted, from 1(st) January 2008 to 31 December 2015 at our Otolaryngology Department of S.G. Moscati Hospital. The investigation included 125 patients, 60 males and 65 females, affected by COM who have undergone fat graft myringoplasty between 01/01/2008 to 31/12/2011...
September 5, 2017: Clinical Otolaryngology
https://www.readbyqxmd.com/read/28872484/effect-of-xenon-anesthesia-compared-to-sevoflurane-and-total-intravenous-anesthesia-for-coronary-artery-bypass-graft-surgery-on-postoperative-cardiac-troponin-release-an-international-multicenter-phase-3-single-blinded-randomized-noninferiority-trial
#6
Jan Hofland, Alexandre Ouattara, Jean-Luc Fellahi, Matthias Gruenewald, Jean Hazebroucq, Claude Ecoffey, Pierre Joseph, Matthias Heringlake, Annick Steib, Mark Coburn, Julien Amour, Bertrand Rozec, Inge de Liefde, Patrick Meybohm, Benedikt Preckel, Jean-Luc Hanouz, Luigi Tritapepe, Peter Tonner, Hamina Benhaoua, Jan Patrick Roesner, Berthold Bein, Luc Hanouz, Rob Tenbrinck, Ad J J C Bogers, Bert G Mik, Alain Coiffic, Jochen Renner, Markus Steinfath, Helga Francksen, Ole Broch, Assad Haneya, Manuella Schaller, Patrick Guinet, Lauren Daviet, Corinne Brianchon, Sebastien Rosier, Jean-Jacques Lehot, Hauke Paarmann, Julika Schön, Thorsten Hanke, Joachym Ettel, Silke Olsson, Stefan Klotz, Amir Samet, Giedrius Laurinenas, Adrien Thibaud, Mircea Cristinar, Olivier Collanges, François Levy, Rolf Rossaint, Ana Stevanovic, Gereon Schaelte, Christian Stoppe, Nora Ait Hamou, Sarah Hariri, Astrid Quessard, Aude Carillion, Hélène Morin, Jacqueline Silleran, David Robert, Anne-Sophie Crouzet, Kai Zacharowski, Christian Reyher, Sonja Iken, Nina C Weber, Marcus Hollmann, Susanne Eberl, Giovanni Carriero, Daria Collacchi, Alessandra Di Persio, Olivier Fourcade, Stefan Bergt, Angela Alms
BACKGROUND: Ischemic myocardial damage accompanying coronary artery bypass graft surgery remains a clinical challenge. We investigated whether xenon anesthesia could limit myocardial damage in coronary artery bypass graft surgery patients, as has been reported for animal ischemia models. METHODS: In 17 university hospitals in France, Germany, Italy, and The Netherlands, low-risk elective, on-pump coronary artery bypass graft surgery patients were randomized to receive xenon, sevoflurane, or propofol-based total intravenous anesthesia for anesthesia maintenance...
September 5, 2017: Anesthesiology
https://www.readbyqxmd.com/read/28870982/understanding-the-effect-of-corticosteroid-pretreatment-in-brain-dead-organ-donors-new-mechanistic-insights-for-improvement-of-organ-quality-in-liver-transplantation
#7
Carola Dahrenmöller, Raymond Reding
Transplant surgeons are currently faced with the challenge to accept marginal liver transplants due to steatosis or old age. Improving organ quality by implementing a selective organ protective donor management could be the first step towards a graft of enhanced quality. However, the molecular mechanisms of such treatments are still poorly understood. Glucocorticoid medication in donor medicine has been carried out and discussed for a long time. In a recent study published in Clinical Science, Jiménez-Castro et al...
September 15, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28870676/hypothermic-oxygenated-perfusion-hope-for-fatty-liver-grafts-in-rats-and-humans
#8
P Kron, A Schlegel, L Mancina, P-A Clavien, P Dutkowski
BACKGROUND: Pretreatment of marginal organs by perfusion is a promising opportunity to consider more organs for transplantation. Protection of human DCD (donation after cardiac death) livers by a novel machine perfusion technique, hypothermic oxygenated perfusion (HOPE), was recently established. Here we tested in a rodent transplant model, whether HOPE is also useful for fatty liver grafts. METHODS: Rats were fed over 3 weeks with a special Methionine-Choline-Deficient-Diet (MCDD) to induce severe hepatic macrosteatosis (≥60%)...
September 1, 2017: Journal of Hepatology
https://www.readbyqxmd.com/read/28868311/occlusive-shrinkage-of-ovation-endograft-presenting-as-acute-lower-limb-ischemia-effective-endovascular-management
#9
Paolo Bianchi, Filippo Scalise, Andrea Mortara, Guido Lanzillo, Giuseppe Scardina, Santi Trimarchi, Gianfranco Parati, Valerio Tolva
The aim of this report is to describe the imaging and successful treatment of an acute shrinkage of the Ovation Abdominal Stent Graft System. The Ovation Prime system utilizes a polymer-filled sealing ring that is cast in situ at the margin of the aneurysm; however, the residual endograft inner volume after ring filling may reduce volume and graft flow. Nevertheless, there are no reports about severe complications using the Ovation Prime system. A 75-year-old male presented to our hospital for acute lower limb ischemia...
February 2017: Aorta (Stamford, Conn.)
https://www.readbyqxmd.com/read/28854965/adipose-stem-cells-from-chronic-pancreatitis-patients-improve-mouse-and-human-islet-survival-and-function
#10
Lili Song, Zhen Sun, Do-Sung Kim, Wenyu Gou, Charlie Strange, Huansheng Dong, Wanxing Cui, Gary Gilkeson, Katherine A Morgan, David B Adams, Hongjun Wang
BACKGROUND: Chronic pancreatitis has surgical options including total pancreatectomy to control pain. To avoid surgical diabetes, the explanted pancreas can have islets harvested and transplanted. Immediately following total pancreatectomy with islet autotransplantation (TP-IAT), many islet cells die due to isolation and transplantation stresses. The percentage of patients remaining insulin free after TP-IAT is therefore low. We determined whether cotransplantation of adipose-derived mesenchymal stem cells (ASCs) from chronic pancreatitis patients (CP-ASCs) would protect islets after transplantation...
August 30, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28854407/a-large-benign-phyllodes-tumour-of-the-breast-a-case-report-and-literature-review
#11
Zhiyan Yan, Mihir Gudi, Swee Ho Lim
INTRODUCTION: Phyllodes tumours are uncommon fibroepithelial lesions that typically grow up to 4cm in size but 10cm tumours known as giant phyllodes tumours have been described. We present a case report of a 20cm benign phyllodes tumour and a literature review. PRESENTATION OF CASE: A 54 years old lady with an enlarging left breast mass measuring 20cm of 6 months duration presented to our outpatient breast clinic. She also had an incidental right parotid lump. Core biopsy of the left breast mass returned as a cellular fibroepithelial lesion...
August 23, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28853214/long-term-evaluation-of-osteotome-sinus-floor-elevation-and-simultaneous-placement-of-implants-without-bone-grafts-10-year-radiographic-and-clinical-follow-up
#12
Janusz Caban, Robert Fermergård, Jahan Abtahi
BACKGROUND: Insertion of an implant in the edentulous posterior maxilla is a challenging procedure because of poor bone quality and increased pneumatization of the maxillary sinus after tooth extraction. To increase the amount of bone, several surgical bone grafting techniques have been used-with considerable morbidity for patients. Osteotome sinus floor elevation (OSFE) is a less invasive technique. The clinical and radiographic outcome of 53 implants placed with this technique without bone graft has been reported previously...
August 29, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/28851250/influence-of-external-beam-radiotherapy-on-the-properties-of-pmma-versus-silicone-induced-membranes-in-a-bilateral-segmental-bone-defect-in-rats
#13
Thomas Sagardoy, Camille Ehret, Reine Bareille, Jerome Benoit, Joëlle Amédée, Erwan De Mones
INTRODUCTION: Standard care for malignant tumors arising next to a bone structure is surgical removal with safety margins, followed by external beam radiotherapy (EBRT). Complete tumor removal can result in large bone defects. A two-step bone reconstruction technique using the induced membrane (IM) technique has proven its efficacy to bridge gap non-union. During the first step, a spacer is placed in the bone gap. The spacer then is removed and the IM around it is filled with autologous cancellous bone graft...
August 29, 2017: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/28846786/platelet-rich-plasma-myringoplasty-a-new-office-procedure-for-the-repair-of-small-tympanic-membrane-perforations
#14
Mohammad Waheed El-Anwar, Ismail Elnashar, Yaser Ahmad Foad
We conducted a prospective study to assess the effectiveness of a platelet-rich plasma hourglass graft in the repair of small tympanic membrane perforations as an office-based procedure. Our study population was made up of 25 patients-10 men and 15 women, aged 19 to 45 years (mean: 30.4 ± 7.2)-who each underwent repair of one eardrum. After administration of topical anesthesia, a single piece of platelet-rich plasma approximately double the size of the perforation was obtained from each patient's intravenous blood sample...
August 2017: Ear, Nose, & Throat Journal
https://www.readbyqxmd.com/read/28844052/multicentred-international-review-of-orbital-exenteration-and-reconstruction-in-oculoplastic-and-orbit-practice
#15
Ze Zhang, Son Ho, Vivian Yin, Gonzalo Varas, Saul Rajak, Peter J Dolman, Alan McNab, J Godfrey Heathcote, Alejandra Valenzuela
BACKGROUND: Orbital exenteration is a disfiguring procedure reserved for life-threatening malignancies. This study examines the clinical course and outcomes of a large series of patients who underwent orbital exenteration for malignant periocular neoplasms. METHODS: This is a retrospective review of patients who underwent orbital exenteration from 1 July 2005 to 30 June 2015 at four tertiary referral centres in the USA, Australia and Canada. Demographics, indication for surgery, pathology, surgical technique, reconstruction type and outcomes were reviewed...
August 26, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/28838522/resection-of-a-giant-cardiac-lymphovenous-malformation-involving-the-right-atrioventricular-groove
#16
Peter Chiu, Amanda Edmonson, Zachary E Brewer, Y Joseph Woo
Lymphovenous malformations of the heart are rare, and optimal management is uncertain. We present a case of a 39-year-old gentleman with a giant symptomatic lymphovenous malformation involving the right atrium, ventricle, and coronary artery. Radical resection was performed with replacement of the tricuspid valve and bovine pericardial reconstruction of the atrium and ventricle. Additional coronary artery bypass grafting was performed to the acute marginal and distal right coronary artery. Radical resection for this benign process is feasible and may be considered given the possibility of recurrence seen with lymphatic malformations of other parts of the body...
September 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28835428/oral-mucosal-grafting-combined-with-tenonplasty-for-ocular-surface-and-lid-margin-reconstruction-in-an-atypical-sectorial-chemical-burn
#17
Swati Singh, Purvasha Narang, Vikas Mittal
A 46-year-old woman presented with chemical injury in both eyes after the instillation of undefined eye-drops prescribed by quack. She had an atypical presentation in the form of bilateral severe necrosis of both lids and whole palpebral conjunctiva. Extensive debridement with conjunctival epitheliectomy, tenonplasty and amniotic membrane transplantation (AMT) was performed. Characteristic differences from typical chemical injuries were a sectorial involvement of ocular surface and keratinisation over distorted lid margins...
August 23, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28834072/a-severely-cholestatic-liver-graft-can-be-successfully-used-in-deceased-donor-liver-transplantation
#18
Seisuke Sakamoto, Kengo Sasaki, Hajime Uchida, Soichi Narumoto, Toshihiro Kitajima, Rie Irie, Akinari Fukuda, Takako Yoshioka, Mureo Kasahara
The shortage of deceased organs is still a serious issue in Japan. A proactive approach to using liver grafts from extended criteria donors (ECDs) may be one way of expanding the donor pool; however, if it is recklessly attempted, a recipient receiving such a marginal graft can be at risk of mortality due to the primary non-function or a delayed graft function. We herein report the successful outcome of a recipient receiving a severely cholestatic graft that was considered transplantable because it lacked features characteristic of a long duration of "cholestasis" according to the precise interpretation of a donor biopsy...
August 18, 2017: Hepatology Research: the Official Journal of the Japan Society of Hepatology
https://www.readbyqxmd.com/read/28833634/long-term-endothelial-dysfunction-after-trans-radial-catheterization-a-meta-analytic-approach
#19
Alexios S Antonopoulos, George Latsios, Evangelos Oikonomou, Konstantinos Aznaouridis, Aggelos Papanikolaou, Dimitris Syrseloudis, Gerasimos Siasos, Manolis Vavuranakis, Konstantinos Toutouzas, Dimitris Tousoulis
BACKGROUND: Following cardiac catheterization using radial artery (RA) access, persistent endothelial dysfunction may limit the use of RA as a conduit during coronary artery bypass graft (CABG) surgery. We reviewed published literature to investigate the effects of transradial coronary catheterization on RA endothelial function. METHODS: We searched PubMed from inception to April 2017 for published studies assessing RA endothelial function late (≥1 month) after coronary catheterization...
August 2017: Journal of Cardiac Surgery
https://www.readbyqxmd.com/read/28832239/pre-transplant-histology-does-not-improve-prediction-of-5-year-kidney-allograft-outcomes-above-and-beyond-clinical-parameters
#20
C Traynor, A Saeed, E O'Ceallaigh, A Elbadri, P O'Kelly, D G de Freitas, A M Dorman, P J Conlon, C M O'Seaghdha
Pre-implant kidney biopsy is used to determine suitability of marginal donor kidneys for transplantation. However, there is limited data examining the utility of pre-implant histology in predicting medium term graft outcome. This retrospective study examined kidney transplants over a 10-year period at a single center to determine if pre-implant histology can identify cases of eGFR ≤35 ml/min/1.73m(2) at 5 year follow up beyond a clinical predictive logistic regression model. We also compared outcomes of dual kidney transplants with standard single kidney transplants...
November 2017: Renal Failure
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