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https://www.readbyqxmd.com/read/28231577/response-evaluation-in-head-and-neck-oncology-definition-and-prediction
#1
T K Hoffmann, P J Schuler, S Laban, R Grässlin, M Beer, A J Beer, U Friebe-Hoffmann, L Bullinger, P Möller, T Wiegel
Curative treatment of head and neck squamous cell carcinoma includes surgery and/or (chemo)radiation, whereas in the palliative setting, chemotherapy and/or immunotherapy represent(s) the standard approach. With regard to quality control, methods for determining treatment response are sorely needed. For surgical therapy, histopathology is the standard quality control. Established criteria for high-risk patients include resection margins of the primary tumor and extracapsular extension of lymph node metastases...
February 24, 2017: ORL; Journal for Oto-rhino-laryngology and its related Specialties
https://www.readbyqxmd.com/read/28226511/characterization-of-thrombus-stiffening-in-radio-frequency-rf-mechanical-thrombectomy
#2
Chris C H Chon, Jack Z Qin, John C K Kwok, David C C Lam, Chris C H Chon, Jack Z Qin, John C K Kwok, David C C Lam, David Cc Lam, Chris Ch Chon, John Ck Kwok, Jack Z Qin
Intra-arterial mechanical thrombectomy (IAMT) for ischemic stroke has high recanalization rate, long treatment time window and low risk of symptomatic intracerebral haemorrhage (sICH), but thrombus fragments produced during treatment can lead to distal embolization. Fragmentation can be reduced if the thrombus is strengthened by increasing the thrombus's crosslink density. Radio frequency (rf) electric current commonly used in surgery to cut and coagulate tissue can induce crosslinking in thrombus. The increase in thrombus stiffness as a result of the increase in crosslinking from rf treatment is characterized in this study...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28211283/gallstone-ileus-presenting-as-obstructive-gangrenous-appendicitis
#3
José Cruz-Santiago, Giuseppe Briceño-Sáenz, Javier García-Álvarez, José Luis Beristain-Hernández
We present the very unusual case of a 38-year-old woman with acute appendicitis and intestinal obstruction. During surgery, a 2.5 cm gallstone impacted at the base of the cecal appendix was found as the cause of a gangrenous appendicitis and obstruction; a choledochal-duodenal fistula was found during the same surgery with no gallstones remaining in the gallbladder or elsewhere. The case was managed by appendectomy with retrieval of the gallstones and no other procedure was performed for the gallbladder or the fistula, since no other gallstone was found on examination...
February 2017: Revista Española de Enfermedades Digestivas
https://www.readbyqxmd.com/read/28192045/radio-transmitter-implantation-and-movement-in-the-wild-timber-rattlesnake-crotalus-horridus
#4
Vanessa Hale, Brian MacGowan, Lorraine Corriveau, David Huse, Andrea F T Currylow, Steve Thompson
Radiotelemetry transmitters have become critical to studies of wildlife ecology. However, little is known about how transmitter implantation surgery affects the mobility of some species, including the timber rattlesnake, Crotalus horridus . Tracking snake movement can provide insights into the effects of transmitter implantation. During 2007-2011, 71 radio transmitters were surgically implanted intracoelomically in 47 timber rattlesnakes. Over 20 of these snakes underwent surgery at least twice in 5 yr to replace old transmitters...
February 13, 2017: Journal of Wildlife Diseases
https://www.readbyqxmd.com/read/28188362/comparing-renal-function-preservation-after-laparoscopic-radio-frequency-ablation-assisted-tumor-enucleation-and-laparoscopic-partial-nephrectomy-for-clinical-t1a-renal-tumor-using-a-3d-parenchyma-measurement-system
#5
Liangsong Zhu, Guangyu Wu, Jiwei Huang, Jianfeng Wang, Ruiyun Zhang, Wen Kong, Wei Xue, Yiran Huang, Yonghui Chen, Jin Zhang
PURPOSE: To compare the renal function preservation between laparoscopic radio frequency ablation assisted tumor enucleation and laparoscopic partial nephrectomy. METHODS: Data were analyzed from 246 patients who underwent laparoscopic radio frequency ablation assisted tumor enucleation and laparoscopic partial nephrectomy for solitary cT1a renal cell carcinoma from January 2013 to July 2015. To reduce the intergroup difference, we used a 1:1 propensity matching analysis...
February 10, 2017: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/28183230/arthroscopic-assisted-tendon-reconstruction-for-triangular-fibrocartilage-complex-irreparable-tears
#6
R Luchetti, A Atzei
We report our 11-year experience of performing arthroscopically assisted triangular fibrocartilage complex reconstruction in the treatment of chronic distal radio-ulnar joint instability resulting from irreparable triangular fibrocartilage complex injuries. Eleven patients were treated. Three skin incisions were made in order to create radial and ulna tunnels for passage of the tendon graft, which is used to reconstruct the dorsal and palmar radio-ulnar ligaments, under fluoroscopic and arthroscopic guidance...
February 1, 2017: Journal of Hand Surgery, European Volume
https://www.readbyqxmd.com/read/28176976/the-importance-of-surgery-as-part-of-multimodal-therapy-in-rapid-progressive-primary-extraosseous-ewing-sarcoma-of-the-cervical-intra-and-epidural-space
#7
Richard Bostelmann, Mario Leimert, Hans Jakob Steiger, Kristin Gierga, Athanasios K Petridis
Primary extraosseous Ewing sarcomas (EESs) are an extremely rare pathological entity. Less than 32 cases have been reported in the literature. Here we report an uncommon case with very rapid progression in the cervical region with extra- and intradural involvement. We present a thorough review of the literature and discuss possible treatment modalities. The Medline database was searched using the search terms: Ewing sarcoma, extraosseus tumour, treatment, management, cervical spine. A previously healthy 29-year-old man complained of right-sided radiculopathy (C7)...
October 24, 2016: Clinics and Practice
https://www.readbyqxmd.com/read/28171697/eus-guided-tumor-ablation
#8
REVIEW
Sundeep Lakhtakia, Dong-Wan Seo
Real-time guidance of needle advancement has transformed Endoscopic Ultrasound from a diagnostic to an interventional procedure. EUS guided fine needle puncture has application in various interventional procedures (drainage of pseudocyst, biliary intervention, and injection of drugs). Celiac plexus or ganglion neurolysis for pain control is the major current EUS-guided fine-needle injection procedure. Feasibility and safety to accurately position needle devices and/or inject under real time EUS imaging with precise delivery of interventional agent have expanded the use of EUS to ablate tumor...
February 7, 2017: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/28151913/factors-predicting-surgical-site-infection-after-posterior-lumbar-surgery-a-multicenter-retrospective-study
#9
MULTICENTER STUDY
Tao Wang, Hui Wang, Da-Long Yang, Li-Qiang Jiang, Li-Jun Zhang, Wen-Yuan Ding
This is a retrospective study.The purpose of this study is to explore incidence and risk factors for surgical site infection (SSI) after posterior lumbar surgery.SSI is a common complication after posterior lumbar surgery, bringing mental and physical pain and prolonging hospital stay. However, predisposing factors, as reported less, remain controversial.Patients who underwent posterior lumbar surgery at 3 centers between 2006 and 2016 were included. The possible factors include 3 aspects: demographic variables-age, sex, body mass index (BMI), waist-to-hip radio (WHR), hypertension, diabetes, heart disease, smoking, drinking, steroidal injection, surgical time between June and September, preoperative shower; blood test variables-white blood cell (WBC), neutrophil, red blood cell (RBC), hemoglobin (Hb), total protein (TP), albumin, albumin/globulin (A/G), C-reactive protein (CRP), procalcitonin (PCT), erythrocyte sedimentation rate (ESR) and surgical related variables-operation time, blood loss, operative level, instrumentation, incision length...
February 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28127182/growing-teratoma-syndrome
#10
REVIEW
S P Kataria, Ankur Nandan Varshney, Mukesh Nagar, A K Mandal, Vidya Jha
Growing teratoma syndrome, a disease characterized by presence of benign metastasis increasing in size and number after chemotherapy, is infrequent occurrence. Being unfamiliar with the disease entity, many oncologists misinterpret it as disease progression. Though the exact etio-pathognesis of the disease is still unidentified, but clinical characteristics are well defined. Being a chemo and radio-resistant disease, surgery offers only cure. We present a case of ovarian immature teratoma, who after chemotherapy presented with increased tumor size...
March 2017: Indian Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28123916/stereotactic-body-radiotherapy-for-inoperable-liver-tumors-results-of-a-single-institutional-experience
#11
Hussam Hijazi, Marie-Pierre Campeau, David Roberge, David Donath, Real Lapointe, Franck Vandenbroucke-Menu, Daniel Taussky, Karim Boudam, Gabriel Chan, Alexis Bujold, Guila Delouya
OBJECTIVES: Stereotactic body radiation therapy (SBRT) is an emerging treatment option for liver tumors unsuitable for ablation or surgery. We report our experience with SBRT in the treatment of liver tumors. MATERIALS AND METHODS: Patients with primary or secondary liver cancer were identified in our local SBRT database. Patients were included irrespective of prior liver-directed therapies. The primary endpoint of our review was in-field local control (LC). Secondary endpoints were progression-free survival (PFS), overall survival (OS), and toxicity...
December 20, 2016: Curēus
https://www.readbyqxmd.com/read/28122791/repair-of-challenging-non-malignant-tracheo-or-broncho-oesophageal-fistulas-by-extrathoracic-muscle-flaps
#12
Petra Rosskopfova, Jean Yannis Perentes, Markus Schäfer, Thorsten Krueger, Alban Lovis, Gian Dorta, Moira Baeriswyl, Hans-Beat Ris, Michel Gonzalez
OBJECTIVES: Evaluation of complex, acquired, non-malignant tracheo/broncho-oesophageal fistulas (TEF) repaired by extrathoracic pedicled muscle flaps that were, in addition to their interposition between the airways and the gastro-intestinal tract, patched into gastro-intestinal or airway defects if primary closure seemed risky. METHODS: A single institution experience of patients treated between 2003 and 2015. Twenty-two patients required TEF repair following oesophageal surgery (18), Boerhaave syndrome (1), chemotherapy for mediastinal lymphoma (1), carinal resection and irradiation (1) and laryngectomy (1); 64% of them underwent prior radio- or chemotherapy and 50% prior airway or oesophageal stenting...
January 25, 2017: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/28120772/an-unusual-pituitary-stalk-lesion-what-is-the-place-of-surgery
#13
J Todeschi, S Chibbaro, J-B Clavier, B Lhermitte, B Goichot, F Proust
BACKGROUND: Sellar and suprasellar primary melanocytic tumors are exceptional occurrences. Besides the difficulty of differential diagnosis between a primary and secondary lesion, treatment of these pathologies is still unclear and controversial. CASE REPORT: We describe the case of a 36-year-old woman with no relevant previous medical history who presented with 1 month history of diabetes insipidus, blurred vision and generalized weakness; a brain MRI disclosed an atypical pituitary stalk lesion; initially the tumor was biopsied through an endonasal endoscopic approach that revealed a melanocytic tumor; the patient was afterwards managed by a second stage extended endonasal endoscopic approach achieving a subtotal tumor removal...
December 2016: Neuro-Chirurgie
https://www.readbyqxmd.com/read/28120073/complications-in-craniovertebral-junction-instrumentation-hardware-removal-can-be-associated-with-long-lasting-stability-personal-experience
#14
Massimiliano Visocchi, Pier Paolo Mattogno, Francesco Signorelli, Jun Zhong, Gerardo Iacopino, Giuseppe Barbagallo
BACKGROUND: The causes of craniovertebral junction (CVJ) instabilities include trauma, rheumatological diseases, tumors, infections, congenital malformations, and degenerative disease processes; these complex pathologies often require CVJ instrumentation. Hardware complications were analyzed in a personal series of 48 treated patients. In light of the analysis of very unusual radiological and clinical findings, the authors tried to better investigate the related mechanisms and to reach possible useful conclusions...
2017: Acta Neurochirurgica. Supplement
https://www.readbyqxmd.com/read/28118035/is-the-outcome-at-surgery-different-when-flat-epithelial-atypia-and-lobular-neoplasia-are-found-in-association-at-biopsy
#15
Mona El Khoury, Lilia Maria Sanchez, Lucie Lalonde, Isabelle Trop, Julie David, Benoît Mesurolle
OBJECTIVES: To assess the impact on the final outcome at surgery of Flat Epithelial Atypia (FEA) when found concomitantly with Lobular Neoplasia (LN) in biopsy specimens, compared to pure biopsy proven FEA. METHODS: Institutional review board approval was obtained. A retrospective review of our database between 2009 and 2013 identified eighty-one women (mean age 54, range 38-90) with 81 FEA biopsy-proven lesions. These were pure or associated with LN only in respectively 59/81 (73%) and 22/81 (27%)...
January 24, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28117081/post-traumatic-forearm-nonunion-in-healthy-skeletally-immature-children-a-report-on-15-cases
#16
Giovanni Luigi Di Gennaro, Stefano Stilli, Giovanni Trisolino
BACKGROUND: Nonunion is a rare but severe complication following forearm fracture in skeletally immature patients. The purpose of this study is to describe a case series of pediatric forearm nonunions treated at our Institute. MATERIALS AND METHOD: We retrospectively reviewed medical charts and radiographs of healthy children affected by post-traumatic nonunion of the forearm, from April 1992 to July 2015. An overall series of 15 cases was included in the study...
January 9, 2017: Injury
https://www.readbyqxmd.com/read/28113236/accurate-physics-based-registration-for-the-outcome-validation-of-minimal-invasive-interventions-and-open-liver-surgeries
#17
Cristina Laura, Klaus Drechsler, Stefan Wesarg, Reto Bale
OBJECTIVE: The purpose of this paper is to present an outcome validation tool for tumor radio frequency ablation and resection. METHODS: Intervention assessment tools require an accurate registration of both pre- and postoperative computed tomographies able to handle big deformations. Therefore, a physics based method is proposed with that purpose. To increase the accuracy both automatically detected internal and surface physical landmarks are incorporated in the registration process...
April 27, 2016: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/28090519/a-rare-case-of-a-blood-clot-masquerading-as-a-retained-surgical-drain
#18
Sean Wl Ho, Ivan Th Chua
Surgical drains are commonly used in surgery to reduce post-operative fluid collections. Whilst rare, a retained surgical drain may result in clinical complications and distress to the patient. A retained surgical drain is a potentially avoidable event and surgeons should be aware on how to confirm the presence of a retained surgical drain. We report a rare case of a blood clot masquerading as a retained surgical drain in a patient. The patient is a 55-year-old Malay male who presented with left gluteal necrotizing fasciitis...
December 2016: Annals of Translational Medicine
https://www.readbyqxmd.com/read/28081335/comparison-of-wire-guided-localization-and-radio-guided-occult-lesionlocalization-in-preoperative-localization-of-nonpalpable-breast-lesions
#19
Nazım Barış Kanat, Murat Tuncel, Tamer Aksoy, Ayşegül Fırat, Figen Demirkazık, Demirali Onat, Meltem Çağlar Tuncalı, Biray Emine Caner
BACKGROUND/AIM: Breast lesions that are not palpable on physical examination but considered suspicious for malignancy on mammography or ultrasonography should be marked before surgery. Wire-guided localization (WGL) is the most frequently used method for preoperative marking of nonpalpable breast lesions (NPBLs). An alternative is marking by a radioactive agent (radio-guided occult lesion localization; ROLL). The present study aimed to compare WGL and ROLL for preoperative marking. MATERIALS AND METHODS: The study included 25 patients marked by ROLL and 11 patients marked by WGL...
December 20, 2016: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/28070651/inferior-vena-cava-involvement-in-children-with-wilms-tumor
#20
Abeer Al Diab, Nader Hirmas, Abdellatif Almousa, Ramiz Abu-Hijlih, Fatinah Aljlouni, Iyad Sultan, Khalil Ghandour
OBJECTIVES: Retrospective review of children with WT thrombus involving the IVC. METHODS: We reviewed the charts of 123 patients with WT diagnosed between January 2006 and December 2015. Patients with caval tumor thrombus were identified, demographic data, radiological images, extent of thrombus, chemo- and radiotherapy, surgical approach, pathology reports and outcomes were analyzed. RESULTS: IVC involvement was identified in 11 patients (9%)...
January 9, 2017: Pediatric Surgery International
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