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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/28230649/-stamp-perforation-technique-for-correction-of-prominent-mandibular-angle-10-years-of-experience-in-mandibular-reshaping-in-asians
#2
Bowen Gao, Jizhou He, Feng Xie, Hainan Zhu, Liang-Gang Yu, Qingfeng Li
Resection of a prominent mandibular angle is commonly used in Eastern society to improve the lower one third facial proportion. Historically, this procedure had a high complication rate, such as severe bleeding, asymmetry of the angle reduction, and "second mandibular angle." A safer and more effective way of performing such procedures is needed. The aim of this study is to introduce 3 instruments, a tunable guide handpiece, milling cutter, and flywheel, which were invented by the author, as well as a related ostectomy technique for correcting prominent mandibular angles using a modified full-thickness marginal ostectomy of the mandibular corpus angle, named the "stamp perforation" technique...
February 23, 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28230590/modified-lateral-surgical-approach-to-the-pterygopalatine-fossa
#3
Masataka Uehara, Masaaki Sasaguri, Shunji Shiiba, Kazuhiro Tominaga
Oral cancer, especially that originates in the maxillary tuberosity, buccal mucosa, and maxillary alveolus, is apt to invade the pterygopalatine fossa, where an intraoral approach is nearly impossible. There are 2 main types of extraoral approach to the pterygopalatine fossa; the anterior approach and the lateral approach. Although the lateral approach has an advantage compared with the anterior approach in terms of cosmetics, after the operation numbness of the lower lip occurs due to the sacrifice of the mental nerve...
February 22, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28229077/surgical-therapy-of-cholangiocarcinoma
#4
REVIEW
Arnold Radtke, Alfred Königsrainer
BACKGROUND: The majority of patients with cholangiocarcinoma present with advanced disease that is often challenging to diagnose and to treat. The optimal preoperative evaluation requires a coordinated multidisciplinary approach. Surgical resection is the mainstay of therapy. METHODS: This systematic review delineates surgical treatment strategies for cholangiocarcinoma in general as well as special considerations concerning the particular tumor localization. A literature search (see keywords) was conducted using PubMed and publications between 1990 and 2016 regarding resectable and advanced cholangiocarcinoma were reviewed...
December 2016: Visceral Medicine
https://www.readbyqxmd.com/read/28227373/comparative-study-of-texture-features-in-oct-images-at-different-scales-for-human-breast-tissue-classification
#5
Yu Gan, Xinwen Yao, Ernest Chang, Syed Bin Amir, Hanina Hibshoosh, Sheldon Feldman, Christine P Hendon, Yu Gan, Xinwen Yao, Ernest Chang, Syed Bin Amir, Hanina Hibshoosh, Sheldon Feldman, Christine P Hendon, Syed Bin Amir, Christine P Hendon, Sheldon Feldman, Yu Gan, Hanina Hibshoosh, Ernest Chang, Xinwen Yao
Breast cancer is the second leading cause of death in women in the United States due to cancer. Early detection of breast cancerous regions will aid the diagnosis, staging, and treatment of breast cancer. Optical coherence tomography (OCT), a non-invasive imaging modality with high resolution, has been widely used to visualize various tissue types within the human breast and has demonstrated great potential for assessing tumor margins. Imaging large resected samples with a fast imaging speed can be accomplished by under-sampling in the spatial domain, resulting in a large image scale...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226358/-laparoscopic-segmental-gastrectomy-for-early-gastric-cancer
#6
Lai Xu, Beizhan Niu, Xiyu Sun, Menghua Dai, Yi Xiao
OBJECTIVE: To investigate the feasibility of segmental pylorus-reservation gastrectomy in patients with early gastric cancer. METHOD: A retrospective cohort study on clinical data of 6 patients strictly met the criteria of early gastric cancer locating in the middle of the stomach undergoing laparoscopic segmental gastrectomy from January 2014 to April 2016 at Department of General Surgery, Peking Union Medical College Hospital was carried out. Preoperative clinical staging revealed T1N0M0 for all the cases...
February 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28225795/multicenter-experiences-in-temporal-bone-cancer-surgery-based-on-89-cases
#7
Małgorzata Wierzbicka, Kazimierz Niemczyk, Antoni Bruzgielewicz, Marcin Durko, Janusz Klatka, Tomasz Kopeć, Ewa Osuch-Wójcikiewicz, Wioletta Pietruszewska, Marcin Szymański, Witold Szyfter
OBJECTIVE: To present outcomes of extensive surgery: lateral, subtotal, total petrosectomies in patients with temporal bone invasion resulting from specific primary cancers. STUDY DESIGN: Retrospective case review. SETTING: Four tertiary referral centers. MATERIAL: 89 patients with cancer of the temporal bone treated between January 2006 and December 2010. INTERVENTION: Multidisciplinary team approach including surgical resection, reconstruction, and postoperative radiotherapy...
2017: PloS One
https://www.readbyqxmd.com/read/28223729/preoperative-albumin-level-is-a-marker-of-alveolar-echinococcosis-recurrence-after-hepatectomy
#8
Gaëtan-Romain Joliat, Ismail Labgaa, Nicolas Demartines, Nermin Halkic
AIM: To identify a preoperative blood marker predictive of alveolar echinococcosis (AE) recurrence after hepatectomy. METHODS: All consecutive patients who underwent operation for liver AE at the Lausanne University Hospital (CHUV) between January 1992 and December 2015 were included in this retrospective study. Preoperative laboratory values of leukocytes, mean corpuscular volume (MCV), red blood cell distribution width (RDW), thrombocytes, C-reactive protein (CRP) and albumin were collected and analyzed...
February 7, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28223144/combination-of-hand-held-probe-and-microscopy-for-fluorescence-guided-surgery-in-the-brain-tumor-marginal-zone
#9
Johan Richter, Neda Haj-Hosseini, Martin Hallbeck, Karin Wårdell
BACKGROUND: Visualization of the tumor is crucial for differentiating malignant tissue from healthy brain during surgery, especially in the tumor marginal zone. The aim of the study was to introduce a fluorescence spectroscopy-based hand-held probe (HHF-probe) for tumor identification in combination with the fluorescence guided resection surgical microscope (FGR-micsorcope), and evaluate them in terms of diagnostic performance and practical aspects of fluorescence detection. METHODS: Eighteen operations were performed on 16 patients with suspected high-grade glioma...
February 18, 2017: Photodiagnosis and Photodynamic Therapy
https://www.readbyqxmd.com/read/28220382/meta-analysis-of-laparoscopic-vs-open-liver-resection-for-hepatocellular-carcinoma
#10
Georgios C Sotiropoulos, Anastasia Prodromidou, Ioannis D Kostakis, Nikolaos Machairas
Laparoscopic liver resections (LLR) are widely accepted as safe and effective procedures for the management of hepatocellular carcinoma (HCC) in the hands of experienced surgeons. The efficacy and extent of benefits of pure as well as hand-assisted laparoscopic and laparoscopy-assisted liver resection over open liver resection (OLR) have been investigated by numerous studies during the last 10 years. The aim of our meta-analysis is to investigate the effect of LLR in short- and long-term outcomes compared to OLR in patients operated for HCC...
February 20, 2017: Updates in Surgery
https://www.readbyqxmd.com/read/28218026/gingival-fibrosarcoma-in-a-horse
#11
Apryle Horbal, Padraic M Dixon
A 4-year-old thoroughbred cross mare was referred to the University of Edinburgh Veterinary School Equine Hospital for treatment of a soft tissue tumor on the buccal gingival margin of the rostral right maxillary cheek teeth. The lesion was initially surgically excised and diagnosed as a fibrosarcoma via histopathology. Adjunctive treatment with intralesional cisplatin chemotherapy was begun. The tumor recurred and was repeatedly treated with intralesional cisplatin injections and additional surgical resection over the course of 14 weeks...
December 2016: Journal of Veterinary Dentistry
https://www.readbyqxmd.com/read/28215457/synchronous-ipsilateral-cavernous-malformations-of-the-trochlear-nerve
#12
Christopher S Graffeo, William R Copeland, Perkins Mukunyadzi, Ali F Krisht
BACKGROUND: Cranial nerve cavernous malformations (CM) are rare benign congenital vascular anomalies, with approximately 44 preceding cases in the literature. We report the fifth case of trochlear CM, as well as the first instance of two discrete CM occurring simultaneously along the same cranial nerve. METHODS: Case report. RESULTS: A fifty-seven year-old man presented with several years of diplopia; physical examination identified a complete left trochlear nerve paralysis...
February 16, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28214053/standardization-of-oncoplastic-breast-conserving-surgery
#13
REVIEW
W P Weber, S D Soysal, I Fulco, M Barandun, D Babst, D Kalbermatten, D J Schaefer, D Oertli, E A Kappos, M Haug
The emphasis on esthetic outcomes and quality of life after breast cancer surgery has motivated surgeons to develop oncoplastic breast conserving surgery (OPS). Training programs are still rare in most countries, and there is little standardization, which challenges the scientific evaluation of the techniques. The present article attempts to standardize OPS nomenclature, indications, and reconstruction choice selection embedded in a thorough review of the literature. We propose four breast conserving surgery (BCS) categories: Conventional tumorectomy, oncoplastic mastopexy, oncoplastic tumorectomy and oncoplastic reduction mammoplasty...
January 31, 2017: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28213790/optical-see-through-cancer-vision-goggles-enable-direct-patient-visualization-and-real-time-fluorescence-guided-oncologic-surgery
#14
Suman B Mondal, Shengkui Gao, Nan Zhu, LeMoyne Habimana-Griffin, Walter J Akers, Rongguang Liang, Viktor Gruev, Julie Margenthaler, Samuel Achilefu
BACKGROUND: The inability to visualize the patient and surgical site directly, limits the use of current near infrared fluorescence-guided surgery systems for real-time sentinel lymph node biopsy and tumor margin assessment. METHODS: We evaluated an optical see-through goggle augmented imaging and navigation system (GAINS) for near-infrared, fluorescence-guided surgery. Tumor-bearing mice injected with a near infrared cancer-targeting agent underwent fluorescence-guided, tumor resection...
February 17, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28213067/duodenal-gangliocytic-paraganglioma-successfully-treated-by-local-surgical-excision-a-case-report
#15
Dimetrios Papaconstantinou, Nikolaos Machairas, Vasileia Damaskou, Nikolaos Zavras, Christine Kontopoulou, Anastasios Machairas
INTRODUCTION: Duodenal gangliocytic paragangliomas are rare neoplasms often arising in proximity to the major duodenal papilla of Vater. These neoplasms are considered to have a benign behavior with lymph node metastases being a rare phenomenon and distant metastatic disease even more so. Resection of the tumor is the only definitive therapy. PRESENTATION OF CASE: A 67year old male presented to a referring hospital with symptoms of fatigue and malaise. Evaluation with CT imaging revealed a 3...
January 19, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28212588/colorectal-polypectomy-and-endoscopic-mucosal-resection-emr-european-society-of-gastrointestinal-endoscopy-esge-clinical-guideline
#16
Monika Ferlitsch, Alan Moss, Cesare Hassan, Pradeep Bhandari, Jean-Marc Dumonceau, Gregorios Paspatis, Rodrigo Jover, Cord Langner, Maxime Bronzwaer, Kumanan Nalankilli, Paul Fockens, Rawi Hazzan, Ian M Gralnek, Michael Gschwantler, Elisabeth Waldmann, Philip Jeschek, Daniela Penz, Denis Heresbach, Leon Moons, Arnaud Lemmers, Konstantina Paraskeva, Juergen Pohl, Thierry Ponchon, Jaroslaw Regula, Alessandro Repici, Matthew D Rutter, Nicholas G Burgess, Michael J Bourke
1 ESGE recommends cold snare polypectomy (CSP) as the preferred technique for removal of diminutive polyps (size ≤ 5 mm). This technique has high rates of complete resection, adequate tissue sampling for histology, and low complication rates. (High quality evidence, strong recommendation.) 2 ESGE suggests CSP for sessile polyps 6 - 9 mm in size because of its superior safety profile, although evidence comparing efficacy with hot snare polypectomy (HSP) is lacking. (Moderate quality evidence, weak recommendation...
February 17, 2017: Endoscopy
https://www.readbyqxmd.com/read/28212257/matched-case-control-comparative-study-of-laparoscopic-versus-open-pancreaticoduodenectomy-for-malignant-lesions
#17
Yazan S Khaled, Kavi Fatania, Jenifer Barrie, Nicola De Liguori, Rahul Deshpande, Derek A O'Reilly, Basil J Ammori
INTRODUCTION: Advances in surgical technologies allowed safe laparoscopic pancreaticoduodenectomy (LPD). The aim of this study is to compare the oncologic outcomes of LPD to open pancreaticoduodenectomy (OPD) in terms of safety and recurrence rate. MATERIALS AND METHODS: A cohort of 30 patients were matched for age, sex, American Society of Anaesthesiologists, tumor size, pancreatic duct diameter, and histopathologic diagnosis on a 1:1 basis (15 LPD, 15 OPD). Comparison between groups was performed on intention-to-treat basis...
February 16, 2017: Surgical Laparoscopy, Endoscopy & Percutaneous Techniques
https://www.readbyqxmd.com/read/28210747/extent-of-field-change-in-colorectal-cancers-with-braf-mutation
#18
Aaron Poh, Heidi Sian Ying Chang, Kok Yang Tan, Xin Xiu Sam, Avery Khoo, Shoa Nian Choo, Min En Nga, Wei Keat Wan
INTRODUCTION: Sporadic colorectal cancers with BRAF mutations constitute two distinct subgroups of colorectal cancers. Recent studies have linked the presence of the BRAF mutation to a familial inheritance pattern. This was a proof-of-concept study that aimed to examine: (a) the extent of field change in sporadic colorectal cancers with BRAF mutation; and (b) the extent of resection margins required and the pattern of DNA mismatch repair protein loss in these tumours. METHODS: Eight microsatellite instability-high (MSI-H) tumours with positive BRAF mutation from an existing histopathological database were selected for BRAF mutation and mismatch repair protein analysis...
February 17, 2017: Singapore Medical Journal
https://www.readbyqxmd.com/read/28210409/primary-leiomyosarcoma-of-the-mandibular-alveolar-mucosa-of-a-12-year-old-child-from-ethiopia-a-case-report
#19
Tewodros Tefera Kenea, Betel Abebe Kebede, Fekadu Mesele Gozjuze, Hagos Kiros, Frank Wilde
Leiomyosarcomas (LMSs) are rare malignant mesenchymal tumors which show smooth-muscle differentiation. Most LMSs involving the oral tissues primarily affect the maxillary sinus, the maxillary or mandibular bone. We present a case of LMS of the mandibular alveolar mucosa, arising in a 12-year-old male child from Ethiopia. A malignant spindle cell-like neoplasm was diagnosed on clinical and radiographic findings as well as on incisional biopsy. The tumor was resected with wide margins. The following histopathologic examination with additional immunohistochemical studies secured the diagnosis LMS...
March 2017: Craniomaxillofacial Trauma & Reconstruction
https://www.readbyqxmd.com/read/28209950/-clinico-pathological-factors-and-prognosis-scale-for-portal-cholangiocarcinoma
#20
Yu O Zharikov, Yu A Kovalenko, A A Olifir, D V Kalinin, A V Czhao
INTRODUCTION: The objective of this study was to derive a prognostic scale to predict overall survival (OS) after a curative resection of perihilar cholangiocarcinoma (PHC). MATERIAL AND METHODS: The data of 55 patients with portal cholangiocarcinoma were analysed. Patients were treated at the A.V. Vishnevsky Institute of Surgery from 2011 to 2015. Surgical treatment after biliary decompression was performed in 37 (67.3%) patients. In the long-term period we observed 36 (97...
2017: Khirurgiia
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