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https://www.readbyqxmd.com/read/28324180/lateral-pharyngotomy-approach-in-the-treatment-of-oropharyngeal-carcinoma
#1
Andy Bertolin, Guido Ghirardo, Marco Lionello, Luciano Giacomelli, Marco Lucioni, Giuseppe Rizzotto
Surgery for early-intermediate oropharyngeal squamous cell carcinoma (OPSCC) may involve using transoral endoscopic approaches or open surgical procedures. "Lateral pharyngotomy" (LP) is an open surgical approach that improves exposure of the oropharyngeal region, while avoiding mandibulotomy. The aim of the present study was to retrospectively analyze our experience with the surgical treatment of early-intermediate OPSCC using the LP approach, and to investigate the potentially prognostic clinical and/or pathological factors that might identify patients at higher risk of recurrence after primary surgery...
March 21, 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28324155/-robot-assisted-pancreatic-resection
#2
B Müssle, M Distler, J Weitz, T Welsch
Although robot-assisted pancreatic surgery has been considered critically in the past, it is nowadays an established standard technique in some centers, for distal pancreatectomy and pancreatic head resection. Compared with the laparoscopic approach, the use of robot-assisted surgery seems to be advantageous for acquiring the skills for pancreatic, bile duct and vascular anastomoses during pancreatic head resection and total pancreatectomy. On the other hand, the use of the robot is associated with increased costs and only highly effective and professional robotic programs in centers for pancreatic surgery will achieve top surgical and oncological quality, acceptable operation times and a reduction in duration of hospital stay...
March 21, 2017: Der Chirurg; Zeitschrift Für Alle Gebiete der Operativen Medizen
https://www.readbyqxmd.com/read/28323840/htc-vive-mevislab-integration-via-openvr-for-medical-applications
#3
Jan Egger, Markus Gall, Jürgen Wallner, Pedro Boechat, Alexander Hann, Xing Li, Xiaojun Chen, Dieter Schmalstieg
Virtual Reality, an immersive technology that replicates an environment via computer-simulated reality, gets a lot of attention in the entertainment industry. However, VR has also great potential in other areas, like the medical domain, Examples are intervention planning, training and simulation. This is especially of use in medical operations, where an aesthetic outcome is important, like for facial surgeries. Alas, importing medical data into Virtual Reality devices is not necessarily trivial, in particular, when a direct connection to a proprietary application is desired...
2017: PloS One
https://www.readbyqxmd.com/read/28323651/clinical-features-and-treatment-of-dermatofibrosarcoma-protuberans-affecting-the-vulva-a-literature-review
#4
Austin H Nguyen, Shannon Q Detty, Maria I Gonzaga, Christopher Huerter
BACKGROUND: Dermatofibrosarcoma protuberans (DFSP) is a low-to-intermediate grade cutaneous neoplasm with a low propensity for metastasis and a high rate of local recurrence. It typically presents as a dermal plaque or nodule on the trunk, limbs, or head and neck region. Vulvar DFSP has also been described, although it is less common. OBJECTIVE: To review the available literature and discuss the clinical course of DFSP affecting the vulva. MATERIALS AND METHODS: We reviewed the existing English-language literature on DFSP of the vulva with respect to clinical presentation, diagnosis, treatment, and outcome...
March 17, 2017: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
https://www.readbyqxmd.com/read/28319260/the-second-time-flap-from-the-previously-used-anterior-thigh-donor-site-for-head-and-neck-microsurgical-reconstruction
#5
Nidal Farhan Al Deek, Chun-Ta Liao, Shiang-Fu Huang, Chung-Jan Kan, Kai-Ping Chang, Ku-Hao Fang, Chung-Kan Tsao
BACKGROUND: Multiple free tissue transfer from the same donor site is not well described for microsurgical head and neck reconstruction. METHODS: Between (8/2011 and 11/2012), 103 patients received 103 free ALT flaps for head and neck reconstruction; flaps were called first-time ALT flaps. Intra-operative findings were used to assess the presence of a favorable anatomy for a future second flap from the same donor site. And, between 9/2009 and 12/2013, second-time flaps from previously used anterior thighs were attempted either freely or guided by the intra-operative data from the previous surgery...
March 20, 2017: Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28318968/improved-glottic-exposure-for-robotic-microlaryngeal-surgery-a-case-series
#6
Dehra A McGuire, Jennifer P Rodney, Nilesh R Vasan
Robotic surgery has become the standard of care for many procedures outside of otolaryngology and now is gaining momentum within our specialty. The da Vinci (Intuitive Surgical, Sunnyvale, CA) robot has several advantages to human hands, including removal of tremor and better access to lesions because of increased degree of movement of the articulated instruments. The glottis has rarely been addressed using robotic surgery because access was previously thought to be difficult because of the limitations of currently used retractors, which include poor base of tongue and oral commissure retraction resulting in lack of exposure of the glottis in many patients and lack of space for the robotic instruments to occupy...
March 17, 2017: Journal of Voice: Official Journal of the Voice Foundation
https://www.readbyqxmd.com/read/28318917/radiological-changes-with-magnetic-resonance-imaging-and-computed-tomography-after-irradiating-minipig-mandibles-the-role-of-t2-spir-mixed-signal-intensities-in-the-detection-of-osteoradionecrosis
#7
Lucas J Poort, Alida A Postma, Annika A R Stadler, Roland A Böckmann, Frank J Hoebers, Peter A W H Kessler
PURPOSE: Radiotherapy in the head and neck can induce several radiologically detectable changes in bone, osteoradionecrosis (ORN) among them. The purpose is to investigate radiological changes in mandibular bone after irradiation with various doses with and without surgery and to determine imaging characteristics of radiotherapy and ORN in an animal model. MATERIALS AND METHODS: Sixteen Göttingen minipigs were divided into groups and were irradiated with two fractions with equivalent doses of 0, 25, 50 and 70 Gray...
February 12, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28318916/radiation-free-3d-head-shape-and-volume-evaluation-after-endoscopically-assisted-strip-craniectomy-followed-by-helmet-therapy-for-trigonocephaly
#8
Guido de Jong, Manon Tolhuisen, Jene Meulstee, Ferdi van der Heijden, Erik van Lindert, Wilfred Borstlap, Thomas Maal, Hans Delye
INTRODUCTION: Radiation-free 3D post-operative sequential follow-up in craniosynostosis is hindered by the lack of consistent markers restricting evaluation to subjective comparison. However, using the computed cranial focal point (CCFP), it is possible to perform correct sequential image superposition and objective evaluation. We used this technique for mean volume and shape change evaluation of the head utilizing 3D photos after endoscopically assisted trigonocephaly surgery. METHODS: We performed a mean head shape and volume evaluation on age grouped 3D photos (n = 86) of children who underwent endoscopically assisted strip craniectomy with helmet therapy...
February 12, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28318866/innovations-in-joint-preservation-procedures-for-the-dysplastic-hip-the-periacetabular-osteotomy
#9
Cecilia Pascual-Garrido, Michael D Harris, John C Clohisy
The Bernese periacetabular osteotomy is an effective treatment for symptomatic developmental dysplasia in the prearthritic young adult hip. Refinements in the periacetabular osteotomy technique and perioperative management have markedly improved the clinical outcomes and recovery in these patients. We will review the clinical presentation of acetabular dysplasia, indications for surgery, perioperative management, and contemporary refinements in technique including refined acetabular reduction, adjunctive hip arthroscopy, femoral head-neck osteochondroplasty, femoral procedures, and rapid recovery protocols...
February 14, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28318524/cutaneous-angiosarcoma-clinical-and-pathology-study-of-16-cases
#10
C Requena, E Sendra, B Llombart, O Sanmartín, C Guillén, J Lavernia, V Traves, J Cruz
INTRODUCTION AND OBJECTIVES: Primary cutaneous angiosarcoma is one of the most aggressive skin tumors and carries a very poor prognosis. Its initially indolent clinical presentation explains the frequently late diagnosis that, together with its typically multifocal pattern and poor delimitation, often makes surgery difficult. The low incidence of primary cutaneous angiosarcoma means that few large single-center series have been published. We review the clinical and pathologic characteristics of cutaneous angiosarcomas treated in our hospital, looking for prognostic factors and for possible diagnostic traits that could facilitate early diagnosis...
March 16, 2017: Actas Dermo-sifiliográficas
https://www.readbyqxmd.com/read/28317270/3q26-29-amplification-in-head-and-neck-squamous-cell-carcinoma-a-review-of-established-and-prospective-oncogenes
#11
REVIEW
Matthew A Davidson, Emma J Shanks
Head and neck cancer (HNSCC) is significantly underrepresented in worldwide cancer research, despite the fact that survival rates for the disease have remained static for over 50 years. Distant metastasis is often present at the time of diagnosis, and is the primary cause of death in cancer patients. In the absence of routine effective targeted therapies, the standard of care treatment remains chemoradiation in combination with (often disfiguring) surgery. A defining characteristic of HNSCC is the amplification of a region of chromosome 3 (3q26-29), which is consistently associated with poorer patient outcome...
March 19, 2017: FEBS Journal
https://www.readbyqxmd.com/read/28316328/reoperation-after-cyst-excision-with-hepaticojejunostomy-for-choledochal-cysts-our-experience-in-18-cases
#12
Qingfeng Sheng, Zhibao Lv, Weijue Xu, Xianmin Xiao, Jiangbin Liu, Yibo Wu
BACKGROUND Complete cyst excision with biliary reconstruction is the treatment of choice for choledochal cyst (CC). The aim of this article is to review our experience in patients who underwent reoperation between January 1995 and December 2014. MATERIAL AND METHODS The records of 18 patients (female/male, 15/3) were retrospectively analyzed including age, sex, cyst type, initial procedure, lab and imaging findings, indications for reoperation, intraoperative findings, and results of reoperation. The median follow-up period was 6 years...
March 20, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28316225/-the-clinical-impact-of-artery-first-approach-combined-with-vascular-resection-and-reconstruction-in-the-treatment-of-pancreatic-head-carcinoma
#13
J L Huang, W G Li, F Z Chen, Z J Su, F M Li, B Liu
Objective: To evaluate the application of artery first, combined vascular resection and reconstruction in the treatment of pancreatic head carcinoma. Methods: The clinical data of 13 patients with pancreatic head cancer were retrospectively analyzed from February 2014 to March 2016 in the Affiliated Hospital of Xiamen University. Preoperative computed tomography of high resolution layer or magnetic resonance imaging examination demonstrated pancreatic head carcinoma, as well as close adhesion, stenosis, compression or displacement of superior mesenteric vein or portal vein wall...
March 23, 2017: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/28315908/positive-99m-tc-mibi-and-the-subtraction-parathyroid-scan-are-related-to-intact-parathyroid-hormone-but-not-to-total-plasma-calcium-in-primary-hyperparathyroidism
#14
Sanja Dugonjić, Marija Šišić, Marija Radulović, Boris Ajdinović
OBJECTIVE: Primary hyperparathyroidism (pHPT) is characterised by increased parathyroid hormone (PTH) secretion and consequently increased plasma calcium. During the last few decades parathyroid scintigraphy (PS), is applied in almost all patients with pPHT before surgery and specifically before minimally invasive parathyroidectomy. The aim of this study was to find the best cut-off levels of total plasma calcium and intact PTH (iPTH) that correlate with positive technetium-99m-methoxy isobutyl isonitrile ((99m)Tc-MIBI) PS and with positive subtraction PS (SPS) in patients with pHPT and thus the positive diagnostic value of these PS...
March 20, 2017: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/28315184/epiphyseal-arterial-network-and-inferior-retinacular-artery-seem-critical-to-femoral-head-perfusion-in-adults-with-femoral-neck-fractures
#15
Dewei Zhao, Xing Qiu, Benjie Wang, Zihua Wang, Wei Wang, Jun Ouyang, Rona M Silva, Xiaotian Shi, Kai Kang, Dachuan Xu, Chuang Li, Shizhen Zhong, Yu Zhang, Kent E Pinkerton
BACKGROUND: A better understanding of the blood supply of the femoral head is essential to guide therapeutic strategies for patients with femoral neck fractures. However, because of the limitations of conventional techniques, the precise distribution and characteristics of intraosseous arteries of the femoral head are not well displayed. QUESTIONS/PURPOSES: To explore the characteristics and interconnections of the intraosseous vessel system between different areas of the femoral head and the possible blood supply compensatory mechanism after femoral neck fracture...
March 17, 2017: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/28314958/unilateral-vocal-fold-immobility-a-tertiary-hospital-s-experience-over-5-years
#16
Vyas M N Prasad, Raja Fakhoury, Diane Helou, Georges Lawson, Marc Remacle
The objective of the study was to determine the etiology and subsequent management of patients with unilateral vocal fold immobility (UVFI) and compare our results with other such studies. This was a retrospective case series of all patients that were treated for UVFI at one single tertiary referral centre between 2010 and 2014. The medical records of 161 patients over a 5-year period diagnosed with UVFI were analyzed. We looked at the patient demographics, side of immobility, etiology, management and voice assessment...
March 17, 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28314887/mechanical-strains-passing-through-the-acetabular-labrum-modify-its-shape-during-hip-motion-an-anatomical-study
#17
Matthieu Ollivier, Thomas Le Corroller, Sebastien Parratte, Patrick Chabrand, Jean-Noël Argenson, Olivier Gagey
PURPOSE: The function of the hip labrum during hip motion remains poorly known. Our hypothesis was that acetabular labrum will deform and change its shape during adduction to abduction movement consecutively to variation of strains passing from the acetabulum to the femoral head. An ex vivo anatomical study was conducted to analyse the morphological parameters variation of the mid-portion of the labrum (length, thickness, shape, deformation) as well as femoro-labral strains during hip adduction to abduction movement...
March 17, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28314807/non-recurrent-laryngeal-nerve-with-a-coexisting-contralateral-nerve-demonstrating-extralaryngeal-branching
#18
James D Constable, Srinivasalu Bathala, Jacob J Ahmed, Julian A McGlashan
Non-recurrence and extralaryngeal branching are 2 of the more frequently encountered anomalies of the recurrent laryngeal nerve. If not anticipated intraoperatively, these abnormalities can put the nerve at risk, with subsequent vocal cord palsy. It is therefore important to report on and understand these abnormalities. We present a unique case of a non-recurrent laryngeal nerve with a coexisting contralateral nerve demonstrating extralaryngeal branching. This case allows us to demonstrate the importance of arteria lusoria in head and neck surgery, and to conclude that non-recurrence and extralaryngeal branching can occur separately within individual nerves in the same patient...
March 17, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28314404/the-role-of-robotic-surgery-in-sinonasal-and-ventral-skull-base-malignancy
#19
REVIEW
Ralph Abi Hachem, Sanjeet Rangarajan, Andre Beer-Furlan, Daniel Prevedello, Enver Ozer, Ricardo L Carrau
Over the past decade, robotic surgery has gained wide popularity, making a significant impact on multiple surgical specialties. In the head and neck arena, transoral robotic surgery has proven to be safe and associated with acceptable oncological and superior functional outcomes for surgery of the oropharynx, hypopharynx, supraglottis, and glottis; thus, changing the paradigm for the management of tumors in these anatomic locations. Robotic surgery of the ventral skull base is at an early stage of development...
April 2017: Otolaryngologic Clinics of North America
https://www.readbyqxmd.com/read/28304232/a-systematic-evaluation-of-intraoperative-white-matter-tract-shift-in-pediatric-epilepsy-surgery-using-high-field-mri-and-probabilistic-high-angular-resolution-diffusion-imaging-tractography
#20
Joseph Yuan-Mou Yang, Richard Beare, Marc L Seal, A Simon Harvey, Vicki A Anderson, Wirginia J Maixner
OBJECTIVE Characterization of intraoperative white matter tract (WMT) shift has the potential to compensate for neuronavigation inaccuracies using preoperative brain imaging. This study aimed to quantify and characterize intraoperative WMT shift from the global hemispheric to the regional tract-based scale and to investigate the impact of intraoperative factors (IOFs). METHODS High angular resolution diffusion imaging (HARDI) diffusion-weighted data were acquired over 5 consecutive perioperative time points (MR1 to MR5) in 16 epilepsy patients (8 male; mean age 9...
March 17, 2017: Journal of Neurosurgery. Pediatrics
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