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https://www.readbyqxmd.com/read/29155117/pediatric-non-missile-penetrating-head-injury-case-series-and-literature-review
#1
REVIEW
Evangelos Drosos, Dimitrios Giakoumettis, Alexandros Blionas, Andreas Mitsios, Georgios Sfakianos, Marios Themistocleous
BACKGROUND: Pediatric non-missile penetrating head injury (NMPHI) is usually accidental attributed mainly to the softer skulls of growing children. However, it is a rather rare entity and therefore no consensus exists regarding treatment, in order to effectively prevent the immediate and long-term complications. Throughout the literature practice, essentials are mostly discussed in case reviews and case series in general population. No data originating from randomized studies are available due to ethical and practical limitations...
November 15, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/29152469/eyebrow-incision-for-surgical-evacuation-of-a-lobar-intracerebral-hematoma-with-a-novel-endoport-system
#2
Dale Ding, Colin J Przybylowski, Robert M Starke, R Webster Crowley, Kenneth C Liu
Large lobar intracerebral hemorrhages (ICHs) can cause rapid neurological deterioration, and affected patients have low rates of survival and functional independence. Currently, the role of surgical intervention in the management patients with lobar ICHs is controversial. Minimally invasive technologies have been developed which may potentially decrease the operative morbidity of ICH surgery. The aim of this case report is to describe the technical aspects of the use of a novel minimally invasive endoport system, the BrainPath (NICO, Indianapolis, IN, USA), through an eyebrow incision for evacuation of a large lobar hematoma...
June 2017: Journal of Cerebrovascular and Endovascular Neurosurgery
https://www.readbyqxmd.com/read/29148237/supraclavicular-flap-repair-in-the-free-flap-era
#3
REVIEW
Jodie Trautman, Sinclair Gore, Matthew Potter, Jonathan Clark, Dylan Hyam, Ngian C Tan, Quan Ngo, Bruce Ashford
BACKGROUND: Supraclavicular flap (SCF) repair is widely reported in head and neck surgery in select patients and defects. The authors' objective is to present our series of 30 patients who underwent SCF repair for varying defects and to review the scope and outcome of SCF repair in the literature. METHODS: The authors contributed primary evidence of 30 cases of SCF repair. Our outcomes are compared with those reported in the last 5 years' literature; 33 articles published between January 2012 and January 2017 that present original clinical experience of 528 SCFs...
November 17, 2017: ANZ Journal of Surgery
https://www.readbyqxmd.com/read/29134171/endoscopic-endonasal-repair-of-internal-carotid-artery-injury-during-endoscopic-endonasal-surgery
#4
Irit Duek, Gill E Sviri, Moran Amit, Ziv Gil
Background  Injury to the cavernous portion of the internal carotid artery (ICA) during endoscopic skull base surgery is a well-recognized rare complication that can be associated with high rates of morbidity and mortality. Many techniques have been suggested to manage ICA injury with varying degrees of success. Objectives  We provide a detailed technical description of an operative technique for endoscopic management of carotid artery injury. Methods  A case of ICA injury during endoscopic skull base surgery is presented...
October 2017: Journal of Neurological Surgery Reports
https://www.readbyqxmd.com/read/29134168/anatomical-region-segmentation-for-objective-surgical-skill-assessment-with-operating-room-motion-data
#5
Yangming Li, Randall A Bly, R Alex Harbison, Ian M Humphreys, Mark E Whipple, Blake Hannaford, Kris S Moe
Background  Most existing objective surgical motion analysis schemes are limited to structured surgical tasks or recognition of motion patterns for certain categories of surgeries. Analyzing instrument motion data with respect to anatomical structures can break the limit, and an anatomical region segmentation algorithm is required for the analysis. Methods  An atlas was generated by manually segmenting the skull base into nine regions, including left/right anterior/posterior ethmoid sinuses, frontal sinus, left and right maxillary sinuses, nasal airway, and sphenoid sinus...
December 2017: Journal of Neurological Surgery. Part B, Skull Base
https://www.readbyqxmd.com/read/29134165/an-innovate-robotic-endoscope-guidance-system-for-transnasal-sinus-and-skull-base-surgery-proof-of-concept
#6
D T Friedrich, F Sommer, M O Scheithauer, J Greve, T K Hoffmann, P J Schuler
Objective  Advanced transnasal sinus and skull base surgery remains a challenging discipline for head and neck surgeons. Restricted access and space for instrumentation can impede advanced interventions. Thus, we present the combination of an innovative robotic endoscope guidance system and a specific endoscope with adjustable viewing angle to facilitate transnasal surgery in a human cadaver model. Materials and Methods  The applicability of the robotic endoscope guidance system with custom foot pedal controller was tested for advanced transnasal surgery on a fresh frozen human cadaver head...
December 2017: Journal of Neurological Surgery. Part B, Skull Base
https://www.readbyqxmd.com/read/29134164/visual-outcomes-after-endoscopic-pituitary-surgery-in-patients-presenting-with-preoperative-visual-deficits
#7
Felipe Fredes, Gabriel Undurraga, Pablo Rojas, Felipe Constanzo, Carolina Lazcano, Jaime Pinto, Thomas Schmidt
Introduction  Pituitary adenomas represent 15% of primary brain tumors. Visual disturbance is a common clinical manifestation of these neoplasms due, among other factors, to local mass effect on the optic system. Objective  To evaluate changes of the visual fields in patients undergoing endoscopic endonasal approach (EEA) for pituitary adenomas and to find predictive factors for successful visual field outcome. Material and Methods  This is a cross-sectional study. A review was conducted of medical records of consecutive patients with tumors of the sellar region undergoing EEA between January 2008 and December 2012 at the Skull Base Unit of Guillermo Grant Benavente Hospital, University of Concepción, Concepción, Chile, and who had undergone pre- and postoperative visual field evaluation...
December 2017: Journal of Neurological Surgery. Part B, Skull Base
https://www.readbyqxmd.com/read/29134162/lesions-mimicking-small-vestibular-schwannomas
#8
Matthias Scheich, Rudolf Hagen, Desiree Ehrmann-Müller, Brigitte Bison, Thomas Günthner-Lengsfeld, Camelia-Maria Monoranu, Hans-Ullrich Völker
Objective  Most tumors of the internal auditory canal and cerebellopontine angle (CPA) are vestibular schwannomas (VSs). Preoperative diagnosis is based on typical clinical symptoms and radiological findings. In rare cases, histopathology can, however, show different results. Design  This is a retrospective chart and database review. Setting  The study was conducted at a tertiary skull base referral center at a university hospital. Participants  A total of 207 consecutive cases of VS surgery via the middle cranial fossa approach performed between December 2005 and January 2015 were reviewed...
December 2017: Journal of Neurological Surgery. Part B, Skull Base
https://www.readbyqxmd.com/read/29126120/cranial-chordoma-a-new-preoperative-grading-system
#9
Harley Brito da Silva, David Straus, Jason K Barber, Robert C Rostomily, Manuel Ferreira, Laligam N Sekhar
BACKGROUND: Chordomas are rare but challenging neoplasms involving the skull base. A preoperative grading system will be useful to identify both areas for treatment and risk factors, and correlate to the degree of resection, complications, and recurrence. OBJECTIVE: To propose a new grading system for cranial chordomas designed by the senior author. Its purpose is to enable comparison of different tumors with a similar pathology to clivus chordoma, and statistically correlate with postoperative outcomes...
November 3, 2017: Neurosurgery
https://www.readbyqxmd.com/read/29125446/suprasellar-and-recurrent-pediatric-craniopharyngiomas-expanding-indications-for-the-extended-endoscopic-transsphenoidal-approach
#10
Andrew F Alalade, Elizabeth Ogando-Rivas, Jerome Boatey, Mark M Souweidane, Vijay K Anand, Jeffrey P Greenfield, Theodore H Schwartz
OBJECTIVE The expanded endonasal endoscopic transsphenoidal approach has become increasingly used for craniopharyngioma surgery in the pediatric population, but questions still persist regarding its utility in younger children, in recurrent and irradiated tumors, and in masses primarily located in the suprasellar region. The narrow corridor, incomplete pneumatization, and fear of hypothalamic injury have traditionally relegated this approach to application in older children with mostly cystic craniopharyngiomas centered in the sella...
November 10, 2017: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/29109836/pedicle-flaps-contribute-to-endoscopic-skull-base-surgery-and-facial-soft-tissue-repair-the-diuturnity-of-johannes-fredericus-samuel-esser-1877-1946
#11
Richard A Pollock, M Douglas Gossman
Pedicle flaps based on the external maxillary (facial) artery were introduced during the World War I, precisely a century ago. Today they remain effective tools in facial soft-tissue repair. Recently, pedicle flaps based on the internal maxillary (sphenopalatine) artery have been chosen to reliably close dural defects after endoscopic skull-base surgery. Pedicle flaps, "biologic" to the extent they are based on a defined arterial blood supply, are the lasting contributions-the diuturnity-of Johannes ("Jan") Fredericus Samuel Esser (1877-1946) of Leiden, Holland, and Chicago (IL)...
December 2017: Craniomaxillofacial Trauma & Reconstruction
https://www.readbyqxmd.com/read/29107724/prosthetic-replacement-of-the-ocular-surface-ecosystem-prose-treatment-of-ocular-surface-disease-following-skull-base-tumor-resection
#12
Carolyn E Kloek, Karen W Jeng-Miller, Deborah S Jacobs, Ian F Dunn
Prosthetic Replacement of the Ocular Surface Ecosystem (PROSE) treatment is an effective, non-surgical therapeutic option for patients with ocular surface disease related to cranial nerve deficits secondary to skull base tumor resection. This case series describes the impact of PROSE treatment in patients with symptomatic exposure keratopathy or neurotrophic keratitis after skull base tumor surgery. All patients improved symptomatically and functionally with PROSE treatment, and have had sustained improvement for as long as 3 years...
October 28, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/29105367/early-experience-with-a-patient-specific-virtual-surgical-simulation-for-rehearsal-of-endoscopic-skull-base-surgery
#13
Tae-Bin Won, Peter Hwang, Jae Hyun Lim, Sung-Woo Cho, Sun Ha Paek, Steven Losorelli, Yona Vaisbuch, Sonny Chan, Kenneth Salisbury, Nikolas H Blevins
BACKGROUND: With the help of contemporary computer technology it is possible to create a virtual surgical environment (VSE) for training. This article describes a patient-specific virtual rhinologic surgical simulation platform that supports rehearsal of endoscopic skull-base surgery. We also share our early experience with select cases. METHODS: A rhinologic VSE was developed, featuring a highly efficient direct 3-dimensional (3D) volume renderer with simultaneous stereoscopic feedback during surgical manipulation of the virtual anatomy, as well as high-fidelity haptic feedback...
November 3, 2017: International Forum of Allergy & Rhinology
https://www.readbyqxmd.com/read/29099299/perfusion-based-human-cadaveric-specimen-as-a-simulation-training-model-in-repairing-cerebrospinal-fluid-leaks-during-endoscopic-endonasal-skull-base-surgery
#14
Eisha A Christian, Joshua Bakhsheshian, Ben A Strickland, Vance L Fredrickson, Ian A Buchanan, Martin H Pham, Andrew Cervantes, Michael Minneti, Bozena B Wrobel, Steven Giannotta, Gabriel Zada
OBJECTIVE Competency in endoscopic endonasal approaches (EEAs) to repair high-flow cerebrospinal fluid (CSF) leaks is an essential component of the neurosurgical training process. The objective of this study was to demonstrate the feasibility of a simulation model for EEA repair of anterior skull base CSF leaks. METHODS Human cadaveric specimens were utilized with a perfusion system to simulate a high-flow CSF leak. Neurological surgery residents (postgraduate year 3 or greater) performed a standard EEA to repair a CSF leak using a combination of fat, fascia lata, and pedicled nasoseptal flaps...
November 3, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/29094072/endoscopic-unilateral-transethmoid-paraseptal-approach-to-the-central-skull-base
#15
Márton Eördögh, Hans Rudolf Briner, Daniel Simmen, Nicholas Jones, Robert Reisch
Objectives: The endoscopic technique in transnasal skull base surgery offers optimal visualization and free manipulation in the surgical field. However, it may cause approach-related sinonasal injury, influencing patients' quality of life (QOL). To minimize rhinological morbidity without restrictions in surgical manipulation and tumor resection, we introduced the unilateral transethmoidal-paraseptal approach. In this article, we analyzed the long-term results and sinonasal outcome of this technique...
October 2017: Laryngoscope Investigative Otolaryngology
https://www.readbyqxmd.com/read/29084008/delayed-complications-from-expanded-endonasal-surgery-for-intracranial-tumors
#16
Mathew N Geltzeiler, Eric W Wang
PURPOSE OF REVIEW: Delayed complications after endoscopic endonasal approaches to the skull base, defined as complications greater than 1 month postoperatively, are uncommon. These complications are divided into categories including sinonasal, neuroanatomic, endocrine and vascular. This review highlights the most up-to-date advancements and reviews the management of delayed complications for skull base patients. RECENT FINDINGS: Over the last 10 years, the field of endoscopic endonasal skull base surgery has expanded with new data highlighting the long-term patient outcomes...
October 27, 2017: Current Opinion in Otolaryngology & Head and Neck Surgery
https://www.readbyqxmd.com/read/29080945/planning-of-skull-reconstruction-based-on-a-statistical-shape-model-combined-with-geometric-morphometrics
#17
Marc Anton Fuessinger, Steffen Schwarz, Carl-Peter Cornelius, Marc Christian Metzger, Edward Ellis, Florian Probst, Wiebke Semper-Hogg, Mathieu Gass, Stefan Schlager
PURPOSE: Virtual reconstruction of large cranial defects is still a challenging task. The current reconstruction procedures depend on the surgeon's experience and skills in planning the reconstruction based on mirroring and manual adaptation. The aim of this study is to propose and evaluate a computer-based approach employing a statistical shape model (SSM) of the cranial vault. METHODS: An SSM was created based on 131 CT scans of pathologically unaffected adult crania...
October 28, 2017: International Journal of Computer Assisted Radiology and Surgery
https://www.readbyqxmd.com/read/29076075/proximal-type-epithelioid-sarcoma-in-skull-base-a-pathological-diagnosis-challenge-with-other-intracranial-tumors
#18
Duan Zejun, Yao Kun, Lu Dehong, Qi Xueling
Proximal-type ES (PES) is a rare and aggressive sarcoma originated from soft tissues with uncertain differentiation. It mainly affects middle-aged patients and often locates in proximal extremity and deep-seated tissues. Only one case of PES located in the skull base has been reported to date. Herein, we report two cases of PES occurred in the middle cranial fossa in two middle-aged Chinese women. Microscopically, the tumors were consisted of epithelial-like cells with or without rhabdoid cells. And frequent mitotic activity and coagulation necrosis were present...
October 26, 2017: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/29075162/complications-of-skull-base-surgery
#19
REVIEW
Mofiyinfolu Sokoya, Moustafa Mourad, Yadranko Ducic
Approaches to surgical management of skull base pathology and reconstruction of skull base defects have evolved over the past several decades. The goal, however, remains the same-to effectively address the pathology with minimal complications. In this article, the authors try to explore multiple complications of skull base surgery, discussing their incidence, natural course, and prevention. This will prove beneficial in optimal management of patients with a myriad of skull base disorders.
November 2017: Seminars in Plastic Surgery
https://www.readbyqxmd.com/read/29075160/osseointegrated-implants-and-prosthetic-reconstruction-following-skull-base-surgery
#20
REVIEW
Shirley Hu, Demetri Arnaoutakis, Sameep Kadakia, Allison Vest, Raja Sawhney, Yadranko Ducic
Rehabilitation following ablative skull base surgery remains a challenging task, given the complexity of the anatomical region, despite the recent advances in reconstructive surgery. Remnant defects following resection of skull base tumors are often not amenable to primary closure. As such, numerous techniques have been described for reconstruction, including local rotational muscle flaps, pedicled flaps with skin paddle, or even free tissue transfer. However, not all patients are appropriate surgical candidates and therefore may instead benefit from nonsurgical options for functional and aesthetic restoration...
November 2017: Seminars in Plastic Surgery
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