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Facial nerve dissection

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https://www.readbyqxmd.com/read/29127505/high-resolution-ultrasonography-of-the-normal-extratemporal-facial-nerve
#1
Hannes Wegscheider, Gerd Fabian Volk, Orlando Guntinas-Lichius, Bernhard Moriggl
The technical advances in sonography of the past decade have supported the rapid improvement of high-resolution imaging, which enables the quick visualization of peripheral nerves at relatively limited costs. Recently, the possibility of visualizing the extratemporal facial nerve (FN) has been considered. This manuscript describes the first systematic evaluation in cadavers, of a novel ultrasonographic approach with this specific aim. Eight cadaveric hemifaces were evaluated by means of high-frequency ultrasound with two linear (13 and 22 MHz) and a convex transducer (6...
November 10, 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/29122337/study-of-anatomical-variations-of-the-zygomaticofacial-foramen-and-calculation-of-reliable-reference-points-for-operation
#2
A Ferro, S Basyuni, C Brassett, V Santhanam
Dissection on to the facial aspect of the zygoma is common in procedures of the midface for trauma, craniofacial deformity, and cosmesis. These procedures carry the risk of injury to the neurovascular structures that exit from the zygomaticofacial foramen (ZFF). The purpose of this study was to map the ZFF, and to establish reliable reference points from which to identify it before and during operation. We also aimed to compare the anatomy of the ZFF between sexes and among geographical populations. A total of 429 adult skulls from nine geographical sites were used...
November 6, 2017: British Journal of Oral & Maxillofacial Surgery
https://www.readbyqxmd.com/read/29111474/the-middle-temporal-artery-surgical-anatomy-and-exposure-for-cerebral-revascularization
#3
Roberto Rodriguez Rubio, Michael T Lawton, Olivia Kola, Halima Tabani, Sonia Yousef, Ali Tayebi Meybodi, Jan-Karl Burkhardt, Ivan El-Sayed, Arnau Benet
BACKGROUND: The middle temporal artery (MTA) is the proximal medial branch of the superficial temporal artery (STA), supplying the temporalis muscle along with deep temporal arteries. Its use in vascularized flaps for reconstructive and otologic procedures has been described, yet its potential use in neurosurgery is not studied. We report a novel technique for exposing the MTA and evaluated its characteristics for extracranial-intracranial (EC-IC) cerebrovascular bypass. METHODS: After a curvilinear frontotemporal incision in 10 cadaveric specimens, the STA was dissected from distal to proximal...
October 27, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/29104153/anatomical-study-of-the-extracranial-needle-trajectory-using-the-hartel-technique-for-percutaneous-treatment-of-trigeminal-neuralgia
#4
Joe Iwanaga, Filippo Badaloni, Tyler Laws, Rod J Oskouian, R Shane Tubbs
OBJECTIVE: The aim of this study was to describe the anatomical trajectory of the extracranial needle for percutaneous rhizotomy and correlate this with structures at risk during such a procedure. METHODS: Six sides from three frozen fresh Caucasian heads were used in this study. Hartel's anatomic landmarks for percutaneous trigeminal rhizotomy procedures were used. A free hand technique was then used and intraprocedural visualization of the needle performed with fluoroscopy...
November 2, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/29102739/the-role-of-125-i-interstitial-brachytherapy-for-inoperable-parotid-gland-carcinoma
#5
Ming-Wei Huang, Wen-Jie Wu, Xiao-Ming Lv, Guang-Yan Yu, Jian-Guo Zhang
PURPOSE: The treatment of inoperable parotid gland carcinoma is challenging and controversial. The purpose of this paper was to present our experience in treating this malignancy using (125)I interstitial brachytherapy. METHODS AND MATERIALS: Thirteen patients with advanced carcinomas of the parotid gland were included and treated with (125)I interstitial brachytherapy in Peking University School and Hospital of Stomatology from January 2003 to December 2015. All patients were treated with (125)I interstitial brachytherapy as a sole modality for the primary tumor...
November 1, 2017: Brachytherapy
https://www.readbyqxmd.com/read/29101765/novel-anatomic-mapping-of-pelvic-plexus-at-prostatic-and-periprostatic-region-on-fresh-frozen-cadaveric-setting
#6
Emre Huri, Mustafa F Sargon, Ilkan Tatar, Makbule Cisel Aydin, Mehmet Ezer, Figen Soylemezoglu
PURPOSE: We aimed to investigate the exact localization of neural pathway and the frequency of nerve fibers, which are located in the pelvic facial layers in the prostate and periprostatic regions. MATERIALS AND METHODS: We used four fresh frozen cadavers in this trial. Anatomical layers of anterior rectus fascia and abdominal rectus muscle were dissected to reach the retropubic area. Prostate, visceral and parietal pelvic fascia, levator ani muscle and puboprostatic ligaments were identified...
November 4, 2017: Urology Journal
https://www.readbyqxmd.com/read/29092806/an-effective-surgical-approach-for-the-management-of-recurrent-first-branchial-cleft-fistula-with-cysts-a-case-report
#7
Mi Jang, Chunfu Dai
The goal of this case report is to describe an unusual case of recurrent first branchial cleft fistula with cysts and the effective surgical approach of complete removal with preservation of the facial nerve. A 27-year-old woman presented to our clinic after unsuccessful removal twice during the last 20 years. We have achieved satisfactory outcomes by using an approach to identify the facial nerve at the stylomastoid foramen with canal wall up mastoidectomy under a microscope. No sign of facial palsy, hearing loss, or recurrence were noted in postoperative follow-up...
November 2, 2017: Journal of International Advanced Otology
https://www.readbyqxmd.com/read/29092802/the-effects-of-mesna-on-the-facial-nerve-an-experimental-animal-study
#8
Deniz Baklacı, Rauf Oğuzhan Kum, Sezer Kulaçoğlu, Yavuz Fuat Yılmaz, Müge Özcan
OBJECTIVE: MESNA (Sodium-2-mercaptoethanesulfonate) is a mucolytic substance that is used for chemically assisted tissue dissection in various surgical operations. The aim of this study was to address the issue of possible neurotoxicity from topical administration of MESNA solution on the facial nerve. We used different concentrations of MESNA solution and evaluated their effects on facial nerve by histopathological and functional analysis. MATERIALS AND METHODS: These groups were the saline administered group (control) (3 rats, 6 facial nerves), the 25% MESNA solution group (3 rats, 6 facial nerves), and the 100% MESNA solution group (3 rats, 6 facial nerves)...
November 2, 2017: Journal of International Advanced Otology
https://www.readbyqxmd.com/read/29057182/anterior-inferior-cerebellar-arteries-juxtaposed-with-the-internal-acoustic-meatus-and-their-relationship-to-the-cranial-nerve-vii-viii-complex
#9
Fernando Alonso, Mohammad W Kassem, Joe Iwanaga, Rod J Oskouian, Marios Loukas, Amin Demerdash, R Shane Tubbs
Vascular loops in the cerebellopontine angle (CPA) and their relationship to cranial nerves have been used to explain neurological symptoms. The anterior inferior cerebellar artery (AICA) has variable branches producing vascular loops that can compress the facial cranial nerve (CN) VII and vestibulocochlear (CN VIII) nerves. AICA compression of the facial-vestibulocochlear nerve complex can lead to various clinical presentations, including hemifacial spasm (HFS), tinnitus, and hemiataxia. The formation of arterial loops inside or outside of the internal auditory meatus (IAM) can cause abutment or compression of CN VII and CN VIII...
August 16, 2017: Curēus
https://www.readbyqxmd.com/read/29051404/complications-after-parotid-gland-surgery-our-experience
#10
Antonio Romano, Antonia Cama, Raffaele Corvino, Pasquale Graziano, Marco Friscia, Giorgio Iaconetta, Luigi Califano
AIM: Complications after parotid surgery include deficit of the facial nerve, wound complications, as sialocele and salivary fistula, and Frey syndrome; the goal of this study was to evaluate the relationship between the type of parotid surgery performed and the incidence of each of these complications. MATERIAL OF STUDY: A total of 184 patients were evaluated and 158 were included in the study. Four different kinds of intervention were made: extracapsular dissection, partial superficial parotidectomy; superficial parotidectomy and total parotidectomy...
2017: Annali Italiani di Chirurgia
https://www.readbyqxmd.com/read/28975191/extracapsular-dissection-vs-superficial-parotidectomy-of-benign-parotid-lesions-surgical-outcomes-and-cost-effectiveness-analysis
#11
Masanari G Kato, Evren Erkul, Shaun A Nguyen, Terry A Day, Joshua D Hornig, Eric J Lentsch, M Boyd Gillespie
Importance: The clinical implications of extracapsular dissection over superficial parotidectomy are controversial and limited in data on cost-effectiveness. Objective: To compare extracapsular dissection with superficial parotidectomy for benign parotid tumors with respect to surgical outcomes and cost-effectiveness. Design, Setting, and Participants: This was a retrospective medical record review and cost-effectiveness analysis performed from August 2012 to November 2015 at a tertiary care institution...
September 21, 2017: JAMA Otolaryngology—Head & Neck Surgery
https://www.readbyqxmd.com/read/28961964/deep-temporal-nerve-transfer-for-facial-reanimation-anatomic-dissections-and-surgical-case-report
#12
Mark A Mahan, Walavan Sivakumar, David Weingarten, Justin M Brown
BACKGROUND: Facial nerve palsy is a disabling condition that may arise from a variety of injuries or insults and may occur at any point along the nerve or its intracerebral origin. OBJECTIVE: To examine the use of the deep temporal branches of the motor division of the trigeminal nerve for neural reconstruction of the temporal branches of the facial nerve for restoration of active blink and periorbital facial expression. METHODS: Formalin-fixed human cadaver hemifaces were dissected to identify landmarks for the deep temporal branches and the tension-free coaptation lengths...
September 8, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28938322/the-relationship-of-the-temporal-branch-of-the-facial-nerve-to-the-fascial-planes-of-temporal-region-in-human-fetuses
#13
Özlem Elvan, Alev Bobuş Kara, Mesut Sabri Tezer, Mustafa Aktekin
The aim of this study was to obtain information by assessing the relationship between temporal region fascial structures, fat pads, and temporal branches of facial nerve in human fetuses to use the knowledge on treatment of early childhood period surgeries. This anatomic dissection study was conducted on 40 hemifaces with no visible external abnormalities on their faces. Fascial layers and related fat pads of temporal region were dissected layer by layer beginning from superficial to deep. The relations of temporal branches of facial nerve and temporoparietal fascia and the structures of these fascial layers were evaluated...
November 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28927220/intraspinosum-middle-meningeal-artery-ligation-a-simple-technique-to-control-bleeding-in-the-middle-fossa-during-the-anterior-transpetrosal-approach
#14
Shunsuke Shibao, Hamid Borghei-Razavi, Kazunari Yoshida
BACKGROUND: Although the greater superficial petrosal nerve (GSPN) is an important landmark of the anterior transpetrosal approach (ATPA), bleeding from the interdural space around the foramen spinosum (FS), the GSPN, and the foramen ovale impedes the identification of the GSPN, during epidural dissection in the ATPA. OBJECTIVE: To describe the technique of intraspinosum middle meningeal artery (MMA) ligation, which enables us to control bleeding from the interdural space...
April 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28922882/microsurgical-anatomy-of-the-interfascial-vein-its-significance-in-the-interfascial-dissection-of-the-pterional-approach
#15
Alvaro Campero, Pablo Ajler, Martín Paíz, Ramiro López Elizalde
BACKGROUND: The pterional approach (PA), together with its variants, is still one of the most common methods used by surgeons to reach the anterior and middle cranial base. A highly important technical detail during a PA is the preservation of the frontotemporal branch of the facial nerve, which can be achieved through an interfascial dissection. OBJECTIVE: To describe the anatomy of the interfascial vein (IFV), highlighting its recognition as a significant anatomic reference to perform an interfascial dissection (IFD)...
October 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28918759/ultrasonic-bone-aspirator-use-in-endoscopic-ear-surgery-feasibility-and-safety-assessed-using-cadaveric-temporal-bones
#16
E G Gardner, J Sappington, M A Arriaga, S P Kanotra
OBJECTIVES: To describe the feasibility and assess the safety of using an ultrasonic bone aspirator in endoscopic ear surgery. METHODS: Five temporal bones were dissected via endoscopic ear surgery using a Sonopet ultrasonic bone aspirator. Atticoantrostomy was undertaken. Another four bones were dissected using routine endoscopic equipment and standard bone curettes in a similar manner. Feasibility and safety were assessed in terms of: dissection time, atticoantrostomy adequacy, tympanomeatal flap damage, chorda tympani nerve injury, ossicular injury, ossicular chain disruption, facial nerve exposure and dural injury...
September 18, 2017: Journal of Laryngology and Otology
https://www.readbyqxmd.com/read/28918071/the-masseteric-nerve-an-anatomical-study-in-thai-population-with-an-emphasis-on-its-use-in-facial-reanimation
#17
Apichai Angspatt, Chirayu Pannanusorn
BACKGROUND: The use of the masseteric nerve has been escalated as a donor nerve for facial reanimation in facial palsy patient (Wang et al., 2014; Manktelow et al., 2006; Klebuc, 2011; Bianchi et al., 2012; Zuker et al., 2000; Bae et al., 2006; Terzis, Konofaos, 2013; Terzis, Olivares, 2009; Bianchi et al., 2014). Previous studies had been done in Euro-Caucasian cadavers (Kaya et al., 2014). However, difference in anatomical details does exist between Asian and Euro-Caucasian population (Tzou et al...
September 13, 2017: Asian Journal of Surgery
https://www.readbyqxmd.com/read/28863115/treatment-of-posterior-inferior-cerebellar-artery-adhesion-on-petrous-bone-during-microvascular-decompression-procedure-for-hemifacial-spasm-technique-note
#18
Xiangyu Wei, Xuesheng Zheng, Shiting Li, Wenxiang Zhong, Zheng Chen
Hemifacial spasm is a hyperactive cranial nerve disease mainly characterized by unilateral facial muscles paroxysmal, involuntary, irregular and clonic convulsion. Standard microvascular decompression is currently the most effective solution. During operation, it is pivotal to conduct a sharp dissection of arachnoid membrane around the caudal cranial nerves and facial, auditory nerves for fully exposure of pontomedullary sulcus, and lateral pontine region. In this article, the authors demonstrate a hemifacial spasm patient who underwent microvascular decompression successfully in their department...
September 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28861369/microsurgical-dissection-of-facial-nerve-in-parotidectomy-a-discussion-of-techniques-and-long-term-results
#19
Fabio Nicoli, Christopher D'Ambrosia, Davide Lazzeri, Georgios Orfaniotis, Pedro Ciudad, Michele Maruccia, Li Tzong Shiun, Bulent Sacak, Shih-Heng Chen, Hung-Chi Chen
BACKGROUND: Parotidectomy has well-documented post-operative complications. Dissection of the facial nerve branches can be challenging even under loupe magnification, and partial, or complete injury of the nerve branches can occur during surgery. To reduce this risk and the associated complications, we propose a number of microsurgical best practices, which can be performed during parotidectomy. METHODS: A retrospective survey was conducted on 109 patients (45 males and 64 females, average age 46...
August 2017: Gland Surgery
https://www.readbyqxmd.com/read/28838108/the-infrazygomatic-segment-of-the-superficial-temporal-artery-anatomy-and-technique-for-harvesting-a-better-interposition-graft
#20
Ali Tayebi Meybodi, Michael T Lawton, Ivan El-Sayed, Jason Davies, Halima Tabani, Xuequan Feng, Arnau Benet
BACKGROUND: The superficial temporal artery (STA) is underutilized as an interposition graft because current techniques expose and harvest STA above the level of the zygoma. This technique yields a diminutive arterial segment in both length and diameter, which limits its use for extracranial-intracranial bypass. OBJECTIVE: To introduce a safe and efficient technique for harvesting of the infrazygomatic segment of the STA. METHODS: Scalp layers, STA, and the facial nerve were studied in 18 specimens...
August 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
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