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Facial nerve dissection

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https://www.readbyqxmd.com/read/28796091/comparing-outcomes-following-salvage-microsurgery-in-vestibular-schwannoma-patients-failing-gamma-knife-radiosurgery-or-microsurgery
#1
Hyun-Jin Lee, Mi Joo Kim, Seung Hyun Koh, Won Seok Chang, In Seok Moon
OBJECTIVE: The increasing use of primary gamma-knife radiosurgery (GKS) for the treatment of vestibular schwannoma (VS) has led to a concomitant increase in the number of patients requiring salvage surgery for GKS failure. When patients underwent GKS as the primary treatment, it is known that dissecting tumor from adjacent nerves during salvage surgery is more difficult. In this report, we share our clinical experience with such patients and analyze the clinical findings of patients with tumor regrowth/recurrence...
August 8, 2017: Otology & Neurotology
https://www.readbyqxmd.com/read/28770163/modified-drainage-of-submasseteric-space-abscess
#2
Moon-Gi Choi
Once a submasseteric space infection is diagnosed, the key to resolving the infection is via surgical intervention to evacuate the pus. Although it is possible and occasionally practical to drain the submasseteric space via an intraoral approach, an extraoral approach may sometimes be required. Surgeons have encountered complications such as facial nerve damage during extraoral incision and drainage procedures, and they have felt that extraoral dissection was very difficult. As such, an easier and simpler technique is needed...
June 2017: Journal of the Korean Association of Oral and Maxillofacial Surgeons
https://www.readbyqxmd.com/read/28754171/stab-injury-to-the-preauricular-region-with-laceration-of-the-external-carotid-artery-without-involvement-of-the-facial-nerve-a-case-report
#3
Diogo Casal, Giovanni Pelliccia, Diogo Pais, Diogo Carrola-Gomes, Maria Angélica-Almeida, José Videira-Castro, João Goyri-O'Neill
BACKGROUND: Open injuries to the face involving the external carotid artery are uncommon. These injuries are normally associated with laceration of the facial nerve because this nerve is more superficial than the external carotid artery. Hence, external carotid artery lesions are usually associated with facial nerve dysfunction. We present an unusual case report in which the patient had an injury to this artery with no facial nerve compromise. CASE PRESENTATION: A 25-year-old Portuguese man sustained a stab wound injury to his right preauricular region with a broken glass...
July 29, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/28746270/facial-nerve-supply-to-the-orbicularis-oculi-around-the-lower-eyelid-anatomy-and-its-clinical-implications
#4
Yeop Choi, Hyun Gu Kang, Yong Seok Nam, Jae-Goo Kang, In-Beom Kim
BACKGROUND: The motor innervation of the lower orbicularis oculi has not been clearly established. There is a discrepancy between anatomical descriptions and clinical outcomes of the motor innervation of the pretarsal orbicularis oculi muscle. Therefore, the purposes of this study were to identify every motor and sensory nerve of the lower eyelid, and to reveal the detailed motor nerve pathways toward the medial canthal area. METHODS: Fresh cadaver dissections were performed on 50 hemifaces under a surgical microscope...
August 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28741402/bipolar-dissection-technique-in-parotid-gland-surgery
#5
Andreas Knopf, Clemens Heiser, Özlem Karasoy, Benedikt Hofauer, Henning Bier, Naglaa Mansour
BACKGROUND: Parotid gland surgery (PGS) has to manage the balancing act between sufficient radicality and preservation of functional structures. While many studies evaluate post-therapeutic complication due to different extent of surgery, the current study introduces bipolar dissection (BP) being a fast and safe preparation technique. METHODS: Analysis of clinical parameters (age, sex, tumour entity, treatment modalities, facial nerve palsy, bleeding, saliva fistula and Frey's syndrome) of 319 consecutively included patients who underwent extracapsular dissection and superficial/total/radical parotidectomy...
July 25, 2017: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/28738189/surgical-landmarks-to-locating-the-main-trunk-of-the-facial-nerve-in-parotid-surgery-a-systematic-review
#6
Yisi D Ji, R Bruce Donoff, Zachary S Peacock, Eric R Carlson
PURPOSE: The purpose of this study was to describe distances from commonly used anatomic landmarks to the main trunk of the facial nerve during parotid surgery. MATERIALS AND METHODS: A systematic search of the published literature was performed according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. All studies from January 1, 1990 to January 1, 2017 that measured distances to the main trunk of the facial nerve from common anatomic landmarks were eligible...
June 30, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28737561/a-cadaver-study-to-assess-the-feasibility-of-a-cross-nerve-transfer-of-the-infraorbital-nerve-for-patients-with-peripheral-infraorbital-nerve-injury
#7
Tomoyuki Yano, Keiichi Akita, Kumiko Yamaguchi, Masayuki Sawaizumi
BACKGROUND: Patients with facial fracture or head and neck surgery sometimes suffer from infraorbital nerve injury. This injury results in severe hemilateral numbness in the midfacial area. The infraorbital nerve ends with two major branches; the infra nasal branch (INB) and superior labial branch (SLB). In this study, we assessed the feasibility of cross-nerve transfer of the INB and SLB based on a cadaver study. METHODS: The INB/SLB from a total 20 sides of 10 cadavers (2 men and 8 women; average age, 79...
July 22, 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28725513/facial-nerve-schwannomas-mimicking-as-vestibular-schwannomas
#8
Beth N McNulty, Sean Wise, David S Cohen, Jason Bell, Dennis Bojrab, Michael LaRouere, Matthew Kircher, Seilesh Babu
Objective  The objective of this study was to identify preoperative and intraoperative findings that may aid in distinguishing facial nerve schwannomas (FNS) from vestibular schwannomas (VSs), particularly in cases limited to the internal auditory canal (IAC) and cerebellopontine angle (CPA). Study Design  This was a retrospective study. Setting  This study was set at a Tertiary Referral Center. Patients  Seventeen cases from October 2002 to July 2015 with an IAC/CPA mass presumed to be a VS who were found to have a FNS intraoperatively...
August 2017: Journal of Neurological Surgery. Part B, Skull Base
https://www.readbyqxmd.com/read/28712884/the-supraorbital-region-revisited-an-anatomic-exploration-of-the-neuro-vascular-bundle-with-regard-to-frontal-migraine-headache
#9
Valeria Berchtold, Hannes Stofferin, Bernhard Moriggl, Erich Brenner, Reinhard Pauzenberger, Marko Konschake
BACKGROUND: Recent findings on the pathogenesis of frontal migraine headache support, besides a central vasogenic cause, an alternative peripheral mechanism involving compressed craniofacial nerves. This is further supported by the efficiency of botulinum toxin injections as a new treatment option in frontal migraine headache patients. METHODS: The supraorbital regions of 22 alcohol-glycerine-embalmed facial halves of both sexes were dissected. Both the supratrochlear and supraorbital nerves (STN and SON, respectively) were identified, and their relationship with the corrugator supercilii muscle (CSM) was investigated by dissection and ultrasound...
June 27, 2017: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/28704636/partial-superficial-superficial-and-total-parotidectomy-in-the-management-of-benign-parotid-gland-tumors-a-10-year-prospective-study-of-205-patients
#10
Panagiotis Stathopoulos, Dimosthenis Igoumenakis, William P Smith
PURPOSE: The aim of this report is to present an overview of the authors' experience in treating parotid gland tumors for a period of 10 years. This report describes patients' demographics, surgical outcomes, and complications and discusses the management of benign disease with particular emphasis on the importance of facial nerve dissection. PATIENTS AND METHODS: A total of 205 consecutive patients with different parotid gland tumors underwent surgery at Northampton General Hospital (Northampton, UK) from October 2000 to November 2010...
June 23, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28678580/reconstructive-subperiosteal-midface-lift-a-three-nonvisible-incision-approach
#11
Marco Sales-Sanz, Constanza Barrancos, Hae-Ryung Won-Kim, Andrea Sales-Sanz, César Colmenero
This article describes our surgical technique for subperiosteal midface elevation in patients with paralytic lower eyelid malposition or cicatricial inferior eyelid retraction. Nineteen patients with paralytic lower eyelid malposition and 15 patients with cicatricial inferior eyelid retraction underwent a subperiosteal midface lift (n = 34). The procedure was performed under local anesthesia through three nonvisible incisions. A transconjunctival incision allows preseptal dissection to the orbital rim, followed by a subperiosteal dissection of the midface...
July 5, 2017: Orbit
https://www.readbyqxmd.com/read/28662373/anastomotic-patterns-of-the-facial-parotid-plexus-pp-a-human-cadaver-study
#12
Habib Bendella, Barbara Spacca, Svenja Rink, Hans-Jürgen Stoffels, Makoto Nakamura, Martin Scaal, Heide Heinen, Orlando Guntinas-Lichius, Roland Goldbrunner, Maria Grosheva, Doychin N Angelov
Details of the human facial parotid plexus (PP) are not readily accessible during ordinary anatomical teaching because of insufficient time and difficulties encountered in the preparation. For parotid and facial nerve surgery however, precise knowledge of PP is of crucial importance. The aim of this study was therefore to provide more details of PP in anatomic specimens. Following anatomical dissection, its location, syntopy and morphology were analyzed in 158 cervico-facial halves of 95 cadavers. The facial nerve (FN) divides into a larger temporo-facial and a smaller cervico-facial trunk...
September 2017: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/28634493/an-exceptional-case-of-intraparotid-plexiform-neurofibroma-originating-from-autonomic-fibers-of-the-auriculotemporal-nerve
#13
Sarantis Blioskas, Sotiris Sotiriou, Katerina Rizou, Triantafyllia Koletsa, Petros Karkos, Anna Kalogera-Fountzila, Konstantinos Markou
Plexiform neurofibromas are benign tumors that tend to occur in patients suffering from neurofibromatosis type 1 (NF-1). This report addresses a rare case where the tumor affected the parotid gland, deriving almost exclusively from the peripheral portion of the facial nerve. A 6-year-old male was referred to us complaining about a gradually enlarging swelling over the right parotid area. Imaging localized the lesion to the superficial lobe of the parotid gland, suggesting a neurofibroma. Cosmetic disfigurement and a functional deficit led us to perform complete surgical resection...
2017: Case Reports in Medicine
https://www.readbyqxmd.com/read/28615814/an-anatomical-study-for-localisation-of-zygomatic-branch-of-facial-nerve-and-masseteric-nerve-an-aid-to-nerve-coaptation-for-facial-reanimation-surgery-a-cadaver-based-study-in-eastern-india
#14
Ratnadeep Poddar, Alipta Bhattacharya, Iman Sinha, Asis Kumar Ghosal
CONTEXT: In cases of chronic facial palsy, where direct neurotisation is possible, ipsilateral masseteric nerve is a very suitable motor donor. We have tried to specifically locate the masseteric nerve for this purpose. AIMS: Describing an approach of localisation and exposure of both the zygomatic branch of Facial nerve and the nerve to masseter, with respect to a soft tissue reference point over face. SETTINGS AND DESIGN: Observational cross sectional study, conducted on 12 fresh cadavers...
January 2017: Indian Journal of Plastic Surgery: Official Publication of the Association of Plastic Surgeons of India
https://www.readbyqxmd.com/read/28597346/the-rate-of-facial-nerve-dysfunction-and-time-to-recovery-after-intraparotid-and-extraparotid-facial-nerve-exposure-and-protection-in-head-and-neck-cutaneous-tumor-surgery
#15
Yasuhiro Nakamura, Yukiko Teramoto, Yuri Asami, Taichi Imamura, Sayuri Sato, Ryota Tanaka, Hiroshi Maruyama, Yoshiyuki Nakamura, Yasuhiro Fujisawa, Manabu Fujimoto, Akifumi Yamamoto
BACKGROUND: Most patients with head and neck skin tumors present with normal facial nerve function. A common treatment strategy for these patients is facial nerve preservation surgery, although the degree to which the nerve is successfully preserved is still unclear. Data on the incidence and recovery of facial nerve dysfunction are woefully lacking in the field of dermato-oncology. METHODS: In 23 patients with normal preoperative facial nerve function, we retrospectively reviewed twenty-six head and neck surgical interventions that included facial nerve exposure and protection, focusing particularly on the differences in outcome between intraparotid and extraparotid exposure of the facial nerve branches...
June 9, 2017: International Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28578308/an-unusual-position-of-retromandibular-vein-a-surgical-challenge-in-parotid-surgeries
#16
Prasanna Kumar Saravanam, Vinoth Manimaran
A 44-year-old man presented with swelling in the left parotid region. The swelling was firm and Fine Needle Aspiration Cytology report proved pleomorphic adenoma. In the CT scan, the tumour was confined to the superficial lobe of parotid. So, left superficial parotidectomy was planned. Modified Wilson Blair's incision was used. On course of identifying the facial nerve, a large calibre vein was identified running vertically through the parotid substance. Assuming it as retromandibular vein, further dissection was carried out more meticulously...
June 3, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28576712/preserving-the-facial-nerve-during-the-orbitozygomatic-craniotomy-surgical-anatomy-assessment-and-stepwise-illustration
#17
Ali Tayebi Meybodi, Michael T Lawton, Sonia Yousef, Jj González Sánchez, Arnau Benet
OBJECTIVE: Surgical safety and efficiency during an OZ osteotomy rely on thorough knowledge of the surgical anatomy of the facial nerve. Although the anatomy of the facial nerve and its relation to the pterional craniotomy are described, a thorough assessment of facial nerve preservation techniques during the OZ approach and its variations is lacking. We assessed the surgical anatomy of the facial nerve related to the OZ and provided a thorough stepwise description on how to preserve it...
May 30, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28552738/dumbbell-shape-hydatid-cyst-of-meckel-cave-extending-to-cerebellopontine-angle-and-middle-fossa-surgical-technique-and-outcome-of-rare-case
#18
Mousa Taghipour, Arash Saffarrian, Fariborz Ghaffarpasand, Negar Azarpira
BACKGROUND: Cerebral hydatid cyst is among the rare presentations of echinococcosis. Almost all the reported cases of intracranial hydatid cysts are in the cortical regions (parietal lobe in the territory of the middle cerebral artery), and all have been removed surgically using the water jet dissection technique. However, in locations in which there are several neuronal structures, such as the cerebellopontine angle, this method might not be applicable. CASE DESCRIPTION: A 62-year-old lady presented to our outpatient clinic with left-sided facial deviation, inability to close the eyes, and diplopia since a month before...
August 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28534074/facial-nerve-sparing-surgery-for-large-vestibular-schwannomas
#19
Paolo Ferroli, Lorenzo Bosio, Morgan Broggi
BACKGROUND: Nowadays, there is a general trend in vestibular schwannoma (VS) surgery favoring near-total or subtotal tumor resection (NTR/STR) with facial nerve (FN) function preservation rather than gross total resection (GTR) with high risk of FN damage. METHODS: The surgical technique of FN sparing in large VS includes patient-tailored image-guided craniotomy, continuous intraoperative neurophysiological monitoring (INM), intracapsular wide tumor debulking, and only final extracapsular dissection with FN course identification and brainstem decompression...
July 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28521360/exposure-of-the-external-carotid-artery-through-the-posterior-triangle-of-the-neck-a-novel-approach-to-facilitate-bypass-procedures-to-the-posterior-cerebral-circulation
#20
Ali Tayebi Meybodi, Michael T Lawton, Pooneh Mokhtari, Olivia Kola, Ivan H El-Sayed, Arnau Benet
BACKGROUND: The external carotid artery (ECA) is the main high-flow donor for extracranial-intracranial revascularization procedures. However, anatomic restraints limit the availability of ECA in posterior exposures of the craniocervical junction aimed for bypass to distal vertebral artery segments. OBJECTIVE: To examine the feasibility and safety of exposure of the ECA through the posterior triangle of the neck. METHODS: A preliminary feasibility study on the posterior neck exposure of the ECA was performed in 1 cadaveric head (2 sides) followed by a morphometric study on 9 cadaveric heads (18 sides)...
June 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
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