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Cervical artery dissection

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https://www.readbyqxmd.com/read/29770500/variable-anatomic-configuration-of-the-posterior-spinal-arteries-in-humans
#1
Santiago Rojas, Marisa Ortega, Alfonso Rodríguez-Baeza
INTRODUCTION: Posterior spinal arteries (PSAs) arise from the vertebral (VA) or posterior inferior cerebellar (PICA) artery. We identified variations in their origins and their anastomosis with the first posterior radiculomedullary branches in human spinal cords. MATERIALS AND METHODS: Spinal cords from male and female cadavers (n = 30) were injected with colored latex through the vertebral, ascending cervical, costocervical trunk and segmental arteries. Specimens were fixed in formalin and the spinal arteries were dissected under a surgical microscope...
May 17, 2018: Clinical Anatomy
https://www.readbyqxmd.com/read/29764015/-treatment-and-prognosis-of-264-patients-with-hypopharyngeal-carcinoma
#2
W Xu, Z H Lyu, N Sa, J K Ma, J J Tian, S H Feng, P Cui, H Y Cao
Objective: To investigate the key factors influencing the prognosis of hypopharyngeal carcinoma and the therapeutic methods improving the efficacy of treatments for hypopharyngeal carcinoma. Methods: Two hundred and sixty-four cases of hypopharyngeal squamous cell carcinoma treated from May 2010 to May 2015 were analyzed retrospectively. There were 211 cases of pyriform sinus carcinoma, 37 cases of posterior pharyngeal wall carcinoma, and 16 cases of postcricoid carcinoma. According to UICC 2002 criteria, 2 cases were for stage Ⅰ, 14 for stage Ⅱ, 32 for stage Ⅲ and 216 for stage Ⅳ...
May 7, 2018: Zhonghua Er Bi Yan Hou Tou Jing Wai Ke za Zhi, Chinese Journal of Otorhinolaryngology Head and Neck Surgery
https://www.readbyqxmd.com/read/29747261/-significance-of-the-definition-and-detailing-of-the-central-neck-compartment-in-the-treatment-of-thyroid-carcinoma
#3
J Wang, S Y Wang
The cervical lymph node metastasis is a risk factor for the high recurrence rate and low survival rate in patients with thyroid carcinoma (especially for age ≥45 years old), which is the most common head and neck carcinoma. The neck lymphatic metastasis, mostly occurring in the central neck compare, is diagnosed among 20%-90% of patients with differentiated thyroid carcinoma. To definite the anatomic boundaries of the central lymph nodes and their subgroups is significantly important for thyroid carcinoma, such as the determination of surgical extent, the evaluation of prognosis and the choice of different treatment strategies...
April 7, 2018: Zhonghua Er Bi Yan Hou Tou Jing Wai Ke za Zhi, Chinese Journal of Otorhinolaryngology Head and Neck Surgery
https://www.readbyqxmd.com/read/29741225/prediction-of-vascular-abnormalities-on-ct-angiography-in-patients-with-acute-headache
#4
Imanda M E Alons, Ben F J Goudsmit, Korné Jellema, Marianne A A van Walderveen, Marieke J H Wermer, Ale Algra
OBJECTIVES: Patients with acute headache increasingly undergo CT-angiography (CTA) to evaluate underlying vascular causes. The aim of this study is to determine clinical and non-contrast CT (NCCT) criteria to select patients who might benefit from CTA. METHODS: We retrospectively included patients with acute headache who presented to the emergency department of an academic medical center and large regional teaching hospital and underwent NCCT and CTA. We identified factors that increased the probability of finding a vascular abnormality on CTA, performed multivariable regression analyses and determined discrimination with the c-statistic...
May 9, 2018: Brain and Behavior
https://www.readbyqxmd.com/read/29737380/the-zonal-pattern-of-arterial-supply-to-the-brachial-plexus-and-its-clinical-significance
#5
An-Bo Gao, Yun-Cheng Lv, Ai-Ping Wang, Li-Yuan Zhong, Mao-Lin Tang, Binu-Prathap Thomas, Tian-Hong Peng
PURPOSE: To provide the anatomical basis of blood supply of brachial plexus for the clinical microsurgical treatment of brachial plexus injury. METHODS: Thirteen adult anticorrosive cadaveric specimens (8 males, 5 females) were dissected in this study. 3 fresh cases (2 males, 1 female) were used to observe the zonal pattern of arteries supplying brachial plexus, and 10 cases (6 males, 4 females) were used to observe the source and distribution of the brachial plexus arteries under microscope...
May 8, 2018: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/29726799/cervical-corpectomy-for-resection-of-ventral-intramedullary-capillary-hemangioma-with-circumferential-involvement-of-the-anterior-spinal-artery-case-report
#6
Jonathan A Forbes, Nathan Teschan, Samuel Hayden Jones, Phillip Parry, Luke Simonet, Narayana K Swamy
There is limited evidence to suggest that anterior approaches for the resection of ventral intramedullary lesions of the cervical spinal cord may result in superior neurological outcomes compared with those following more traditional posterior approaches. To the authors' knowledge, no report of an anterior approach to resect a ventral intramedullary capillary hemangioma exists in the literature. In the following paper, the case of a 75-year-old male who presented with progressive neck and left shoulder pain, weakness of the left hand, myelopathy, and gait imbalance is reported...
May 4, 2018: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/29726776/the-25th-anniversary-of-the-retrograde-suction-decompression-technique-dallas-technique-for-the-surgical-management-of-paraclinoid-aneurysms-historical-background-systematic-review-and-pooled-analysis-of-the-literature
#7
Bruno C Flores, Jonathan A White, H Hunt Batjer, Duke S Samson
OBJECTIVE Paraclinoid internal carotid artery (ICA) aneurysms frequently require temporary occlusion to facilitate safe clipping. Brisk retrograde flow through the ophthalmic artery and cavernous ICA branches make simple trapping inadequate to soften the aneurysm. The retrograde suction decompression (RSD), or Dallas RSD, technique was described in 1990 in an attempt to overcome some of those treatment limitations. A frequent criticism of the RSD technique is an allegedly high risk of cervical ICA dissection...
May 4, 2018: Journal of Neurosurgery
https://www.readbyqxmd.com/read/29718002/vertebral-artery-dissection-masquerading-as-concussion-in-an-adolescent
#8
Gogi Kumar, Bryan Ludwig, Vipul V Patel
OBJECTIVE: Educate providers about the clinical presentation and consequences of delaying diagnosis of traumatic vertebral artery dissection with thromboembolic ischemic strokes in the pediatric population. Vertebral artery dissection is often difficult to diagnose and can be a potentially devastating cause of ischemic stroke. METHODS: Review of the chart, peer review/discussion, and imaging interpretation. RESULTS: A 16-year-old boy was admitted with confusion after a head and neck trauma was sustained while wrestling...
May 2018: Pediatric Emergency Care
https://www.readbyqxmd.com/read/29710022/-a-case-of-bilateral-cervical-internal-carotid-artery-dissection-following-herpes-zoster-of-the-trigeminal-nerve
#9
Mariko Iwasa, Yohei Mima, Aya Ito, Yuko Abe, Naoko Ueda, Ryoichi Otsubo
A 62 year-old man, who was taking prednisolone for nephrotic syndrome, was diagnosed with herpes zoster of the trigeminal nerve and treated with oral valacyclovir. One month later, he reported pain from the right side of the head and vomiting. MRI revealed an acute infarction in the right frontal lobe and dissection of the internal carotid artery of the right cervix. Trauma or other potential triggers were not observed. In consideration of the preceding condition of varicella zoster virus infection, acyclovir was administered in addition to unfractionated heparin, but an intramural hematoma emerged in the left internal carotid artery...
April 28, 2018: Rinshō Shinkeigaku, Clinical Neurology
https://www.readbyqxmd.com/read/29709330/does-volumetric-measurement-of-cervical-lymph-nodes-serve-as-an-imaging-biomarker-for-locoregional-recurrence-of-oral-squamous-cell-carcinoma
#10
Ali-Farid Safi, Martin Kauke, Hendrik Jung, Marco Timmer, Jan Borggrefe, Thorsten Persigehl, Hans-Joachim Nickenig, Max Zinser, David Maintz, Matthias Kreppel, Joachim Zöller
In consideration of the 3-R-rule (Refine-Replace-Reduce) as a guideline for promoting ethical use of animals for surgical training, we present a novel training model for microvessel anastomosis. At hand of a rat cadaveric study, we evaluated the surgical anatomy of the common carotid artery (CCA), external jugular vein (EJV) and femoral vessels (FV) which were then used as templates for the present investigation. Anatomical dissection of 30 rat cadavers was performed. Two residents without prior microsurgical experience were included in the study and performed 5 CCA, 5 femoral artery, 5 EJV and 5 femoral vein anastomoses...
April 10, 2018: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/29701850/safeguarding-the-anomalous-vertebral-artery-while-dissecting-drilling-and-instrumentation-of-c1-2-joint-for-congenital-atlantoaxial-dislocation-2-dimensional-operative-video
#11
Pravin Salunke, Sushanta K Sahoo
The pathology in congenital atlantoaxial instability is usually in C1-2 joints. Addressing the joints appears to be the most rationale approach. The joints are usually approached posteriorly, manipulated, and fused. Understanding the normal and abnormal anatomy is important. Normally, the third segment of the vertebral artery courses lateral to the C1-2 joint. However, in about 20% of the cases with complex congenital craniovertberal junction anomalies the artery crosses the joint posteriorly. The artery in such cases may be injured while joint manipulation and instrumentation with disastrous consequences...
April 26, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29700047/multicentric-experience-in-distal-to-proximal-revascularization-of-tandem-occlusion-stroke-related-to-internal-carotid-artery-dissection
#12
G Marnat, M Bühlmann, O F Eker, J Gralla, P Machi, U Fischer, C Riquelme, M Arnold, A Bonafé, S Jung, V Costalat, P Mordasini
BACKGROUND AND PURPOSE: Internal carotid dissection is a frequent cause of ischemic stroke in young adults. It may cause tandem occlusions in which cervical carotid obstruction is associated with intracranial proximal vessel occlusion. To date, no consensus has emerged concerning endovascular treatment strategy. Our aim was to evaluate our endovascular "distal-to-proximal" strategy in the treatment of this stroke subtype in the first large multicentric cohort. MATERIALS AND METHODS: Prospectively managed stroke data bases from 2 separate centers were retrospectively studied between 2009 and 2014 for records of tandem occlusions related to internal carotid dissection...
April 26, 2018: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/29686917/a-recurrent-cervical-neurenteric-cyst-treated-anteriorly-safe-gross-total-excision-facilitated-by-prophylactic-unilateral-vertebral-artery-exposure-microdissection-and-spinal-cord-monitoring-a-case-report-and-technical-note
#13
Kazunobu Kida, Toshikazu Tani, Tateo Kawazoe, Makoto Hiroi
This study reports on a 67-year-old woman with partial Brown-Séquard syndrome due to a recurrent cervical neurenteric cyst at C3 to C4. The myelopathic symptoms reappeared 22 years after a previous shunting operation performed posteriorly with a silicone tube connecting the intradural cervical cyst cavity to the subarachnoid space. We have now succeeded in removing the cyst nearly completely with the anterior approach. The surgical procedure consisted of right vertebral artery exposure at C3 and C4 and a subtotal corpectomy of C3 followed by microdissection of the cyst, duraplasty, and iliac strut graft fusion...
2018: Case Reports in Orthopedics
https://www.readbyqxmd.com/read/29685419/successful-carotid-artery-stenting-of-a-dissected-highly-tortuous-internal-carotid-artery-after-straightening-with-a-peripheral-microguidewire
#14
Junpei Koge, Tomonori Iwata, Shigehisa Mizuta, Yukihiko Nakamura, Shun-Ichi Matsumoto, Takeshi Yamada
Endovascular reconstruction for carotid artery dissection (CAD) involving a highly tortuous segment of the cervical internal carotid artery (ICA) is challenging because the tortuous ICA may preclude navigation of large-profile carotid stents. Successful recanalization using low-profile neurostents has been reported in small case series only. We herein describe two patients with CAD of a tortuous segment who were successfully treated with large-profile carotid stents after straightening the ICA with a stiff peripheral microguidewire...
April 20, 2018: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/29673816/technical-nuances-of-exposing-rat-common-carotid-arteries-for-practicing-microsurgical-anastomosis
#15
Ali Tayebi Meybodi, Joseph Aklinski, Sirin Gandhi, Mark C Preul, Michael T Lawton
BACKGROUND: Animal models are commonly used in training protocols for microsurgical vascular anastomosis. Rat common carotid arteries (CCA) are frequently used for this purpose. Much attention has been paid to the technical details of various anastomosis configurations using these arteries. However, technical nuances of exposing rat CCA have been understudied. The purpose of this study is to describe nuances of technique for safely and efficiently exposing rat CCA in preparation for a vascular anastomosis METHODS: Bilateral CCAs were exposed and prepared for anastomosis in 10 anesthetized Sprague-Dawley rats through a midline cervical incision...
April 16, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29672730/the-importance-of-costoclavicular-space-on-possible-compression-of-the-subclavian-artery-in-the-thoracic-outlet-region-a-radio-anatomical-study
#16
Tevfik Kaplan, Ayhan Comert, Ali Firat Esmer, Gökçe Kaan Ataç, Halil Ibrahim Acar, Bulent Ozkurt, Ibrahim Tekdemir, Serdar Han
OBJECTIVES: The purposes of this study were to identify possible compression points along the transit route of the subclavian artery and to provide a detailed anatomical analysis of areas that are involved in the surgical management of the thoracic outlet syndrome (TOS). The results of the current study are based on measurements from cadavers, computed tomography (CT) scans and dry adult first ribs. METHODS: The width and length of the interscalene space and the width of the costoclavicular passage were measured on 18 cervical dissections in 9 cadavers, on 50 dry first ribs and on CT angiography sections from 15 patients whose conditions were not related to TOS...
April 16, 2018: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/29617854/microsurgical-treatment-of-bowhunter-s-syndrome-3-dimensional-operative-video
#17
Vijay Agarwal, Daniel L Barrow
We present the case of a 56-yr-old previously healthy male who presented with an approximately 1-yr history of intermittent dizziness, near syncope, and holocephalic headaches when turning his head to the left side for a prolonged period of time. He had a distant history of a previous anterior cervical discectomy and fusion at the C6-7 level. He was neurologically intact. Static, dynamic, and vascular imaging confirmed hypoplasia of the right vertebral artery and dominance of the left vertebral artery that completely filled the posterior circulation...
March 29, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29553097/a-case-of-duplicated-right-vertebral-artery
#18
Mayuko Motomura, Koichi Watanabe, Yoko Tabira, Joe Iwanaga, Wakako Matsuuchi, Daichi Yoshida, Tsuyoshi Saga, Koh-Ichi Yamaki
We encountered a case of duplicated right vertebral artery during an anatomical dissection course for medical students in 2015. Two vertebral arteries were found in the right neck of a 91-year-old female cadaver. The proximal leg of the arteries arose from the area between the right subclavian artery and the right common carotid artery that diverged from the brachiocephalic artery. The distal leg arose from the right subclavian artery as expected. The proximal leg entered the transverse foramen of the fourth cervical vertebra and the distal leg entered the transverse foramen of the sixth cervical vertebra...
March 16, 2018: Kurume Medical Journal
https://www.readbyqxmd.com/read/29549895/the-prevalence-of-lymph-node-metastasis-for-pathological-t1-esophageal-cancer-a-retrospective-study-of-143-cases
#19
Xiao-Feng Duan, Peng Tang, Xiao-Bin Shang, Hong-Jing Jiang, Zhen-Tao Yu
OBJECTIVE: To evaluate the prevalence, pattern and risk factors of lymph node metastasis (LNM) for pathological T1 (pT1) esophageal cancer (EC). METHODS: The clinical data of 143 cases of pT1 patients who underwent esophagectomy and lymph node dissection during January 2011 and July 2016 were reviewed, including 120 male patients and 23 female patients with a median age of 60 years. The pattern of LNM was analyzed and the risk factors related to LNM were assessed by logistic regression analysis...
March 2018: Surgical Oncology
https://www.readbyqxmd.com/read/29549226/risk-of-recurrent-cervical-artery-dissection
#20
EDITORIAL
John W Cole, Michelle C Johansen
No abstract text is available yet for this article.
April 17, 2018: Neurology
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