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https://www.readbyqxmd.com/read/28330424/tentorial-meningioma-supplied-by-a-marginal-tentorial-artery-arising-from-the-superior-cerebellar-artery-anatomic-and-technical-considerations
#1
Stéphanie Lenck, Kentaro Watanabe, Jean-Pierre Saint-Maurice, Moujahed Labidi, Marc-Antoine Labeyrie, Sébastien Froelich, Emmanuel Houdart
Background and importance The marginal tentorial artery runs over the free edge of the tentorium. Different origins have been described, always involving branches of the carotid artery. We report the superior cerebellar artery as an unknown origin of this artery. We developed our strategy in a case of a tentorial meningioma mainly supplied by this artery. Clinical presentation A 53-year-old man was admitted in our institution for the surgical treatment of a large tentorial and petroclival meningioma. A 2D conventional angiogram was insufficient to detect the tumoral blush...
January 1, 2017: Interventional Neuroradiology
https://www.readbyqxmd.com/read/28326701/-morphological-features-and-analysis-of-the-nerve-fibers-in-the-periodontal-ligament-of-dogs
#2
Zeng Xiaohua, Cai Qiaoling, Gong Ping
OBJECTIVE: To identify the properties of nerve fibers of dogs by immunohistochemical staining method. METHODS: Intact bone blocks above the inferior alveolar nerve canal were cut from the medial of the second premolar to the distal of the third premolar of healthy adult Beagle dogs of 18 months, embedded to make hard tissue sections, stained with S100 and neurofilament protein (NFP) antibodies, and finally observed the nerve distribution under the microscope. RESULTS: The distribution of S100 positive tissue in the periodontal ligament of dogs showed the following patterns: bundles of densely gathered rings with different diameters, filaments accompanied by lumens, free endings and deep-dyeing oval lamellasome...
October 1, 2016: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
https://www.readbyqxmd.com/read/28324130/the-oblique-popliteal-ligament-an-anatomic-and-mri-investigation
#3
Mandy Hedderwick, Mark D Stringer, Liam McRedmond, Grant R Meikle, Stephanie J Woodley
PURPOSE: Despite being the largest ligament on the posterior aspect of the knee, relatively little is known about the normal morphology of the oblique popliteal ligament (OPL). The aim of this study was to investigate the detailed anatomy of the OPL in cadavers and healthy volunteers. METHODS: The posterior knee was investigated in 25 cadaver lower limbs (mean age 76 ± 9.5 years; 7 men) by dissection, histology, and serial plastination and in 14 healthy individuals (mean age 23 ± 3...
March 21, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28323222/laparoscopic-nerve-preserving-sacropexy
#4
Alfredo Ercoli, Stefano Cosma, Francesca Riboni, Giuseppe Campagna, Paolo Petruzzelli, Daniela Surico, Saverio Danese, Giovanni Scambia, Chiara Benedetto
STUDY OBJECTIVE: to demonstrate our developed nerve preserving technique during laparoscopic sacropexy (LSP) for multicompartment pelvic organ prolapse. DESIGN: exemplificative case of our surgical procedure based on a multicentric experience consisting of more than 800 cases in 10 years without major intraoperative complications. Informed consent was taken from the subject, and the institutional review board approved this research. SETTING: public practice at Maggiore della Carità University Hospital, Novara; at Sant'Anna Hospital, City of Health and Science, University of Torino; at A...
March 17, 2017: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/28323157/anatomic-variations-of-inferior-mesenteric-artery-and-left-colic-artery-evaluated-by-3-dimensional-ct-angiography-insights-into-rectal-cancer-surgery
#5
Jia Ke, Jiawei Cai, Xiaofeng Wen, Xianrui Wu, Zhen He, Yifeng Zou, Jianping Qiu, Xiaowen He, Xiaosheng He, Lei Lian, Xiaojian Wu, Zhiyang Zhou, Ping Lan
OBJECTIVE: To demonstrate the clinical applicability of 3-dimensional CT angiography (3D-CTA) in evaluating the anatomic variations of inferior mesenteric artery (IMA) and left colic artery (LCA), to help make pre-operative strategies of rectal cancer surgery. METHODS: 188 patients with abdominal and pelvic contrast-enhanced CT scan were retrospectively enrolled and 3D-CTA was reconstructed. The origin and branching patterns of IMA, tracking patterns of LCA, intersectional patterns among IMA, LCA and inferior mesenteric vein (IMV) were examined, and their associations with clinical features were analyzed...
March 16, 2017: International Journal of Surgery
https://www.readbyqxmd.com/read/28314758/immune-checkpoint-dysfunction-in-medium-and-large-vessel-vasculitis
#6
Ryu Watanabe, Hui Zhang, Gerald Berry, Jorg J Goronzy, Cornelia M Weyand
Giant cell arteritis (GCA) is a granulomatous vasculitis of the aorta and its medium-sized branch vessels. CD4 T-cells, macrophages and dendritic cells build granulomatous infiltrates that injure the vessel wall and elicit a maladaptive response-to-injury. Pathologic consequences include fragmentation of elastic membranes, destruction of the medial layer, microvascular neoangiogenesis, massive outgrowth of myofibroblasts, and lumen-occlusive intimal hyperplasia. Antigens have been suspected to drive the local activation of vasculitogenic CD4 T-cells, but recent data suggest a more generalized defect in the threshold setting of such T-cells, rendering them hyperreactive...
March 17, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/28303298/ultrasound-guided-therapeutic-injections-for-neural-pathology-about-the-foot-and-ankle-a-4%C3%A2-year-retrospective-review
#7
William R Walter, Christopher J Burke, Ronald S Adler
OBJECTIVE: To describe a 4-year clinical experience with ultrasound-guided therapeutic perineural injections of peripheral nerves about the foot and ankle. MATERIALS AND METHODS: Retrospective analysis of foot and ankle perineural injections performed between January 2012 and August 2016. Demographics, clinical indications, presence of structural pathology, immediate and interval pain relief, as well as complications were recorded. RESULTS: Fifty-nine therapeutic injections were performed among 46 patients, accounting for multiple injections in a single visit or multiple visits [mean age = 43 years (range 18-75), 31 female (67%) and 15 male (33%)]...
March 16, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28289869/topographical-relations-between-the-gantzer-s-muscle-and-neurovascular-structures
#8
Kiwook Yang, Soo-Jung Jung, Hyunsu Lee, In-Jang Choi, Jae-Ho Lee
PURPOSE: Gantzer's muscle (GM) is an additional muscle in the forearm, which develops as an accessory head of the flexor pollicis longus or the flexor digitorum profundus. The study aimed to determine the topography of the GM and to define the topographical relationship between the GM and the neurovascular structures surrounding it. METHODS: After confirming the presence of GM, its topography and the neurovascular structures were analyzed to determine the correlation between them in 73 upper limbs...
March 13, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28271375/multiple-muscular-variations-including-tenuissimus-and-tensor-fasciae-suralis-muscles-in-the-posterior-thigh-of-a-human-case
#9
Takamitsu Arakawa, Takahiro Kondo, Masahiro Tsutsumi, Yuko Watanabe, Toshio Terashima, Akinori Miki
The posterior thigh muscles on the right side of an 81-year-old male cadaver had multiple variations, denoted muscles I-IV. Muscle I originated from the posteromedial surface of the greater trochanter and divided into two muscle bellies. These muscle bellies fused with the long head of the biceps femoris and were innervated by two branches from muscular branches of the semitendinosus and the long head of the biceps. Muscle II separated from the medial surface of the long head of the biceps in the proximal third and fused with the semitendinosus in the distal fourth...
March 7, 2017: Anatomical Science International
https://www.readbyqxmd.com/read/28271273/the-blood-supply-to-the-sacrotuberous-ligament
#10
Jonathan Lai, Maira du Plessis, Candace Wooten, Jerzy Gielecki, R Shane Tubbs, Rod J Oskouian, Marios Loukas
Knowledge of the vascular supply associated with the sacrotuberous ligament is incomplete, and at most attributed to a single coccygeal branch. Our aim was to investigate the sacrotuberous ligament vasculature with a focus on its origin and distribution. We dissected 21 hemipelvises (10 male and 11 female). The gluteus maximus was reflected medially, and a special emphasis was placed on the dissection of the vascular and neuronal structures. All specimens exhibited several (1-4) coccygeal arteries branching from the inferior gluteal artery penetrating the sacrotuberous ligament along its length...
March 7, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28271170/acute-vestibular-syndrome-in%C3%A2-cerebellar-stroke-a%C3%A2-case-report-and-review-of-the-literature
#11
V Volgger, R Gürkov
The current paper reports on a patient with recurrent rotational vertigo and persistent dizziness and imbalance lasting several weeks, who underwent extensive neuro-otological and radiological examinations. Pathological findings initially included right-sided benign paroxysmal positional vertigo (BPPV), persistent horizontal spontaneous nystagmus (SPN) to the left, and a pathological bedside and video head impulse test (HIT) on the left. The pathological HIT on the left and the SPN to the left indicated a central origin...
March 7, 2017: HNO
https://www.readbyqxmd.com/read/28259544/deep-brain-stimulation-to-the-medial-forebrain-bundle-for-depression-long-term-outcomes-and-a-novel-data-analysis-strategy
#12
Bettina H Bewernick, Sarah Kayser, Sabrina M Gippert, Christina Switala, Volker A Coenen, Thomas E Schlaepfer
BACKGROUND: Deep brain stimulation (DBS) of the supero-lateral branch of the medial forebrain bundle (slMFB) in treatment-resistant depression (TRD) is associated with acute antidepressant effects. OBJECTIVE: Long-term clinical effects including changes in quality of life, side effects and cognition as well as long-term data covering four years are assessed. METHODS: Eight TRD patients were treated with DBS bilateral to the slMFB. Primary outcome measure was a 50% reduction in Montgomery-Åsberg Depression Rating Scale (MADRS) (response) and remission (MADRS <10) at 12 months compared to baseline...
February 9, 2017: Brain Stimulation
https://www.readbyqxmd.com/read/28256093/a-quantitative-structural-and-morphometric-analysis-of-the-purkinje-network-and-the-purkinje-myocardial-junctions-in-pig-hearts
#13
V Garcia-Bustos, R Sebastian, M Izquierdo, P Molina, F J Chorro, A Ruiz-Sauri
The morpho-functional properties of the distal section of the cardiac Purkinje network (PN) and the Purkinje-myocardial junctions (PMJs) are fundamental to understanding the sequence of electrical activation in the heart. The overall structure of the system has already been described, and several computational models have been developed to gain insight into its involvement in cardiac arrhythmias or its interaction with implantable devices, such as pacemakers. However, anatomical descriptions of the PN in the literature have not enabled enough improvements in the accuracy of anatomical-based electrophysiological simulations of the PN in 3D hearts models...
March 3, 2017: Journal of Anatomy
https://www.readbyqxmd.com/read/28255387/reverse-sural-flap-for-ankle-and-heel-soft-tissues-reconstruction
#14
R N Ciofu, D G Zamfirescu, S A Popescu, I Lascar
Introduction: The potential of the medial calf integument, as donor site for a free flap based on musculocutaneous branches of the medial sural artery, was first identified by Taylor and Daniel, following cadaver investigation. In 1981, Pontén described the fasciocutaneous sural flap as a reconstructive option for soft tissue loss of the lower extremity, particularly around the knee. Two years later, Donski and Fogdestram presented the distally based fasciocutaneous flap from the sural region followed by Montegut and Allen who considered the sural artery perforator flap as a viable alternative for the gastrocnemius myocutaneous flap...
January 2017: Journal of Medicine and Life
https://www.readbyqxmd.com/read/28255260/lumbar-radiofrequency-rhizotomy-in-patients-with-chronic-low-back-pain-increases-the-diagnosis-of-sacroiliac-joint-dysfunction-in-subsequent-follow-up-visits
#15
Varun Kumar Rimmalapudi, Sanjeev Kumar
Chronic back pain is often a result of coexisting pathologies; secondary causes of pain can become more apparent sources of pain once the primary pathology has been addressed. The objective of our study was to determine if there is an increase in diagnosis of Sacroiliac joint pain following a Lumbar Rhizotomy. A list of patients who underwent Lumbar Radiofrequency during a 6-month period in our clinic was generated. Records from subsequent clinic visits were reviewed to determine if a new diagnosis of SI joint pathology was made...
2017: Pain Research & Management: the Journal of the Canadian Pain Society
https://www.readbyqxmd.com/read/28239519/white-matter-integrity-of-the-medial-forebrain-bundle-and-attention-and-working-memory-deficits-following-traumatic-brain-injury
#16
Jacqueline A Owens, Gershon Spitz, Jennie L Ponsford, Alicia R Dymowski, Nicholas Ferris, Catherine Willmott
BACKGROUND AND OBJECTIVE: The medial forebrain bundle (MFB) contains ascending catecholamine fibers that project to the prefrontal cortex (PFC). Damage to these fibers following traumatic brain injury (TBI) may alter extracellular catecholamine levels in the PFC and impede attention and working memory ability. This study investigated white matter microstructure of the medial MFB, specifically the supero-lateral branch (slMFB), following TBI, and its association with performance on attention and working memory tasks...
February 2017: Brain and Behavior
https://www.readbyqxmd.com/read/28229637/a-simple-standard-technique-for-labyrinthectomy-in-the-rat-a-methodical-communication-with-a-detailed-description-of-the-surgical-process
#17
G L Nádasy, G Raffai, E Fehér, G Schaming, E Monos
Aims Labyrinthectomized rats are suitable models to test consequences of vestibular lesion and are widely used to study neural plasticity. We describe a combined microsurgical-chemical technique that can be routinely performed with minimum damage. Methods Caudal leaflet of the parotis is elevated. The tendinous fascia covering the bulla is opened frontally from the sternomastoid muscle's tendon while sparing facial nerve branches. A 4 mm diameter hole is drilled into the bulla's hind lower lateral wall to open the common (in rodents) mastoid-tympanic cavity...
September 2016: Physiol Int
https://www.readbyqxmd.com/read/28194509/fetal-facial-nerve-course-in-the-ear-region-revisited
#18
Zhe Wu Jin, Kwang Ho Cho, Hiroshi Abe, Yukio Katori, Gen Murakami, Jose Francisco Rodríguez-Vázquez
PURPOSE: The aim of this study was to re-examine the structures that determine course of the facial nerve (FN) in the fetal ear region. MATERIALS AND METHODS: We used sagittal or horizontal sections of 28 human fetuses at 7-8, 12-16, and 25-37 weeks. RESULTS: The FN and the chorda tympani nerve ran almost parallel until 7 weeks. The greater petrosal nerve (GPN) ran vertical to the distal FN course due to the trigeminal nerve ganglion being medial to the geniculate ganglion at 7 weeks...
February 14, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28192858/deep-and-superficial-circumflex-iliac-arteries-and-their-relationship-to-the-ultrasound-guided-femoral-nerve-block-procedure-a-cadaver-study
#19
Keiko Ogami, Hiroaki Murata, Akiko Sakai, Shuntaro Sato, Kazunobu Saiki, Keishi Okamoto, Yoshitaka Manabe, Tetsuya Hara, Toshiyuki Tsurumoto
The in-plane lateral to medial approach is a standard technique for ultrasound-guided femoral nerve block (USG-FNB). The first bifurcation of the femoral artery, which consists of the deep artery of the thigh (DAT) or occasionally the lateral circumflex femoral artery (LCFA), is regarded as the distal border for this procedure. We sometimes detect arteries along the estimated needle trajectory for USG-FNB. The superficial (SCIA) and deep (DCIA) circumflex iliac arteries run laterally parallel to the inguinal ligament from the femoral or external iliac artery...
April 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28191601/the-maxillary-artery-and-its-variants-an-anatomical-study-with-neurosurgical-applications
#20
Jorge E Alvernia, Joaquin Hidalgo, Marc P Sindou, Chad Washington, Gustavo Luzardo, Eddie Perkins, Remi Nader, Patrick Mertens
BACKGROUND: The maxillary artery (MA) has gained attention in neurosurgery particularly in cerebral revascularization techniques, intracranial endonasal approaches and endovascular procedures. OBJECTIVES: To describe and illustrate the anatomy of the MA and its neurosurgical importance in a detailed manner. METHODS: Six cadaveric heads (12 MAs) were injected with latex. The arteries and surrounding structures were dissected and studied using microsurgical techniques...
February 13, 2017: Acta Neurochirurgica
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