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https://www.readbyqxmd.com/read/29054240/thoracoscopic-medial-basal-segment-segmentectomy
#1
Kimihiro Shimizu, Toshiteru Nagashima, Toshiki Yajima, Yoichi Ohtaki, Kai Obayashi, Seshiru Nakazawa, Takayuki Kosaka, Akira Mogi, Hiroyuki Kuwano
The technical details and anatomic features of medial-basal segment (S(7)) segmentectomy have not been reported. We report here thoracoscopic S(7) segmentectomy and S(7)a subsegmentectomy and explain the anatomic knowledge necessary to perform S(7) segmentectomy, especially the importance of recognizing bronchus (B(7)) branching patterns before surgery.
November 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/29043094/mid-foot-retinaculum-an-unrecognized-entity
#2
Swathi, Geetha Gangadaran Nellithala, Sunita Arvind Athavale
Retinacula are thickenings of deep fascia in the region of joints that hold down the tendons preventing them from bowing out of position. In the region of ankle, number of such retinacula have been described. Retinacula like superior and inferior extensor retinacula have been described which hold down the tendons of leg muscles passing to the foot beneath them. As the extensor tendons of the leg have more distal attachment to the toes, the present study was conducted to ascertain the presence of any additional retinaculum in the mid-foot region, which would tie down the tendons for their effective action at the distal joints...
September 2017: Anatomy & Cell Biology
https://www.readbyqxmd.com/read/29040718/the-mcconnell-s-capsular-arteries-and-their-relevance-in-endoscopic-endonasal-approach-to-the-sellar-region
#3
Cristian Ferrareze Nunes, André Beer-Furlan, Francesco Doglietto, Ricardo Luis Carrau, Daniel Monte-Serrat Prevedello
BACKGROUND: The McConnell's capsular arteries (MCCA) were first described in 1953. They consist of medial branches of the cavernous internal carotid artery (ICA) and are divided in anterior and inferior capsular arteries. OBJECTIVE: To highlight the anatomy of the MCCA and its importance in the surgical treatment of tuberculum sellae and planum sphenoidale tumors through an endoscopic endonasal approach. METHODS: Ten cadaveric specimens fixed in formalin and perfused with colored silicone were dissected...
October 13, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29027876/intradural-pathology-and-pathophysiology-associated-with-chiari-i-malformation-in-children-and-adults-with-and-without-syringomyelia
#4
Brian J Dlouhy, Jeffrey D Dawson, Arnold H Menezes
OBJECTIVE The pathophysiology underlying tonsillar herniation and CSF obstruction in Chiari malformation Type I (CM-I) is unclear, and the cause of CM-I-associated syringomyelia is not well understood. A better understanding of this pathophysiology is important for an improved treatment strategy. Therefore, the authors sought to identify, characterize, and examine the intradural pathology and CSF flow pathophysiology in the posterior fossa and at the level of the foramen magnum that occurs in the setting of CM-I...
October 13, 2017: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/29026365/incidental-finding-of-bronchopulmonary-sequestration-in-a-64-year-old-female
#5
Pichapong Tunsupon, Ayesha Arshad, Sumit Patel, M Jeffery Mador
BACKGROUND: Bronchopulmonary sequestration is a congenital abnormality of the primitive foregut. In adults, the typical age at presentation is 20-25 years. CASE REPORT: A 64-year-old female was referred for evaluation of an 8 × 6-cm right lower lobe cystic lesion. Her medical history was significant for recurrent right lower lobe pneumonia requiring multiple hospitalizations. Her physical examination was significant for crackles at the right lung base. Computed tomography (CT) of the chest with contrast showed cystic changes with thickened septation of the medial segment of the right lower lobe lacking distinct visceral pleura and with arterial supply from the anomalous branch of the thoracic aorta arising near the celiac trunk...
2017: Ochsner Journal
https://www.readbyqxmd.com/read/29023350/an-artificial-cadaveric-leg-blood-flow-system-for-endoscopic-vein-harvesting-simulation
#6
Constantine L Karras, Emily A DeDonato, Kaitlin K DiBartola, Jin-Cheng Zhao
Despite being the most common training model for endoscopic vein harvesting, cadaveric legs are limited by their absence of blood flow, resulting in a faded vascular appearance. Because the saphenous vein and the surrounding tissue seem less distinguishable, dissection of the saphenous vein and bipolar coagulation of its branches becomes increasingly inefficient and difficult. An inexpensive artificial blood flow system was developed to overcome this limitation. A cadaveric leg was thawed to a soft and yielding degree, and the saphenous vein was dissected medial and proximal to the medial malleolus...
September 2017: Innovations: Technology and Techniques in Cardiothoracic and Vascular Surgery
https://www.readbyqxmd.com/read/29023217/visual-impairment-by-multiple-vascular-embolization-with-hydroxyapatite-particles
#7
Yayoi Marumo, Miki Hiraoka, Masato Hashimoto, Hiroshi Ohguro
We demonstrate a case of ocular impairment caused by a hydroxyapatite filler injection and review the prior literature on clinical presentations. A healthy woman, who received a hydroxyapatite filler injection into the glabella for nose augmentation suddenly had symptoms of nausea, diplopia, visual loss in the left eye, and impaired consciousness. Her left eye showed paresis of the inferior branch of the oculomotor nerve, conjunctival injection, cell infiltration in the anterior chamber, and multiple white spots in the nasal fundus...
October 12, 2017: Orbit
https://www.readbyqxmd.com/read/29017910/developmental-ethanol-exposure-alters-the-morphology-of-mouse-prefrontal-neurons-in-a-layer-specific-manner
#8
Emma L Louth, Hanna D Luctkar, Kayla A Heney, Craig D C Bailey
Chronic developmental exposure to ethanol can lead to a wide variety of teratogenic effects, which in humans are known as fetal alcohol spectrum disorders (FASD). Individuals affected by FASD may exhibit persistent impairments to cognitive functions such as learning, memory, and attention, which are highly dependent on medial prefrontal cortex (mPFC) circuitry. The objective of this study was to determine long-term effects of chronic developmental ethanol exposure on mPFC neuron morphology, in order to better-understand potential neuronal mechanisms underlying cognitive impairments associated with FASD...
October 7, 2017: Brain Research
https://www.readbyqxmd.com/read/28971043/anatomical-localization-of-motor-points-of-the-abductor-hallucis-muscle-a-cadaveric-study
#9
Asayeon Choi, Na Yeon Kwon, Kyeongwon Kim, Youngkook Kim, Jeehae Oh, Hyun Mi Oh, Joo Hyun Park
OBJECTIVE: To identify the anatomical motor points of the abductor hallucis muscle in cadavers. METHODS: Motor nerve branches to the abductor hallucis muscles were examined in eight Korean cadaver feet. The motor point was defined as the site where the intramuscular nerve penetrates the muscle belly. The reference line connects the metatarsal base of the hallux (H) to the medial tubercle of the calcaneus (C). The x coordinate was the horizontal distance from the motor point to the point where the perpendicular line from the navicular tuberosity crossed the reference line...
August 2017: Annals of Rehabilitation Medicine
https://www.readbyqxmd.com/read/28960445/vascular-branches-from-cutaneous-nerve-of-the-forearm-and-hand-application-to-better-understanding-raynaud-s-disease
#10
K Umemoto, M Ohmichi, Y Ohmichi, T Yakura, N Hammer, D Mizuno, M Naito, T Nakano
INTRODUCTION: Cutaneous nerves have branches called vascular branches (VBs) that reach arteries. VBs are thought to be involved in arterial constriction, and this is the rationale for periarterial sympathectomy as a treatment option for Raynaud's disease. However, the branching patterns and distribution areas of the VBs remain largely unclear. The aim of the present study was to investigate the anatomical structures of the VBs of the cutaneous nerves. MATERIALS AND METHODS: Forty hands and forearms were examined to assess the branching patterns and distribution areas of the VBs of the superficial branch of the radial nerve (SBRN), the lateral antebrachial cutaneous nerve (LACN), the medial antebrachial cutaneous nerve (MACN), and the palmar cutaneous branch of the ulnar nerve (PCUN)...
September 29, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28958630/anatomical-evidence-for-the-anterior-plate-fixation-of-sacroiliac-joint
#11
Zhibiao Bai, Shichang Gao, Jia Liu, Anlin Liang, Weihua Yu
BACKGROUND: The iatrogenic injuries to the lumbar nerves during the fixation the sacroiliac (SI) joint fractures with anterior plates were often reported. No specific method had been reported to avoid it. This study was done to find a safer way of placing the anterior plates and screws for treating the sacroiliac (SI) joint fracture and/or dislocation. METHODS: The research was performed using 8 male and 7 female normal corpse pelvic specimens preserved by 10% formalin solution...
September 25, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28951648/surgical-hip-dislocation-through-a-direct-lateral-approach-a-cadaveric-study-of-vascular-danger-zones
#12
Mohamad J Halawi, David Brigati, Jennifer M McBride, Richard L Drake, Peter J Brooks
OBJECTIVE: There is limited information on the potential danger to the vascularity of the femoral head during surgical dislocation of the hip using the direct lateral approach. The objective of this study was to investigate the topographical anatomy of the medial femoral circumflex artery (MFCA), the primary source of blood supply to the femoral head, in relationship to the direct lateral approach. METHODS: Seven unembalmed cadaver hips had dye injection into either the profunda femoris artery or the MFCA...
July 2017: Journal of Clinical Orthopaedics and Trauma
https://www.readbyqxmd.com/read/28948125/bilateral-absence-of-the-zygomatic-nerve-and-zygomaticofacial-nerve-and-foramina
#13
Shehzad Khalid, Joe Iwanaga, Marios Loukas, R Shane Tubbs
The zygomaticofacial branch (ZFb) of the zygomatic nerve travels along the inferolateral angle of the orbit, traverses the zygomaticofacial foramen (ZFF) in the zygomatic bone, and then perforates the orbicularis oculi muscle to finally reach the skin of the malar area, which it innervates. The bilateral absence of the ZFb and the ZFF was found in an 80-year-old Caucasian cadaver. In addition, both zygomatic nerves were absent. A thin nerve arising from the lacrimal nerve passed below it and gave rise to the lacrimal branch and a communicating branch to the lacrimal nerve...
July 23, 2017: Curēus
https://www.readbyqxmd.com/read/28937534/the-spread-of-ultrasound-guided-injectate-from-the-adductor-canal-to-the-genicular-branch-of-the-posterior-obturator-nerve-and-the-popliteal-plexus-a-cadaveric-study
#14
Charlotte Runge, Bernhard Moriggl, Jens Børglum, Thomas Fichtner Bendtsen
BACKGROUND AND OBJECTIVES: The popliteal nerve plexus contributes to afferent knee-pain conduction. It is mainly formed by genicular branches from the posterior obturator and the tibial nerves, innervating the intra-articular and posterior knee region. A subinguinal obturator nerve block alleviates pain after total knee arthroplasty. Reduced hip adductor motor function could be avoided by a posterior obturator nerve block inside the popliteal fossa.The aim of this study was to evaluate the spread of dye after a distal adductor canal (AC) injection to the popliteal fossa and coloring of the popliteal plexus and the genicular branch of the posterior obturator nerve by dissection...
November 2017: Regional Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/28935983/model-based-vascular-elastography-improves-the-detection-of-flow-induced-carotid-artery-remodeling-in-mice
#15
Vyacheslav A Korshunov, Hexuan Wang, Rifat Ahmed, Deanne M Mickelsen, Qian Zhou, Chen Yan, Marvin M Doyley
Increased arterial thickness measured with ultrasound correlates with future cardiovascular events, but conventional ultrasound imaging techniques cannot distinguish between intima, media, or atherosclerotic plaque in the carotid artery. In this work, we evaluated how well vascular elastography can detect intimal changes in a mouse model of carotid remodeling. We ligated the left external and internal branches of the carotid artery of male FVB mice and performed sham operations for 2 weeks. High-resolution ultrasound imaging accurately detected lower blood velocities and low blood volume flow in the carotid arteries after ligation in FVB mice...
September 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28933803/unusual-ending-of-the-second-dorsal-metacarpal-artery-as-proper-palmar-digital-arteries
#16
Homero F Bianchi, Claudia A Vargas, Nicolas E Ottone
BACKGROUND: The proper palmar digital arteries arises infrequently from dorsal metacarpal arteries. This work reports the second dorsal metacarpal artery unusual ending and a vascular variation related to the superficial palmar arch. MATERIALS AND METHODS: Fresh human upper limbs routine dissection, from a male cadaver, injected with colored elastomeric material immersed 10% formalin. RESULTS: The second dorsal metacarpal artery presented terminal branches, the index finger medial proper digital palmar artery and the middle finger lateral proper digital palmar artery...
September 21, 2017: Folia Morphologica (Warsz)
https://www.readbyqxmd.com/read/28928992/dental-implant-in-the-canalis-sinuosus-a-case-report-and-review-of-the-literature
#17
José Alcides Arruda, Pedro Silva, Luciano Silva, Pâmella Álvares, Leni Silva, Ricardo Zavanelli, Cleomar Rodrigues, Marleny Gerbi, Ana Paula Sobral, Marcia Silveira
The canalis sinuosus is a neurovascular canal, a branch of nerve of infraorbital canal, through which the anterior superior alveolar nerve passes and then leans medially in course between the nasal cavity and the maxillary sinus, reaching the premaxilla in the canine and incisor region. The purpose of this article is to report a case with the presence of canalis sinuosus, in order to alert and guide professionals and discuss the morphology of this anatomical variation avoiding trans- and postsurgical disorders in dental implants...
2017: Case Reports in Dentistry
https://www.readbyqxmd.com/read/28927911/characteristics-of-blood-blister-like-aneurysms-with-a-saccular-shape-appearance
#18
Hirofumi Nishikawa, Shigetoshi Shimizu, Hideki Nakajima, Yotaro Kitano, Takanori Sano, Genshin Mouri, Fumitaka Miya, Hidenori Suzuki
BACKGROUND: Blood blister-like aneurysms (BBAs) are a subgroup of aneurysms located on non-branching sites of the internal carotid artery (ICA) and characterized by small size, a fragile wall, and a poorly defined broad-based neck. Both direct surgery and endovascular treatment for BBA are often challenging. Some of them were reported to look like a true saccular aneurysm, and the misdiagnosis of BBA might result in catastrophic outcomes. The purpose of this study is to clarify the clinical and intraoperative findings of saccular BBAs...
September 16, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28926877/-clinical-effects-of-repair-of-wounds-in-fingers-after-electrical-burn-with-wrist-perforator-free-flaps
#19
H P Di, C D Xia, P P Xing, Q Li, D W Han, J D Xue, D Y Cao
Objective: To explore the clinical effects of repair of wounds in the fingers after electrical burn with wrist perforator free flaps. Methods: Twelve patients (13 fingers) with electrical burn were hospitalized in our burn ward from January 2016 to January 2017. After radical debridement, the size of wounds ranged from 5.0 cm×2.0 cm to 10.0 cm×7.0 cm. Wounds with size below or equal to 6.0 cm ×2.5 cm were repaired with free flaps based on the superficial palmar branch of radial artery, with flap area ranging from 2...
September 20, 2017: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/28925493/repair-and-sensory-reconstruction-of-the-children-s-finger-pulp-defects-with-perforator-pedicled-propeller-flap-in-proper-digital-artery
#20
S-M Feng, A-G Wang, Z-Y Zhang, Q-Q Sun, Y-L Tao, M-M Zhou, Y-J Hao
OBJECTIVE: This study was designed to investigate the clinical effects of adopting perforator pedicled propeller flap in the proper digital artery for treatment and sensory reconstruction of finger pulp defects in children. PATIENTS AND METHODS: Perforator pedicled propeller flap of proper digital arteries in thirty-one fingers from twenty-three children patients were selected for repairing the pulp defects on the 2nd to the 5th fingers. All cases were treated from September 2012 to December 2013...
August 2017: European Review for Medical and Pharmacological Sciences
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