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Surgical and Radiologic Anatomy: SRA

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https://www.readbyqxmd.com/read/28528359/anatomic-basis-of-le-fort-1-impaction-osteotomy-a-radiological-study
#1
Rivka Bendrihem, Christian Vacher, Audrey Fohlen, Jean-Pierre Pelage
PURPOSE: In Le Fort 1 osteotomy when a maxillary impaction is necessary, surgeons have to face different anatomical problems. (1) To determine the best bone resection route, they have to consider the situation of dental roots, infraorbital foramen and maxillary artery. (2) In case of Le Fort 1 osteotomy combined with a mandibular sagittal split osteotomy, the palate has to be replaced in horizontal position although there is no anatomical landmark. (3) In case of Gummy smiles, it can be due to either long face or short upper lip...
May 20, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28523348/closed-loop-of-main-duct-of-pancreas-a-rare-variant-configuration
#2
Harsimran Jit Singh, Anjali Aggarwal, Rakesh K Kochhar, T D Yadav, Tulika Gupta, Daisy Sahni
During routine dissection, duplication of main pancreatic duct extending from body to head region of pancreas was observed in a 78-year-old formalin fixed male cadaver. Main pancreatic duct gave a prominent branch which joined back the parent duct in head resulting in the formation of a closed loop. This gave the appearance of focal duplication in the form of a closed loop, an unusual variant. This was an incidental finding. Such cases usually remain asymptomatic; however, if undetected may be the cause of postoperative pancreatic fistula following pancreaticobiliary surgery...
May 18, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28523347/alexander-m-mc-kinney-atlas-of-normal-imaging-variations-of-the-brain-skull-and-craniocervical-vasculature-springer-international-publishing-switzerland-2017-1335-p-2-volumes-format-21-5%C3%A2-%C3%A3-%C3%A2-28-5%C3%A2-cm-isbn-978-3-319-39789-4-isbn-978-3-319-39790-0-e-book-doi
#3
https://www.readbyqxmd.com/read/28523346/a-case-of-double-common-bile-duct-in-a-deceased-donor-for-transplantation
#4
Hajime Imamura, Susumu Eguchi, A M James Shapiro, Tatsuya Kin
A double common bile duct is extremely rare among the anatomical variations in the biliary tract system. We report an incidentally encountered case of the double common bile duct and discuss the novel anatomical findings of the accessory common bile duct from the viewpoint of embryology. A unique point of our case is that the accessory common bile duct bifurcated at the level of the intrapancreatic bile duct. There is no similar case in the previous literature among type II double common bile duct in the viewpoint of anatomical findings of the accessory common bile duct...
May 18, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28516244/a-comparison-of-basilar-artery-diameters-measured-by-t2wi-and-tof-mr-angiography
#5
Emre Can Çelebioğlu, Muhammed Mustafa Aldur, Selcuk Tunali, Murvet Hayran, Ayşe Beliz Taşçıoğlu, F Mustafa Sargon
PURPOSE: The purpose of our study is to compare basilar artery diameters (BAD) measured by T2WI to diameters measured by TOF MR angiography (MRA). By doing this, we hope to understand how compatible these two methodologies are with each other. METHODS: We used data from 100 patients (59 females, 41 males) who underwent a session of both T2W MRI and TOF MRA at the same time (ages between 18 and 83). We measured BAD by both T2WI and TOF MRA in three different levels...
May 17, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28508924/intractable-epistaxis-which-arteries-are-responsible-an-angiographic-study
#6
Guillaume de Bonnecaze, Y Gallois, P Chaynes, F Bonneville, A Dupret-Bories, E Chantalat, E Serrano
PURPOSE: Epistaxis constitutes a significant proportion of the Otolaryngologist's emergency workload. Optimal management differs in relation to the anatomic origin of the bleeding. The outcome of our study was to determine which artery(ies) could be considered as the cause of severe bleeding in the context of severe epistaxis. METHODS: Fifty-five procedures of embolization preceded by angiography were reviewed. Medical records of interventionally treated patients were analysed for demographics, medical history, risk factors and clinical data...
May 16, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28508279/the-coexistence-of-both-replaced-proper-hepatic-and-gastroduodenal-arteries-due-to-the-common-hepatic-artery-absence
#7
Konstantinos Natsis, Maria Piagkou, Nikolaos Lazaridis, Georgios Koimtzis, Stylianos Apostolidis
Anatomical variants of the celiac trunk (CT) branches and especially these of hepatic arteries (HAs) are among the most common variants of the arterial tree. The knowledge of the wide variability in hepatic arterial supply is of paramount importance in hepatobiliary, pancreatic, gastric, and esophageal surgery, as well as in liver transplantations. The purpose of this case report is to describe a rare variant discovered during abdominal dissection of a 74-year-old male cadaver of Greek origin, in which the common hepatic artery was absent and its branches, the proper hepatic artery (PHA) and the gastroduodenal artery (GDA) had an aberrant and separate origin...
May 15, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28497162/cadaver-embalming-fluid-for-surgical-training-courses-modified-larssen-solution
#8
Okan Bilge, Servet Celik
PURPOSE: 10% Formalin (F10)-fixed cadavers have disadvantages such as disturbing smell, mucosal irritation, discoloration and rigidity. We aimed to determine a suitable, simple and cost-effective embalming method that preserves color, texture, pliability and flexibility of the tissues for a long time without a disturbing smell and mucosal irritation. The embalmed cadavers were expected to be durable against environmental effects, utilizable for multiple and repetitive surgical trainings and instrumentations...
May 11, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28493009/perivesical-cystic-duct-of-the-gallbladder
#9
Adriana Handra-Luca, Antoine Ngo, Seung-Mo Hong
No abstract text is available yet for this article.
May 10, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28488044/bilateral-carotid-anterior-cerebral-artery-anastomoses-associated-with-bilateral-ophthalmic-arteries-arising-from-the-middle-meningeal-arteries-diagnosed-by-magnetic-resonance-angiography-a-case-report
#10
Akira Uchino, Naoko Saito, Fumitaka Yamane
Anastomosis between the ophthalmic segment of the internal carotid artery and the A1-A2 junction of the anterior cerebral artery (ACA), described as carotid-ACA anastomosis or infraoptic course of the ACA, is rare and known to demonstrate right-sided predominance. We report a case of bilateral carotid-ACA anastomoses associated with bilateral ophthalmic arteries arising from the sphenoidal branch of the middle meningeal artery that were diagnosed by magnetic resonance (MR) angiography. Identification of rare arterial variations on MR angiography requires careful scrutiny of source images...
May 9, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28484860/anatomic-study-of-the-first-extensor-compartment-and-the-relationship-between-the-extensor-tendon-width-and-its-distal-insertion
#11
Shiro Sugiura, Yusuke Matsuura, Kazuki Kuniyoshi, Satoru Nishikawa, Takeshi Toyooka, Chisato Mori, Takane Suzuki
INTRODUCTION: The extensor pollicis brevis (EPB) tendon normally inserts into the base of the proximal phalanx of the thumb. However, a distal insertion of the EPB tendon into the thumb interphalangeal joint has been reported in refractory cases of de Quervain's disease. We hypothesized that the EPB tendon is wider beyond the thumb metacarpophalangeal joint in patients with extended EPB. This study aimed to evaluate the relationship between the extensor tendon width and the point of distal insertion of the EPB tendon...
May 8, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28478605/variation-of-the-mylohyoid-implications-for-ludwig-angina-cervical-contouring-and-digastric-muscle-transfer
#12
Adam Bender-Heine, Matthew J Zdilla
The mylohyoid (MH) musculature separates the sublingual and submandibular spaces and is, therefore, important with regard to the spread of infection and space occupying lesions. Moreover, the MH may be elevated and included in the myocutaneous submental island flap or sutured in conjunction with the platysmas and the anterior bellies of the digastric muscles (ABDMs) to add stability to submental muscular medialization procedures. Therefore, variation in the anatomy of the MH musculature must be considered in the management of the spread of infection and space occupying lesions as well as in surgical planning...
May 6, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28477172/abstracts-presented-at-the-20th-japanese-research-society-of-clinical-anatomy-on-november-12th-2016-at-national-cancer-center-hospital
#13
Tomoyasu Kato, Keiichi Akita
No abstract text is available yet for this article.
May 6, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28455539/morphological-and-topographical-anatomy-of-nutrient-foramens-in-human-metacarpals-and-their-surgical-importance
#14
Anjali Singla, Gurdeep Kalsi, Nazir Masih, Tulika Gupta, Mahesh Sharma
PURPOSE: Trauma to the hand is extremely common, often resulting in metacarpal fractures and dislocations. The surgical intervention may be required for restoration of function and appearance. The preoperative, topographical knowledge of the nutrient foramens is valuable in such operative procedures to preserve the circulation for healing and good postoperative results. METHODS: The topographic and morphometric analysis of 250 non-pathological metacarpals (fifty each from first to fifth) was performed and the foraminal index of each metacarpal was evaluated...
April 28, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28451829/human-anatomic-variations-common-external-iliac-origin-of-the-obturator-inferior-epigastric-and-medial-circumflex-femoral-arteries-and-deep-femoral-artery-course-on-the-medial-side-of-the-femoral-vessels
#15
Mugurel Constantin Rusu, A C Ilie, I Brezean
Probably, the most variable anatomic pattern relates to the iliac arteries system. There are reported here multiple rare anatomic variants found in a single case, at CT evaluation: (a) the unilaterally present common trunk of origin of the obturator, inferior epigastric, and medial circumflex femoral arteries and (b) the medial insertion of the deep femoral artery (DFA) onto the femoral artery, which placed the DFA initially on the medial side of the femoral vein. Such rare, but possible, anatomic variations should recommend surgeons to plan the procedures on a case-by-case basis...
April 27, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28451828/right-persistent-trigeminal-artery-variant-ptav-and-tiny-left-pta-associated-with-bilateral-ophthalmic-arteries-arising-from-the-cavernous-segments-of-the-internal-carotid-arteries
#16
Akira Uchino, Hiroaki Neki, Fumitaka Yamane
Persistent trigeminal artery (PTA) and its variant (PTAV) are the most prevalent types of carotid-vertebrobasilar anastomosis, but bilateral anastomoses are exceedingly rare. We report a case of a right PTAV and tiny left lateral-type PTA from which the cerebellar artery (presumed anterior inferior cerebellar artery) arose. And also, bilateral ophthalmic arteries arose from the cavernous segments of the internal carotid arteries and entered the orbits via the superior orbital fissures. Selective cerebral angiography, especially 3-dimensional angiography, is superior to magnetic resonance (MR) angiography to identify rare variations of the cerebral arteries...
April 27, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28447150/anatomical-status-of-the-human-palatopharyngeal-sphincter-and-its-functional-implications
#17
Kaori Sumida, Yoshinori Ando, Shinichiro Seki, Kikuji Yamashita, Akira Fujimura, Otto Baba, Seiichiro Kitamura
PURPOSE: The transition muscle between the palatopharyngeus (PP) and the superior constrictor of the pharynx (SCP) encircles the pharyngeal isthmus from behind and is designated as the palatopharyngeal sphincter (PPS). The PPS is inferred to play important roles for velopharyngeal closure, but its existence remains controversial and its roles have been regarded as being played by the SCP. The present study aimed to clarify the anatomical status and functional implications of the PPS. MATERIALS AND METHODS: Macroscopic and microscopic examinations were performed on 39 and 4 cadavers, respectively...
April 26, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28444434/quantitative-anatomy-of-the-primary-ossification-center-of-the-femoral-shaft-in-human-fetuses
#18
Mariusz Baumgart, Marcin Wiśniewski, Magdalena Grzonkowska, Mateusz Badura, Bogdan Małkowski, Michał Szpinda
PURPOSE: Early clinical distinction of congenital defects in the femur is extremely important, as it determines the prognosis of the development of the lower limb. This study was performed to quantitatively examine the primary center of ossification in the femoral shaft with respect to its linear, planar, and volumetric parameters. MATERIALS AND METHODS: Using methods of CT, digital-image analysis, and statistics, the size of the primary ossification center of the femoral shaft in 47 spontaneously aborted human fetuses aged 17-30 weeks was studied...
April 25, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28444433/boundaries-of-the-thoracic-paravertebral-space-potential-risks-and-benefits-of-the-thoracic-paravertebral-block-from-an-anatomical-perspective
#19
Esther A C Bouman, Judith M Sieben, Andrea J R Balthasar, Elbert A Joosten, Hans-Fritz Gramke, Maarten van Kleef, Arno Lataster
PURPOSE: Thoracic paravertebral block (TPVB) may be an alternative to thoracic epidural analgesia. A detailed knowledge of the anatomy of the TPV-space (TPVS), content and adnexa is essential in understanding the clinical consequences of TPVB. The exploration of the posterior TPVS accessibility in this study allows (1) determination of the anatomical boundaries, content and adnexa, (2) description of an ultrasound-guided spread of low and high viscous liquid. METHODS: In two formalin-fixed specimens, stratification of the several layers and the 3D-architecture of the TPVS were dissected, observed and photographed...
April 25, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28432408/a-rare-anastomosis-between-the-common-hepatic-artery-and-the-superior-mesenteric-artery-a-case-report
#20
Łukasz Olewnik, Grzegorz Wysiadecki, Michał Polguj, Mirosław Topol
For decades, anastomoses between unpaired branches of the abdominal aorta have attracted the attention of anatomists, surgeons and radiologists, due to their significance in many clinical procedures. This report presents a rare anastomosis between the common hepatic artery and the superior mesenteric artery, which gave off three branches to the jejunum. The diameter of the anastomosis measured at the point of its branching off the common hepatic artery and at the level of union with the superior mesenteric artery was 4...
April 21, 2017: Surgical and Radiologic Anatomy: SRA
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