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Surgical and Radiologic Anatomy: SRA

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https://www.readbyqxmd.com/read/28097394/the-morphology-and-morphometry-of-the-fovea-capitis-femoris
#1
Vivek Perumal, Stephanie J Woodley, Helen D Nicholson
BACKGROUND: There is little published information on the anatomy of the fovea capitis femoris (FCF), the distal attachment site of the ligament of the head of femur (LHF). This study investigates the morphology of the FCF on dry bones in an attempt to answer some of the debate around the functional significance of the LHF. METHODS: The morphological and morphometric details of the FCF were analysed on 125 dry isolated femora (n = 125) from the Anatomy Museum, University of Otago, New Zealand...
January 17, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28093617/the-developing-temporal-bone-computed-tomography-measurements-and-assessment-of-suture-closure-from-birth-to-18%C3%A2-years-of-age
#2
P Paetz, G F Goetz, H Lanfermann, A M Giesemann
PURPOSE: To describe the normal CT appearance of the developing temporal bone in children from birth to 18 years of age. METHODS: Two hundred and six temporal bone CTs of children from 0.14 to 18.95 years were retrospectively selected and reviewed. Temporal bones were measured in a standardized slice orientation using the length of the basal turn of the cochlea, the length and width of the petrous bone, the coronal extent, trailing edge and anterior-posterior dimension of the temporal bone and the angle between petrous bone's length and the midsagittal line in the axial plane showing the basal turn of the cochlea in its greatest extent...
January 16, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28091734/level-of-conus-medullaris-termination-in-adult-population-analyzed-by-kinetic-magnetic-resonance-imaging
#3
An Liu, Kaixiang Yang, Daling Wang, Changqing Li, Zhiwei Ren, Shigui Yan, Zorica Buser, Jeffrey C Wang
PURPOSE: To investigate the change of conus medullaris termination (CMT) level in neutral, flexion and extension positions and to analyze the effects of age and gender on the CMT level. METHODS: The midline sagittal T2-weighted kinetic magnetic resonance imaging (kMRI) study of 585 patients was retrospectively reviewed to identify the level of CMT. All patients were in an upright position. A straight line perpendicular to the long axis of the cord was drawn from the tip of the cord and then subtended to the adjacent vertebra or disk space...
January 16, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28078367/topographical-relationship-between-positions-of-lingual-foramina-and-attachment-of-mylohyoid-muscle-in-mental-region
#4
Naohiro Morikage, Tomohiro Hamada, Akinobu Usami, Satoshi Takada
PURPOSE: Lingual foramina can be observed between the lingual aspects of the mandible in humans. A sublingual artery is thought to exist in sublingual space and a submental artery in submaxillary space, which pierce the mandible through lingual foramina. During surgery for oral implant placement between apices of the mental foramen, it is important to determine the existence and positioning of lingual foramina. The purpose of this study was to investigate the positions of lingual foramina in relation to the mylohyoid muscle and vertical position of the mylohyoid line using cone-beam computed tomography (CBCT) images...
January 11, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28058452/the-tuber-cinereum-as-a-circumventricular-organ-an-anatomical-study-using-magnetic-resonance-imaging
#5
Satoshi Tsutsumi, Hideo Ono, Yukimasa Yasumoto
PURPOSE: The tuber cinereum (TC) comprises the hypothalamic gray matter that forms the anterior portion of the third ventricle floor. However, since it has been rarely documented in previous neuroimaging investigations, the aim of the current study was to explore the morphology of the TC using magnetic resonance imaging (MRI). METHODS: Ninety-two patients were enrolled in this study. Following initial examination with conventional MRI sequences, a contrast study using intravenous gadolinium injection was performed in thin-sliced sections...
January 5, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28039506/microsurgical-anatomy-of-branches-of-musculocutaneous-nerve-clinical-relevance-for-spastic-elbow-surgery
#6
C Thieffry, L Chenin, P Foulon, E Havet, J Peltier
PURPOSE: The neurotomy of musculocutaneous nerve is a treatment for patients who suffer from spastic elbow flexion when medical and reeducative treatments have failed. It consists in sectioning motor branches of musculocutaneous nerve which are destined to the biceps brachii and brachialis muscles, both being the main elbow flexor muscles. The aim of this study was to analyse the distance, where each motor branch arises from the musculocutaneous nerve to both biceps brachii and brachialis muscles, to establish precisely the localisation and length of the necessary incision to reach its branches for surgery...
December 30, 2016: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/27999945/a-rare-branching-pattern-of-hindgut-absence-of-inferior-mesenteric-artery
#7
Deog-Im Kim, Seung-Ho Han
The arterial system of the gastrointestinal tract has many variations. However, variation in the inferior mesenteric artery (IMA) is less common than for the other abdominal arteries. The case in the present cadaver subject showed a variation in the anatomy of the IMA that differed from those seen in previous studies, because it did not originate from the abdominal aorta and had no branches. A single artery arising from branches of the inferior pancreaticoduodenal and middle colic arteries supplied the hindgut...
December 20, 2016: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/27999944/the-aberrant-right-subclavian-artery-cadaveric-study-and-literature-review
#8
Konstantinos Natsis, Matthaios Didagelos, Anna Gkiouliava, Nikolaos Lazaridis, Vasilios Vyzas, Maria Piagkou
PURPOSE: Taking into consideration that the aberrant right subclavian artery (ARSA) is the commonest congenital aortic arch anomaly (prevalence 0.16-4.4%), our goal was to investigate its incidence in Greeks, with respect to location, course, and relationship to trachea and esophagus. Gender dimorphism, coexisting neural, and vascular variations were also examined. The clinical impact and embryological background of the variation are discussed. METHODS: Two hundred and sixty-seven (126 male and 141 female) formalin-embalmed Greek cadavers (mean age 59 ± 13 years) were examined...
December 20, 2016: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/27988797/unilateral-occurrence-of-five-different-thyroid-arteries-a-need-of-terminological-systematization-a-case-report
#9
Kvetuse Lovasova, David Kachlik, Marian Santa, Darina Kluchova
This article highlights an unusual and unilateral variation in the blood supply to the inferior portion of the thyroid gland observed on the right lobe during anatomy dissection course. The rare variation of the occurrence of two anomalous arteries: the middle thyroid artery and the aberrant accessory inferior thyroid artery, and one uncommon variant, the thyroid ima artery, was detected in an adult female cadaver. The two generally constant arteries, the superior thyroid artery and the inferior thyroid artery, have been found in their usual anatomical location...
December 17, 2016: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/27942947/identification-landmark-for-right-anterior-portal-pedicle-the-zone-of-2%C3%A2-cm
#10
Houssem Ammar, Mohamed Azzaza, Rahul Gupta, Nihed Abdessayed, Bilal Faidi, Abdel-Naceur Nefis, Sofian Abdelkefi, Abdelwaheb Morjane
PURPOSE/BACKGROUND: Cystic plate is easily visible while right anterior portal pedicle (RAPP) is a difficult to identify due to its intrahepatic location. This study aims to determine the relation between these two structures so as to facilitate rapid identification of RAPP during the operation. METHODS: Thirty-seven cadaveric liver dissections were carried in the Forensic Department at the Charles Nicolle Hospital, Tunisia. RESULTS: The cystic plate was thin (≤1 mm), medium (1-3 mm), and thick (≥3 mm) in 14 (37...
December 10, 2016: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/27942946/a-lateral-costal-artery-complicating-video-assisted-thorascopic-surgery-vats-pleurectomy
#11
Jeremy L C Smelt, Levon Toufektzian, John Pilling, Tom Routledge
The lateral costal artery is a rare variant arising from the internal thoracic artery (ITA). It has been associated with steel syndrome after coronary artery bypass using the ITA as a conduit. Clinically, it is under-reported in the literature. We report the presence of a prominent lateral costal artery, coursing below the diaphragm, discovered during video-assisted thorascopic surgery pneumothorax surgery and preventing parietal pleurectomy.
December 9, 2016: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/27942945/anatomy-of-the-falcine-sinus-during-the-prenatal-period
#12
Wojciech Kędzia, Emilia Kędzia, Alicja Kędzia, Wojciech Derkowski
BACKGROUND: The falcine sinus in the falx cerebri is rarely encountered in adults, appearings in approximately 2.1% of CT examinations of adult patients. Some authors have studied the plexus rather than the sinus, a rare form of the venous pathway between the layers of the cerebral falx, which connects the superior sagittal sinus with the inferior sagittal sinus and the straight sinus. The aim of this study was to analyse the anatomy of the falcine sinus in the prenatal period, which will fill a gap in the literature...
December 9, 2016: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/27942944/the-suprapineal-recess-of-the-third-ventricle-an-anatomic-study-with-magnetic-resonance-imaging
#13
Satoshi Tsutsumi, Hideo Ono, Yukimasa Yasumoto
PURPOSE: The suprapineal recess (SPR) is a small, backward extension of the third ventricle. Few radiological studies have investigated the morphology of the SPR. Here, we explore the SPR with magnetic resonance (MR) imaging. METHODS: A total of 124 patients underwent thin-slice MR imaging examinations with T2-weighted imaging and the constructive interference steady-state (CISS) sequence. Imaging data were transferred to a workstation for analysis. RESULTS: The pineal gland (P) was delineated in 99% of the patients on T2-weighted imaging and 100% of the patients on the CISS sequence...
December 9, 2016: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/27933368/anatomical-variations-of-the-greater-palatine-canal-in-cone-beam-computed-tomography
#14
O Rapado-González, J A Suárez-Quintanilla, María Mercedes Suárez-Cunqueiro
PURPOSE: To analyze anatomical variations of the greater palatine canal (GPC) using cone beam computed tomography (CBCT) images. METHODS: This study included 110 CBCTs. Axial slices were used to determine the shape of GPC and the number of lesser palatine foramina (LPF). Sagittal slices were used to assess the shape of the GPC and the number of lesser palatine canals (LPCs). RESULTS: The most prevalent axial and sagittal GPC shapes were oval (46...
December 8, 2016: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/27921138/the-apex-of-the-aortic-arch-backshifts-with-aging
#15
N d'ostrevy, F D Ardellier, L Cassagnes, L Ouchchane, K Azarnoush, L Camilleri, L Sakka
BACKGROUND: Only a few studies, involving small numbers of patients, have globally assessed the curvature of the thoracic aorta but without any details concerning the location of the supra-aortic trunks. OBJECTIVES: Using CT to describe normal aortic-arch morphology and its changes with age and sex. METHODS: 344 CT scans were studied. We measured the distances from the apex to the ascending and descending aorta, the curvilinear length of the entire arch, that of the segment, including bifurcations of supra-aortic vessels, and the angle, height, and shift of the arch...
December 5, 2016: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/27913866/communicating-branches-between-lingual-and-hypoglossal-nerve-observation-using-sihler-s-staining-technique
#16
Joe Iwanaga, Koichi Watanabe, Tsuyoshi Saga, Yoko Tabira, Moriyoshi Nakamura, Christian Fisahn, R Shane Tubbs, Jingo Kusukawa, Koh-Ichi Yamaki
PURPOSE: Many dental procedures are at risk of injuring the lingual nerve. We performed this study to better elucidate the microanatomy that exists between the ipsilateral lingual and hypoglossal nerves so that iatrogenic injury can be avoided. METHODS: Adult human cadaveric tongues (ten sides) underwent Sihler's staining to identify the microanatomy between the lingual and hypoglossal nerves. RESULTS: The lingual nerve entered the middle part of the anterior two-thirds of the tongue from its lateral side and divided into two to four thick branches...
December 2, 2016: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/27909799/thyroid-gland-visualization-with-3d-4d-ultrasound-integrated-hands-on-imaging-in-anatomical-dissection-laboratory
#17
John L Carter, Ankura Patel, Gabriel Hocum, Brion Benninger
PURPOSE: In teaching anatomy, clinical imaging has been utilized to supplement the traditional dissection laboratory promoting education through visualization of spatial relationships of anatomical structures. Viewing the thyroid gland using 3D/4D ultrasound can be valuable to physicians as well as students learning anatomy. The objective of this study was to investigate the perceptions of first-year medical students regarding the integration of 3D/4D ultrasound visualization of spatial anatomy during anatomical education...
December 1, 2016: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/27885386/wrist-denervation-of-the-posterior-interosseous-nerve-through-a-volar-approach-a-new-technique-with-anatomical-considerations
#18
Stephan Grechenig, Surjit Lidder, Manuel Dreu, Claudia Dolcet, Lucy Marguerite Cooper, Georg Feigl
PURPOSE: Full or selective wrist denervation is an effective treatment for chronic wrist pain. In this cadaveric study, a volar approach for prophylactic denervation of the posterior interosseous nerve (PIN) and the anterior interosseous nerve (AIN) was assessed, which can simultaneously be performed during volar approaches for distal radius fracture fixation or in combination with metalwork removal. MATERIALS AND METHODS: In total 40 adult upper limbs, embalmed using Thiel's method, were investigated...
November 24, 2016: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/27878340/anatomical-risk-evaluation-of-iatrogenic-injury-to-the-infrapatellar-branch-of-the-saphenous-nerve-during-medial-meniscus-arthroscopic-surgery
#19
Guillaume Koch, Agathe Kling, Nitin Ramamurthy, Faramarz Edalat, Roberto Luigi Cazzato, Jean-Luc Kahn, Julien Garnon, Philippe Clavert
PURPOSE: To determine the relationship of the medial meniscus with the infrapatellar branches of the saphenous nerve, the primary goal is to define and characterize different risk areas for these nerves during medial meniscus surgery. METHODS: After dissecting 20 embalmed cadaver knees, we defined 7 readily identifiable anatomical landmarks. For each knee, we recorded 2 morphological criteria and 16 measurements. RESULTS: The most common anatomical course is a main trunk that is 8 mm anterior to the tuberculum adductorium and 60 mm posterior to the midpoint of the medial patellar margin...
November 22, 2016: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/27866248/microanatomy-of-the-brachial-plexus-roots-and-its-clinical-significance
#20
Li-Yuan Zhong, Ai-Ping Wang, Li Hong, Sheng-Hua Chen, Xian-Qin Wang, Yun-Cheng Lv, Tian-Hong Peng
PURPOSE: To provide the anatomical basis of brachial plexus roots for the diagnosis and treatment of brachial plexus root avulsion injury. METHODS: The morphological features of brachial plexus roots were observed and measured on 15 cervicothoracic spine of adult cadavers. The relationship of brachial plexus nerve roots and the surrounding tissues also were observed, as well as the blood supply of anterior and posterior roots of the brachial plexus. RESULTS: Origination of the nerve roots in the dorsal-ventral direction from the midline was fine-tuned at each level along the spinal cord...
November 19, 2016: Surgical and Radiologic Anatomy: SRA
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