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Surgical and Radiologic Anatomy: SRA

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https://www.readbyqxmd.com/read/29785678/heterotopic-pancreas-without-meckel-s-diverticulum-in-children-as-unique-cause-of-gastrointestinal-bleeding-think-about-it
#1
Mélodie Juricic, Damipi Yempab Djagbare, Marion Carmassi, Nicoleta Panait, Alice Faure, Oumar NDour, Gabriel NGom, Thierry Merrot
Ectopic pancreas also known as heterotopic pancreas (HP) is a rare congenital anomaly, mainly found as incidental finding during autopsy or abdominal exploration for an other condition. Incidence rate is probably underestimated as patients are mostly asymptomatic; otherwise, it is capable of producing symptoms depending on its location, size, often appearing in the 4th-to-6th decades. Complications such as inflammation, obstruction, bleeding, and malignancy degeneration must be considered. Pediatrics cases are very rare, generally concerning HP within Meckel's diverticulum, manifesting by gastrointestinal bleeding and intussusception...
May 21, 2018: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/29785677/analysis-of-the-frequency-of-visualization-of-morphological-variations-in-anatomical-bone-features-in-the-mandibular-interforaminal-region-through-cone-beam-computed-tomography
#2
Marilza do Carmo Oliveira, Tamara Kerber Tedesco, Thais Gimenez, Sergio Allegrini
PURPOSE: The purpose of this study was to analyze the frequency of visualization of anatomical bone features and their possible variations in the mandibular interforaminal region through cone-beam computed tomography (CBCT). METHODS: This is a cross-sectional study that evaluated CBCT scans of the mandible of 141 women and 61 men, obtained by imaging archives from two private clinics of dental radiology. The study analyzed the frequency of visualization of: lingual symphyseal foramen (LSF), additional mental foramen (AdMF), absence of mental foramen (AbMF), mandibular incisive canal (MIC), and anterior loop (AL)...
May 21, 2018: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/29785676/asymmetry-of-the-greater-cornua-of-the-hyoid-bone-and-the-superior-thyroid-cornua-a-case-report
#3
Miroslav Radunovic, Batric Vukcevic, Nemanja Radojevic
The hyoid bone consists of a body and two pairs of processes: the greater cornua (GC) and the lesser cornua. The GC is connected to the superior thyroid cornu (STC) by the lateral thyrohyoid ligament. The GC and the STC share a common embryological origin from the third pharyngeal arch. During anatomical dissection of a male cadaver of 56 years of age, a combined variation of the GC and the STC was found. The left GC was 27.7 mm long, and the right GC was 30 mm long. The left GC axis was in the same plane as the hyoid body, while an angle of 33° was between the right GC axis and the hyoid body plane...
May 21, 2018: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/29766231/available-bone-morphology-and-status-of-neural-structures-in-the-mandibular-interforaminal-region-three-dimensional-analysis-of-anatomical-structures
#4
Duygu Goller Bulut, Emre Köse
PURPOSE: This study aimed to clarify the size and morphology of the mandible and to determine state of neural structures for the planning of the dental implantation using cone-beam computerized tomography (CBCT). METHODS: Of the 252 patients, CBCT images of 48 selected patients were evaluated. The bone height and width were measured and the type of the mental portion of the inferior alveolar canal, the anterior loop length (ALL), the location of the incisive canal and lingual foramen were identified with cross-sectional and multiplane reformatted CBCT images...
May 15, 2018: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/29766230/vasa-vasorum-of-the-failed-aorto-coronary-venous-grafts
#5
Josef Stingl, Vladimir Musil, Jan Pirk, Zbynek Straka, Marek Setina, Josef Sach, David Kachlik, Matej Patzelt
PURPOSE: This study was designed to investigate the distribution of vasa vasorum in walls of failed aorto-coronary venous grafts. METHODS: Fifty-one diseased venous grafts harvested from 39 patients underwent qualitative histological evaluation. The morphology of the grade of the pathological changes and the extent of the vascularisation were examined, and related to the length of the interval between the primary surgery and the explantation. The obtained results were placed into five groups, substantially differing one from the other in morphology and vascularisation...
May 15, 2018: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/29752483/advances-in-anatomical-bases-for-head-and-neck-surgery
#6
EDITORIAL
F Crampon, F Duparc, B Grignon, O Trost
No abstract text is available yet for this article.
May 12, 2018: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/29737380/the-zonal-pattern-of-arterial-supply-to-the-brachial-plexus-and-its-clinical-significance
#7
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/29737379/a-simple-method-to-locate-mandibular-foramen-with-cone-beam-computed-tomography-and-its-relevance-to-oral-and-maxillofacial-surgery-a-radio-anatomical-study
#8
Mohammad H Al-Shayyab
PURPOSE: The mandibular foramen (MF) cannot be palpated clinically and its location is variable at the medial surface of mandibular ramus. Nevertheless, determining its exact location is very important to the oral and maxillofacial surgeon for the relevant anesthetic and surgical ramus procedures. The aim of this study was to analyze the position of MF using cone-beam computed tomography (CBCT) to help the surgeon in identifying reliable 'target area' for the inferior alveolar nerve (IAN) block and 'safety zone' for mandibular ramus osteotomies approached extra-orally...
May 8, 2018: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/29725762/variations-of-right-bronchial-tree-a-study-with-multi-detector-ct
#9
Tao Wang, Min Meng, Min Huang, Xinya Zhao
PURPOSE: The aim was to display variations of right bronchial tree. METHODS: The bronchial tree images of 238 patients were reconstructed using the postprocessing technique of CT. RESULTS: We revealed four cases rare bronchial branching patterns of right superior lobe. 1 case was referred to as tracheal bronchus. In 1 case, B1 was located in the place of the right superior lobar bronchus and B2 + 3 arose from the right merge of the IB...
May 3, 2018: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/29713738/fetal-median-sacral-artery-anatomy-study-by-micro-ct-imaging
#10
P Meignan, A Binet, A R Cook, H Lardy, G Captier
PURPOSE: The median sacral artery (MSA) is the termination of the dorsal aorta, which undergoes a complex regression and remodeling process during embryo and fetal development. The MSA contributes to the pelvic vascularization and may be injured during pelvic surgery. The embryological steps of MSA development, anastomosis formation and anatomical variations are linked, but not fully understood. METHODS: The pelvic vascularization and more precisely the MSA of a human fetus at 22 weeks of gestation (GW) were studied using micro-CT imaging...
April 30, 2018: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/29713737/evaluation-of-the-pulley-function-of-the-hamulus-of-the-hamate-for-the-flexor-tendons
#11
Kenji Goto, Kiyohito Naito, Yoichi Sugiyama, Mayuko Kinoshita, Nana Nagura, Yoshiyuki Iwase, Kazuo Kaneko
PURPOSE: The aim of this study was to measure the curvature radii of the finger flexor tendons on CT acquired using tendon conditions to examine whether the hamulus of the hamate functions as a pulley of the flexor tendon. METHODS: The subjects were 20 healthy volunteers (40 hands) (14 males and 6 females, mean age: 27.5 years old). Their hands were imaged in extension and flexion of the fingers on CT. The curvature radii of the little and middle finger flexor tendons at the hamulus of the hamate were calculated...
April 30, 2018: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/29713736/accessory-head-of-the-extensor-carpi-radialis-longus-muscle-merging-with-extensor-carpi-radialis-brevis-muscle
#12
Kiwook Yang, In-Jang Choi, Jae-Ho Lee
PURPOSE: The retention and capture functions of hand can be achieved by the consistent manner work of the extensor and flexor muscles. Therefore, it is important to know variations of the extensor and flexor muscles. METHODS: During an educational dissection, accessory heads of the extensor carpi radialis longus muscle were found on the right side in a Korean cadaver. RESULTS: The extensor carpi radialis longus muscle was originated from the lateral supracondylar ridge of the humerus and trifurcated into three heads as lateral, intermediated, and medial heads...
April 30, 2018: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/29700595/ultrasonographic-reference-values-for-the-median-nerve-at-the-level-of-pronator-teres-muscle
#13
Arash Babaei-Ghazani, Peyman Roomizadeh, Esmaeil Nouri, Golnaz Raeisi, Naseh Yousefi, Mahdieh Asilian-Mahabadi, Mohammad Moeini
PURPOSE: The purpose of this study was to investigate the ultrasonographic reference values for diameters and cross-sectional area (CSA) of the median nerve between the two heads of the pronator teres muscle in healthy population as well as to correlate the findings with height, weight, sex and age. METHODS: Fifty-five healthy Caucasian volunteers (110 median nerves) were included in this study. The reference range (mean ± 2 standard deviations; 2.5th-97.5th quintiles) and the upper limit of side-to-side difference of the median nerve between the two heads of the pronator teres muscle were investigated using high-frequency ultrasound...
April 27, 2018: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/29700594/spatial-orientation-of-the-adult-cochlea-rotation-tilt-and-angle-theta-3
#14
Anita Satish Deshpande, Bruno Passebon Soares, Norman Wendell Todd
OBJECTIVE: Quantitative description in adult crania of (1) angular orientation of the basal turn of the cochlea relative to the sagittal (termed "rotation") and Frankfort horizontal (termed "tilt") planes, and angle theta 3 [angular relationship of the line defined by the cochlea's spiral center and cochlear (round) window, to the cochlear window]; (2) orientation of the cochlea relative to the plane defined by the horizontal and vertical portions of the facial nerve; (3) orientation of the basal turn of the cochlea relative to the plane of the posterior semicircular canal; and (4) the association of these orientations with the extent of mastoid pneumatization...
April 26, 2018: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/29700593/neurovascular-and-tendon-injuries-due-to-ankle-arthroscopy-portals-a-meta-analysis-of-interventional-cadaveric-studies
#15
Kaissar Yammine, Chahine Assi
Neurovascular and tendon structures are considered at risk when performing ankle arthroscopy. Injury rate and distance from portals to such structures varied in the literature. The aim of this meta-analysis is to evaluate the injury risk of these structures in terms of proximity and injury prevalence. Thirteen studies including 184 cadaveric ankle arthroscopy procedures met the inclusion criteria. The antero-central portal exhibited the highest frequencies of nerve/vessel proximity and nerve/vessel missed injuries...
April 26, 2018: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/29696412/characterization-of-the-perinatal-mandible-growth-pattern-preliminary-results
#16
F Remy, Y Godio-Raboutet, E Verna, G Gorincour, P Bonnaure, P Adalian, L Guyot, L Thollon
PURPOSE: The fetal development of the mandible is nowadays quite understood, and it is already known that craniofacial growth reaches its highest rate during the first 5 years of postnatal life. However, there are very few data focusing on the perinatal period. Thus, the present article is addressing this concern by studying the mandible morphology and its evolution around the birth with a morphometric method. METHODS: Thirty-one mandibles modelled in three dimensions from post-mortem CT-scans were analyzed...
April 25, 2018: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/29694643/quantitative-analysis-of-the-perimeniscal-position-of-the-inferior-lateral-genicular-artery-ilga-magnetic-resonance-imaging-study
#17
Jiwon Park, Sang Soo Lee, Tae Woo Kim
PURPOSE: The inferior lateral genicular artery (ILGA) passes around the lateral knee joint, adjacent to the lateral meniscus (LM). ILGA injuries in total knee arthroplasty or arthroscopic surgery can result in recurrent hemarthrosis or painful pseudoaneurysms. Detailed information about the perimeniscal position of the ILGA relative to the LM is necessary to avoid these complications. METHODS: 3-T MR images of 100 knees (mean age 36.3 ± 11.2 years) were retrospectively reviewed...
April 24, 2018: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/29680956/micro-ct-study-of-the-human-cochlear-aqueduct
#18
Zhenghua Li, Dazhi Shi, Heng Li, Songhua Tan, Yikang Liu, Chenglin Qi, Anzhou Tang
OBJECTIVE: The anatomic structure of the cochlear aqueduct (CA) in human temporal bone specimens was observed using micro-computed tomography (CT). MATERIALS AND METHODS: Micro-CT scanning of 18-µm-thick slices was performed on 30 slides of human temporal bone specimens to observe the CA structure and its relationship with its surroundings. The length, internal and external apertures, and the narrowest width of the CA were measured. The differences in CAs were compared between high jugular bulb (HJB) specimens and normal specimens...
April 21, 2018: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/29675678/anthropometric-and-clinical-analysis-of-the-distal-ulna-and-extensor-carpi-ulnaris-tendon-using-mri
#19
Ugur Toprak, Sefa Turkoglu
OBJECTIVE: To investigate the ulnar groove (UG), extensor carpi ulnaris (ECU) tendon, and ulnar styloid process (USP) parameters in asymptomatic individuals without ulnar-sided wrist abnormalities, to determine whether these values can be anthropometric markers of age and gender and identify their correlations for use in clinical decision-making. MATERIALS AND METHODS: The MRI T1W axial, T2W sagittal, coronal PW and DESS sequences were evaluated in 100 cases (62 women)...
April 19, 2018: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/29675677/quantitative-anatomy-of-the-ilium-s-primary-ossification-center-in-the-human-fetus
#20
Mariusz Baumgart, Marcin Wiśniewski, Magdalena Grzonkowska, Mateusz Badura, Maciej Biernacki, Zygmunt Siedlecki, Aleksandra Szpinda, Michał Szpinda, Katarzyna Pawlak-Osińska
PURPOSE: An understanding of the development of the ilium's primary ossification center may be useful in both determining the fetal stage and maturity, and for detecting congenital disorders. This study was performed to quantitatively examine the ilium's primary ossification center 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 ilium's primary ossification center in 42 spontaneously aborted human fetuses of crown-rump length (CRL) ranged from 130 to 265 mm (aged 18-30 weeks) was studied...
April 19, 2018: Surgical and Radiologic Anatomy: SRA
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