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Surgical and Radiologic Anatomy: SRA

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https://www.readbyqxmd.com/read/28197712/outflow-angle-measurement-a-simple-approach-for-the-differential-diagnosis-of-intracranial-protrusion-with-a-branch-artery-arising-from-its-top
#1
Mo Chen, Hong-Mei Song, Ming-Hua Li, Wu Wang, Yong-Dong Li
PURPOSE: Magnetic resonance angiography (MRA) is an important diagnosis method for the detection of intracranial aneurysms (IAs), but it is not useful for differentiating between IA and infundibular dilatation (ID) in patients in whom imaging shows an intracranial protrusion with a branch artery at its top. The objective of this study was to introduce a new approach-measurement of the outflow angle (OA)-for differentiating between IA and ID in such cases. METHODS: The study included 7 patients with a total of 9 protrusions...
February 14, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28194509/fetal-facial-nerve-course-in-the-ear-region-revisited
#2
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/28188365/quantitative-anatomy-of-the-growing-clavicle-in-the-human-fetus-ct-digital-image-analysis-and-statistical-study
#3
Marcin Wiśniewski, Mariusz Baumgart, Magdalena Grzonkowska, Bogdan Małkowski, Piotr Flisiński, Małgorzata Dombek, Michał Szpinda
PURPOSES: Knowledge of dimensions of fetal long bones is useful in both the assessment of fetal growth and early detection of inherited defects. Measurements of the fetal clavicle may facilitate detection of numerous defects, e.g., cleidocranial dysplasia, Holt-Oram syndrome, Goltz syndrome, and Melnick-Needles syndrome. METHODS: Using the methods of CT, digital image analysis, and statistics, the size of the growing clavicle in 42 spontaneously aborted human fetuses (21 males and 21 females) at ages of 18-30 weeks was studied...
February 10, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28168520/creating-vascular-models-by-postprocessing-computed-tomography-angiography-images-a-guide-for-anatomical-education
#4
Figen Govsa, Mehmet Asim Ozer, Suzan Sirinturk, Cenk Eraslan, Ahmet Kemal Alagoz
BACKGROUND: A new application of teaching anatomy includes the use of computed tomography angiography (CTA) images to create clinically relevant three-dimensional (3D) printed models. The purpose of this article is to review recent innovations on the process and the application of 3D printed models as a tool for using under and post-graduate medical education. METHODS: Images of aortic arch pattern received by CTA were converted into 3D images using the Google SketchUp free software and were saved in stereolithography format...
February 6, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28154955/relationship-of-stylohyoid-chain-and-cervical-internal-carotid-artery-detected-by-3d-angiography
#5
Cenk Eraslan, Mehmet Asim Ozer, Figen Govsa, Ahmet Kemal Alagoz, Cem Calli
OBJECTIVE: The calcification of the stylohyoid chain (SHC), elongated styloid process (SP), larger SP' angle and its shortened distance of cervical internal carotid artery (CICA) are risk factors for bony compression and the stylocarotid syndrome. METHODS: 3D-CTAs of 125 patients were analyzed in terms of the SP length, its angulations, type of the SHC and relationships of its proximity to the CICA. RESULTS: Elongated SP was observed frequently both in females (47%) and males (55%)...
February 2, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28144755/infraoptic-anterior-cerebral-artery-aca-versus-carotid-aca-anastomosis
#6
LETTER
Akira Uchino
No abstract text is available yet for this article.
January 31, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28138794/perforator-variability-in-the-anterolateral-thigh-free-flap-a-systematic-review
#7
REVIEW
Ross K Smith, James Wykes, David T Martin, Navin Niles
OBJECTIVES: The use of free flaps greatly improves reconstruction options and quality of life for patients undergoing oncological resections. The anterolateral thigh (ALT) free flap is frequently used in the head and neck. The aim of this review was to provide a summary of published evidence assessing perforator anatomy of this flap. METHODS: A broad search was undertaken through the PubMed database using the terms "anterolateral thigh free flap" and "perforator"...
January 30, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28138793/arterial-supply-of-the-human-soft-palate
#8
Jae Hoon Cho, Jin Won Kim, Hyoung Woo Park, Jeffrey D Suh, Jin Kook Kim, Joo-Heon Yoon
PURPOSE: Palatal surgery for snoring or obstructive sleep apnea is commonly performed; however, the vascular anatomy of the soft palate is not well described. The purpose of this study was to evaluate the vascular anatomy of the soft palate. METHODS: This study was performed on 22 adult cadaveric heads. All specimens were prepared with vascular injections using red liquid silicone through the common carotid artery. The palate was then harvested and decolorized, and the vascular anatomy was studied...
January 30, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28138792/unusual-pattern-of-the-first-dorsal-metacarpal-artery
#9
Homero Bianchi, Diego Saravia, Nicolas Ernesto Ottone
This report describes an unusual pattern of the first dorsal metacarpal artery (FDMA) regarding its course and termination. This FDMA had an abnormal course, passing deep to various anatomical elements related to the index finger, with unusual termination in the radial and ulnar proper palmar digital arteries feeding the second and third fingers, respectively. There is no mention of this anatomical variation in the literature. We report the possible embryological origin of this case and other variations related to the FDMA...
January 30, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28132092/anatomical-relationships-of-the-procerus-with-the-nasal-ala-and-the-nasal-muscles-transverse-part-of-the-nasalis-and-levator-labii-superioris-alaeque-nasi
#10
Mi-Sun Hur
PURPOSE: The aim of this study was to clarify the anatomical relationship of the procerus with the nose, especially focusing on the transverse part of the nasalis, the nasal ala, and the levator labii superioris alaeque nasi (LLSAN). MATERIALS AND METHODS: The 53 faces from Korean cadavers were examined anatomically. RESULTS: The procerus originated from the superficial and deep layers in all specimens. Some fibers of the lateral part of the superficial layer extended to connect to the transverse part of the nasalis, while other such fibers extended to attach to the skin of the upper nasal ala in all specimens...
January 28, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28132091/a-case-of-unusual-configuration-of-the-right-bronchial-arteries-combined-with-cryptogenic-severe-bilateral-hypertrophy
#11
Santiago Rojas, Eduard Quintana, Marisa Ortega, Alfonso Rodríguez-Baeza
Bronchial arteries commonly originate from thoracic aorta between T5 and T6. Ectopic origins from aortic arch, supraortic trunks and their branches, coronary arteries, and even abdominal aorta have been described in the literature. In some circumstances, such as pulmonary artery malformations, chronic embolism, or inflammatory diseases of the lung, the bronchial arteries become hypertrophied and eventually could be the only supply of pulmonary circulation. Here, we describe a case of an elderly man who presented an unusual pattern of bronchial arteries of the right lung combined with severe bilateral hypertrophy of bronchial vessels...
January 28, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28130613/enteric-neurons-of-the-esophagus-an-immunohistochemical-study-using-donated-elderly-cadavers
#12
Ai Hirano-Kawamoto, Yohei Honkura, Yuta Kobayashi, Gen Murakami, Shin-Ichi Abe, Yukio Katori
PURPOSE: To describe and discuss the normal anatomy and function of enteric neurons in the esophagus of aged individuals. METHOD: We examined ganglion cells in esophagus specimens obtained from 15 elderly cadavers without any macroscopic pathology in the mediastinum and abdomen. Neuronal nitric oxide synthase and vasoactive intestinal polypeptide were used as parasympathetic nerve markers, and tyrosine hydroxylase as a sympathetic nerve marker. RESULTS: The thoracic and abdominal esophagus contained a well-developed myenteric nerve plexus (S100 protein-positive area) in the intermuscular layer: 0...
January 27, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28124075/a-strange-case-of-superior-mesenteric-venous-collar-around-the-superior-mesenteric-artery
#13
Satheesha B Nayak, Snigdha Mishra, Bincy M George
During our dissection classes, we saw a venous collar formed around the superior mesenteric artery (SMA) by the jejunal tributaries of superior mesenteric vein in an adult male cadaver. The jejunal tributaries united themselves to form two common jejunal veins. Upper common jejunal vein crossed superficial to SMA and opened into the SMV in front of the uncinate process of pancreas. The inferior common jejunal vein crossed behind the SMA from left to right and opened into the SMV, 4 cm below this level. A communicating vein connected the two common jejunal veins with each other...
January 25, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28097394/the-morphology-and-morphometry-of-the-fovea-capitis-femoris
#14
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
#15
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
#16
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
#17
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
#18
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
#19
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
#20
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
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