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Surgical and Radiologic Anatomy: SRA

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https://www.readbyqxmd.com/read/28324130/the-oblique-popliteal-ligament-an-anatomic-and-mri-investigation
#1
Mandy Hedderwick, Mark D Stringer, Liam McRedmond, Grant R Meikle, Stephanie J Woodley
PURPOSE: Despite being the largest ligament on the posterior aspect of the knee, relatively little is known about the normal morphology of the oblique popliteal ligament (OPL). The aim of this study was to investigate the detailed anatomy of the OPL in cadavers and healthy volunteers. METHODS: The posterior knee was investigated in 25 cadaver lower limbs (mean age 76 ± 9.5 years; 7 men) by dissection, histology, and serial plastination and in 14 healthy individuals (mean age 23 ± 3...
March 21, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28314939/triticeal-cartilage-the-forgotten-cartilage
#2
Iain Wilson, J Stevens, J Gnananandan, A Nabeebaccus, A Sandison, A Hunter
INTRODUCTION: The triticeal cartilage (TC) is a small cartilage found within the thyrohyoid membrane. The TC has a variable prevalence between and within individuals. It has been suggested that absence of a TC results from its failure to separate from the superior horn of the thyroid cartilage (SHTC) and that individuals without a TC will have a longer SHTC. This study aims to identify the prevalence of the TC and investigate the relationship between the length of the SHTC and presence of a TC...
March 17, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28314938/unexpected-bleeding-during-laparoscopic-cholecystectomy-a-hepatic-vein-injury
#3
LETTER
Giovanni Battista Levi Sandri, Emilio Eugeni, Antonio Bufo, Edmondo Dominici
No abstract text is available yet for this article.
March 17, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28299444/the-ethmoidal-arteries-a-cadaveric-study-based-on-cone-beam-computed-tomography-and-endoscopic-dissection
#4
Marco Ferrari, Luca Pianta, Andrea Borghesi, Alberto Schreiber, Marco Ravanelli, Davide Mattavelli, Vittorio Rampinelli, Francesco Belotti, Luigi Fabrizio Rodella, Roberto Maroldi, Piero Nicolai
PURPOSE: To describe the anatomical variability of the ethmoidal arteries (EAs). To evaluate the reliability of cone beam computed tomography (CBCT) in preoperative assessment of EAs. METHODS: Fourteen cadaver heads underwent CBCT and endoscopic dissection. The following anatomical features were evaluated for anterior (AEA), middle (MEA), and posterior (PEA) EAs: presence, cranio-caudal position, antero-posterior position, and dehiscence of the bony canal. Accuracy of radiological assessment was calculated...
March 15, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28299443/foramen-arcuale-a-rare-morphological-variation-located-in-atlas-vertebrae
#5
Sibel Cirpan, Goksin Nilufer Yonguc, Mete Edizer, Nuket Gocmen Mas, A Orhan Magden
OBJECTIVE: To investigate the incidence of foramen arcuale in dry atlas vertebrae which may cause clinical problems. MATERIALS AND METHODS: Eighty-one dry human cervical vertebrae were examined. The evaluated parameters of two atlas vertebrae including foramen arcuale were as follows: maximum antero-posterior, transverse diameters and areas of the right and left superior articular facets and transverse foramina; maximum antero-posterior diameters, heights, areas and central sagittal thickness of bony arch forming roof of foramen arcuale, respectively...
March 15, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28289871/digitalized-analysis-of-philtral-anatomy-for-planning-individual-treatment
#6
Hassan Bagheri, Suzan Sirinturk, Figen Govsa, Yelda Pinar, Mehmet Asim Ozer
OBJECTIVE: Restoration of the philtral region following traumatic, cleft, and tumor surgeries is often difficult due to influence of this feature to whole facial beauty. The aim of this study is to investigate the types and measurements of the philtrum and its relationship with the upper lip using a software. METHODS: Standard personal photographs of the philtral region were obtained from 200 young adults participated in this study. Linear analyses (the lengths of philtral column and dimple; the philtral width) and angular analyses (apex and central angles of Cupid's bow) were measured as reference points...
March 13, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28289870/the-effects-of-choanal-atresia-on-development-of-the-paranasal-sinuses-and-turbinates
#7
Suat Terzi, Engin Dursun, Fatma Beyazal Çeliker, Metin Çeliker, Mehmet Beyazal, Abdulkadir Özgür, Emel Çadallı Tatar, Mehmet Hakan Korkmaz
PURPOSE: The objective of this study was to evaluate the volume of paranasal sinuses (PNS) and turbinate in patients with unilateral choanal atresia (CA). MATERIALS AND METHOD: Computed tomography images of PNS in 11 individuals with unilateral CA were evaluated retrospectively. Mucosal thickness and volume of the maxillary, frontal and sphenoidal sinuses were determined, in addition to the volume of the middle and inferior turbinate. The unaffected nasal side of patients was used as a control group for the measurements...
March 13, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28289869/topographical-relations-between-the-gantzer-s-muscle-and-neurovascular-structures
#8
Kiwook Yang, Soo-Jung Jung, Hyunsu Lee, In-Jang Choi, Jae-Ho Lee
PURPOSE: Gantzer's muscle (GM) is an additional muscle in the forearm, which develops as an accessory head of the flexor pollicis longus or the flexor digitorum profundus. The study aimed to determine the topography of the GM and to define the topographical relationship between the GM and the neurovascular structures surrounding it. METHODS: After confirming the presence of GM, its topography and the neurovascular structures were analyzed to determine the correlation between them in 73 upper limbs...
March 13, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28286911/the-hippocampus-detailed-assessment-of-normative-two-dimensional-measurements-signal-intensity-and-subfield-conspicuity-on-routine-3t-t2-weighted-sequences
#9
Erik H Middlebrooks, Ronald G Quisling, Michael A King, Paul R Carney, Steven Roper, Luis M Colon-Perez, Thomas H Mareci
PURPOSE: The hippocampus has a critical role in many common disease processes. Currently, routine 3 Tesla structural MRI is a mainstay of clinical diagnosis. The goal of our study is to evaluate the normal variability in size and/or conspicuity of the hippocampal subcomponents in routine clinical 3 Tesla high-resolution T2-weighted images to provide a basis for better defining pathological derangements. Additionally, we utilize diffusion data acquired from a 17.6 Tesla MRI of the hippocampus as a benchmark to better illustrate these subcomponents...
March 12, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28271273/the-blood-supply-to-the-sacrotuberous-ligament
#10
Jonathan Lai, Maira du Plessis, Candace Wooten, Jerzy Gielecki, R Shane Tubbs, Rod J Oskouian, Marios Loukas
Knowledge of the vascular supply associated with the sacrotuberous ligament is incomplete, and at most attributed to a single coccygeal branch. Our aim was to investigate the sacrotuberous ligament vasculature with a focus on its origin and distribution. We dissected 21 hemipelvises (10 male and 11 female). The gluteus maximus was reflected medially, and a special emphasis was placed on the dissection of the vascular and neuronal structures. All specimens exhibited several (1-4) coccygeal arteries branching from the inferior gluteal artery penetrating the sacrotuberous ligament along its length...
March 7, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28260217/anatomical-basis-of-the-extended-tdap-flap-study-of-its-territories-of-vascularization-and-its-volume
#11
Dast Sandy, Havet Eric, Dessena Lidia, Abdulshakoor Abeer, Alharbi Mohammed, Vaucher Richard, Herlin Christian, Sinna Raphael
INTRODUCTION: The concept of extended thoracodorsal artery perforator (TDAP) flap was described in 2015 for breast reconstruction. Our anatomical study aims to identify the territories vascularised by the thoracodorsal artery perforator via the deep muscular fascial network. The second goal was to define the volume of the extended TDAP flap. MATERIALS AND METHOD: Ten extended TDAP flaps were dissected on 5 fresh human cadavers. Around the classical skin paddle of a TDAP flap, the dissections were performed in a subfascial level, including the muscular fascia and the adipose tissue compartments to increase the volume of the flap...
March 4, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28258300/pelvic-and-lower-extremity-physiological-cross-sectional-areas-an-mri-study-of-the-living-young-and-comparison-to-published-research-literature
#12
Juliane Lube, Natasha A M S Flack, Sebastian Cotofana, Orkun Özkurtul, Stephanie J Woodley, Stefan Zachow, Niels Hammer
PURPOSE: Morphological data pertaining to the pelvis and lower extremity muscles are increasingly being used in biomechanical modeling to compare healthy and pathological conditions. Very few data sets exist that encompass all of the muscles of the lower limb, allowing for comparisons between regions. The aims of this study were to (a) provide physiological cross-sectional area (PCSA) data for the pelvic, thigh, and leg muscles in young, healthy participants, using magnetic resonance imaging (MRI), and (b) to compare these data with summarized PCSAs obtained from the literature...
March 3, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28255618/absent-external-oblique-musculo-aponeurotic-complex-during-inguinal-hernioplasty-a-case-report-and-review-of-literature
#13
Royson Dsouza, Nachiket Shankar, Rohin Gurubatham, Wesley Rajaleelan, Nandakumar Menon
The external oblique musculo-aponeurotic complex is an important contributor to the strength of the inguinal canal. The present case report describes the bilateral absence of the external oblique muscle in a patient. A 40-year-old male patient presented with a history of intermittent lower abdominal pain for 15 years which had increased over the past 2 years. Abdominal examination revealed bilateral reducible, incomplete, direct inguinal hernia. Elective bilateral Lichtenstein's mesh hernioplasty was planned for the patient...
March 3, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28255617/immobile-cerebral-veins-in-the-context-of-positional-brain-shift-an-undescribed-risk-factor-for-acute-subdural-hemorrhage
#14
Satoshi Tsutsumi, Hideo Ono, Yukimasa Yasumoto
BACKGROUND: Changes in head position are thought to cause a degree of brain shift in the intracranial cavity. However, little is known on the concurrent shift of the cerebral veins. The present study aimed to investigate the positional shift of the cerebral veins that accompanies brain shift. METHODS: Sagittal T2-weighted magnetic resonance imaging was performed on 21 consecutive patients lying in the supine and prone positions, using the same sequence. For each patient, imaging data were obtained for the two positions as a pair of images with morphologically best-matched cerebral contours...
March 3, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28255616/humeral-head-sizing-using-extra-articular-landmarks-on-conventional-radiographs
#15
David D Savin, Hristo Piponov, Jeffrey Goldstein, Ari R Youderian
PURPOSE: Proper humeral head (HH) sizing is critical to success in anatomic shoulder replacement for management of glenohumeral arthritis. In this study, we evaluate the accuracy and reliability of using non-articular landmarks on conventional radiographs for HH templating. METHODS: Anatomic HH replacement was performed on five non-arthritic shoulders, from fresh adult cadavers. Pre-operative and post-operative radiographs and 3-D CT scans were obtained. Humeral head size was determined using the articular surface and three extra-articular landmarks (inner aspect of the lateral cortex, the medial footprint of the rotator cuff, and the medial calcar)...
March 2, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28251279/evaluation-of-popliteal-artery-branching-patterns-and-a-new-subclassification-of-the-usual-branching-pattern
#16
Pinar Celtikci, Onur Ergun, Hasan Ali Durmaz, Isik Conkbayir, Baki Hekimoglu
PURPOSE: To determine the frequency of popliteal artery branching variations in a wide study cohort and to investigate the relationship between these variations and infrapopliteal peripheral arterial disease (PAD). A subclassification was proposed for the most encountered type I-A, utilizing tibio-fibular trunk (TFT) length. METHODS: A total number of 1184 lower extremity digital subtraction angiography (DSA) studies of 669 patients were evaluated. Following exclusion, 863 lower extremity DSA studies (431 right, 432 left) of 545 patients were enrolled...
March 2, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28247085/morphology-of-the-region-anterior-to-the-anal-canal-in-males-visualization-of-the-anterior-bundle-of-the-longitudinal-muscle-by-transanal-ultrasonography
#17
Yasuo Nakajima, Satoru Muro, Hisayo Nasu, Masayo Harada, Kumiko Yamaguchi, Keiichi Akita
PURPOSE: The anterior bundle of the longitudinal muscle in the region anterior to the anal canal in males has been described, although the anatomical details remain unclear. The present study was undertaken to clarify the precise morphology of the anterior bundle of the longitudinal muscle and its relationship to the surrounding structures, and to visualize the anterior bundle of the longitudinal muscle via transanal ultrasonography. METHODS: Histological examination was carried out using seven male cadavers; an additional three male cadavers were used for transanal ultrasonography, and the ultrasonography images were compared with the actual sagittal sections...
February 28, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28247084/anatomy-of-the-sacral-hiatus-and-its-clinical-relevance-in-caudal-epidural-block
#18
Hassan Bagheri, Figen Govsa
PURPOSE: Caudal epidural anesthesia (CEB) is widely used for the prevention of chronic lower back pain, the control of intraoperative analgesia such as genitourinary surgery and labor pain cases in sacral epidural space approach for the implementation of analgesia. CEB is an anesthetic solution used into the sacral canal via sacral hiatus (SH). For optimal access into the sacral epidural space, detailed anatomical landmarks of SH are required. This study aims at exploring the anatomical structures and differences of the SH by using the sacral bone as a guide point to failure criteria for reviewing the caudal epidural anesthesia and improving the criteria for success in practice...
February 28, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28247083/a-sample-of-morphological-eponym-confusion-foramina-of-stenson-stensen
#19
LETTER
İlhan Bahşi, Mustafa Orhan, Piraye Kervancioglu
No abstract text is available yet for this article.
February 28, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28243697/classification-system-for-lateral-pharyngotomy-systematic-study-of-anatomic-exposure-in-a-human-cadaver-model
#20
Courtney Shires, Aaron Smith, Jenn Lee, John Boughter, Merry Sebelik
INTRODUCTION: Lateral pharyngotomy (LP) is a surgical procedure that allows exposure to tumors of the pharynx and supraglottic larynx. This study was undertaken to: (1) propose a classification system of LP used in exposing various sites of the oropharynx, supraglottis, and hypopharynx. (2) Describe the structures visible with each category of LP. MATERIALS AND METHODS: Five tissue-fixed human cadavers from our gross anatomy laboratory were dissected in a manner similar to surgical lateral pharyngotomy...
February 27, 2017: Surgical and Radiologic Anatomy: SRA
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