keyword
https://read.qxmd.com/read/38528126/the-origin-and-course-of-the-blood-supply-to-the-lower-eyelid-orbital-fat-anatomical-study-and-clinical-significance
#1
JOURNAL ARTICLE
Fan Yang, Tao Shan, Cong Li, Yu Sun, Ruowu Shen, Chuanping Gao, Zhiguo Wang
PURPOSE: The aim of this study is to investigate the origin and course of the orbital fat arterial supply in the lower eyelid using traditional anatomy and three-dimensional computed tomography (CT). METHODS: Twenty-seven cadaver heads were infused with mercury sulfide contrast media through the ophthalmic artery, maxillary artery, transverse facial artery, and facial artery. CT images were obtained after contrast agent injection, three-dimensional CT scans were reconstructed, and the cadaver heads were dissected...
March 25, 2024: Aesthetic Plastic Surgery
https://read.qxmd.com/read/38523713/morphological-study-of-pulp-cavity-anatomy-of-canine-teeth-in-domestic-cats-using-micro-computed-tomography
#2
JOURNAL ARTICLE
Emilia Chrostek, Santiago Peralta, Nadine Fiani
An understanding of the pulp cavity anatomy of individual teeth is essential for success during endodontic therapy. The objective of this study was to document pulp cavity anatomy and summarize numerical data of maxillary and mandibular canine teeth of domestic cats using micro-computed tomography (micro-CT). Thirty-nine canine teeth from eleven domestic cat cadaveric specimens were extracted and prepared for scanning. Segmentation of the pulp cavity was performed using the Avizo (v2022.2) software package...
2024: Frontiers in Veterinary Science
https://read.qxmd.com/read/38523181/accessory-lingual-mental-foramen-a-case-report-of-a-rare-anatomic-variation
#3
JOURNAL ARTICLE
Arjun Kumar Tallada, Junaid Ahmed, Nanditha Sujir, Nandita Shenoy, Shubham M Pawar, Archana Muralidharan, Sanjay Mallya
INTRODUCTION: The mandibular nerve and the mental foramen have occasionally shown variations in its anatomy. This report aims to present a case of lingual mental foramen recognised on three-dimensional cone beam computed tomographic imaging (CBCT). CASE REPORT: Routine Orthopantomogram (OPG) and CBCT images were evaluated to assess the status of impact third molars in a 31-year-old female who had visited the dental clinics in our institution. The OPG image failed to reveal any anatomic variation in the position of the mental foramen...
March 25, 2024: Oral Radiology
https://read.qxmd.com/read/38494962/-applied-anatomy-of-the-stylomastoid-foramina-and-its-relation-to-the-surrounding-bone-structures
#4
JOURNAL ARTICLE
Si-Jia Qin, Huan-Qi Liu, Yu-Qing Zhang, Dan-Yang Wang, Shuo Huang, Feng Wang, Chang-Kui Liu
PURPOSE: To study the relationship between the stylomastoid foramen and surrounding bony structures, enrich anatomical data and provide reference for clinical surgery. METHODS: A total of 62 intact and dry adult skulls were selected. The shape of the stylomastoid foramen was observed, the diameter of the stylomastoid foramen, the distances from the posterolateral point and the anterior medial point to the surrounding bony structures were measured with a vernier caliper...
December 2023: Shanghai Kou Qiang Yi Xue, Shanghai Journal of Stomatology
https://read.qxmd.com/read/38492307/the-variations-of-osseous-structure-of-the-%C3%A4-nternal-acoustic-canal-an-anatomical-study
#5
JOURNAL ARTICLE
Elif Sarı, Gkionoul Nteli Chatzioglou, Dastan Temirbekov, Aynur Aliyeva, Adnan Öztürk, Ilke Ali Gürses
OBJECTIVES: The internal acoustic meatus is an osseous canal that connects the inner ear to the posterior cranial fossa. It is located in the petrous portion of the temporal bone. A thin cribriform osseous plate known as the fundus is situated at the lateral end of the canal. This study assesses the structural and numerical variations of the fundus formations. METHODS: Fifty-four temporal bones of unknown gender and age were examined with the surgical microscope...
March 5, 2024: Brazilian Journal of Otorhinolaryngology
https://read.qxmd.com/read/38490129/comparison-of-image-quality-and-diagnostic-efficacy-of-routine-clinical-lumbar-spine-imaging-at-0-55t-and-1-5-3t
#6
JOURNAL ARTICLE
Anna Lavrova, Nicole Seiberlich, Lauren Kelsey, Jacob Richardson, John Comer, Maria Masotti, Pedro Itriago-Leon, Katherine Wright, Shruti Mishra
PURPOSE: To compare image quality, assess inter-reader variability, and evaluate the diagnostic efficacy of routine clinical lumbar spine sequences at 0.55T compared with those collected at 1.5/3T to assess common spine pathology. METHODS: 665 image series across 70 studies, collected at 0.55T and 1.5/3T, were assessed by two neuroradiology fellows for overall imaging quality (OIQ), artifacts, and accurate visualization of anatomical features (intervertebral discs, neural foramina, spinal cord, bone marrow, and conus / cauda equina nerve roots) using a 4-point Likert scale (1 = non-diagnostic to 4 = excellent)...
March 5, 2024: European Journal of Radiology
https://read.qxmd.com/read/38481039/lineage-specific-requirements-of-alx4-function-in-craniofacial-and-hair-development
#7
JOURNAL ARTICLE
Yu Lan, Zhaoming Wu, Han Liu, Rulang Jiang
BACKGROUND: Disruption of ALX4 causes autosomal dominant parietal foramina and autosomal recessive frontonasal dysplasia with alopecia, but the mechanisms involving ALX4 in craniofacial and other developmental processes are not well understood. Although mice carrying distinct mutations in Alx4 have been previously reported, the perinatal lethality of homozygous mutants together with dynamic patterns of Alx4 expression in multiple tissues have hindered systematic elucidation of the cellular and molecular mechanisms involving Alx4 in organogenesis and disease pathogenesis...
March 13, 2024: Developmental Dynamics
https://read.qxmd.com/read/38478070/retrospective-analysis-of-medium-term-outcomes-following-anterior-lumbar-interbody-fusion-surgery-performed-in-a-tertiary-spinal-surgical-centre
#8
JOURNAL ARTICLE
T Srirangarajan, K Eseonu, B Fakouri, P Liantis, P Panteliadis, J Lucas, T Ember, M Harris, M Tyrrell, B Sandford, J R Panchmatia
INTRODUCTION: Anterior lumbar interbody fusion (ALIF) can treat spondylolisthesis, degenerative disc disease and pseudoarthrosis. This approach facilitates complete discectomy, disc space distraction, indirect decompression of neural foramina and placement of large interbody devices. Several intra- and postoperative complications can be attributed to the anterior approach: vascular/visceral injury, hypogastric plexus injury and urogenital consequences. Spine-specific complications include implant migration, graft failure, pseudoarthrosis and persistent symptomology...
March 13, 2024: Annals of the Royal College of Surgeons of England
https://read.qxmd.com/read/38470146/incidence-of-suboptimal-fluoroscopic-outlet-imaging-of-the-sacrum-and-pelvic-retroversion-necessary-for-optimal-views
#9
JOURNAL ARTICLE
Joseph T Patterson, Michael Brown, Ian G Hasegawa, Jacob A Becerra, Andrew M Duong, Akhil Reddy, Joshua L Gary
OBJECTIVES: To estimate the prevalence of suboptimal fluoroscopy of sacral outlet images due to anatomic and equipment dimensions. Pelvic retroversion is hypothesized to mitigate this issue. DESIGN: In silico simulations using retrospectively collected computed tomography (CT) data from human patients. SETTING: Level I trauma center. PATIENT SELECTION CRITERIA: Adults with AO/OTA 61 pelvic ring disruptions treated with posterior pelvic fixation between July and December 2021...
March 12, 2024: Journal of Orthopaedic Trauma
https://read.qxmd.com/read/38465854/vascular-microforamina-and-endocranial-surface-normal-variation-and-distribution-in-adult-humans-vascular-biology
#10
JOURNAL ARTICLE
Emiliano Bruner, Stanislava Eisová
The term craniovascular traits refers to the imprints left by arteries and veins on the skull bones. These features can be used in biological anthropology and archaeology to investigate the morphology of the vascular network in extinct species and past populations. Generally, the term refers to macrovascular features of the endocranial cavity, like those associated with the middle meningeal artery, venous sinuses, emissary foramina, and diploic channels. However, small vascular passages (here called microforamina or microchannels) have been occasionally described on the endocranial surface...
March 11, 2024: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://read.qxmd.com/read/38447947/bilateral-foramina-parietalia-permagna-a-calvarial-defect-caused-by-haploinsufficiency-of-the-msh-homeobox-2-gene-a-case-report-and-current-literature-review
#11
JOURNAL ARTICLE
Niklas Kahl, Natalia Lüsebrink, Susanne Schubert-Bast, Thomas M Freiman, Matthias Kieslich
Foramina parietalia permagna (FPP) is a rare anatomical defect that affects the parietal bones of the human skull. FPP is characterized by symmetric perforations on either side of the skull, which are caused by insufficient ossification during embryogenesis. These openings are typically abnormally large and can range from a few millimeters to several centimeters in diameter. Enlarged foramina are often discovered incidentally during anatomical or radiological examinations and in most cases left untreated unless symptoms develop...
March 6, 2024: Neuropediatrics
https://read.qxmd.com/read/38437684/intraspinal-cervicothoracic-junction-chondrosarcoma-illustrative-case
#12
JOURNAL ARTICLE
Matthew T Carr, Margaret Pain, Kevin Kay, John K Houten
BACKGROUND: Chondrosarcoma is an uncommon spinal tumor that can present as an extraskeletal mass. Rarely, these tumors present as dumbbell tumors through the neural foramina, mimicking schwannomas or neurofibromas. OBSERVATIONS: A 46-year-old female presented with 2 years of worsening right-arm radiculopathy. Magnetic resonance imaging of the thoracic spine revealed a peripherally enhancing extramedullary mass through the right T1 foramen and compressing the spinal cord...
March 4, 2024: J Neurosurg Case Lessons
https://read.qxmd.com/read/38425156/topography-and-morphometry-of-the-infraorbital-and-mandibular-foramen-of-the-common-sloth-bradypus-variegatus-for-use-in-the-application-of-perineural-anaesthesia
#13
JOURNAL ARTICLE
Ana Luisa Carvalho Moia, Érika Branco, Ellen Yasmin Eguchi Mesquita, Ana Rita de Lima
A local anaesthetic block performed in cranial and mandibular foramina contributes towards analgesia and the reduction of systemic anaesthesia in procedures in the oral cavity. However, anatomical differences between in wild animals may require adaptations to the anaesthetic and surgical manoeuvres of the head used in domestic animals. With that in mind, we aimed to describe the topography and morphometry of the infraorbital and mandibular foramina in Bradypus variegatus, to support perineural anaesthetic approaches in the cranio-mandibular region of this species...
March 2024: Anatomia, Histologia, Embryologia
https://read.qxmd.com/read/38420289/radiological-anatomy-of-the-pelvis-and-pelvic-limb-of-the-greater-cane-rat-thryonomys-swinderianus
#14
JOURNAL ARTICLE
Faraja H Mpagike, Modesta Makungu
Greater cane rats ( Thryonomys swinderianus ) are now being captive reared and domesticated in the sub-Saharan Africa because of increase in their demand for biomedical research and traditional medicine and as a source of meat. This research was performed to provide the normal radiological anatomy of the pelvis and pelvic limb in greater cane rats for a reference in biomedical research, in anatomical studies, and in clinical use. Radiological examination of the pelvis and right pelvic limb was done in five greater cane rats...
2024: Veterinary Medicine International
https://read.qxmd.com/read/38413475/superior-laryngeal-artery-originating-from-the-lingual-artery
#15
JOURNAL ARTICLE
Mugurel Constantin Rusu, Cătălin Constantin Dumitru, Alexandra Diana Vrapciu
In most cases, the superior laryngeal artery (SLA) branches from the superior thyroid artery, which, in turn, leaves the external carotid artery. Few dissection studies found previously that the SLA could originate from the lingual artery. We report here probably the first evidence of such a rare anatomical variation found unilaterally in a retrospectively evaluated by computed tomography angiography adult male case. The left SLA left a suprahyoid coil of the lingual artery and continued over the greater hyoid horn to enter the larynx through the thyrohyoid membrane...
February 27, 2024: Surgical and Radiologic Anatomy: SRA
https://read.qxmd.com/read/38407769/sacroiliac-joint-denervation-a-novel-approach-to-target-sacral-lateral-branches-a-practical-approach
#16
JOURNAL ARTICLE
Victor M Silva-Ortiz, Kenneth B Chapman, George C Chang Chien, Sudhir Diwan, Alaa Abd-Elsayed
INTRODUCTION: Sacroiliac joint (SIJ) pain is a relatively common cause of low back pain. Percutaneous radiofrequency (RF) techniques for SIJ are limited to ablation of the posterior SIJ innervation. Different techniques have been described for SIJ radiofrequency ablation, including conventional thermal, cooled RF, pulsed RF, bipolar RF, and specialized tip RF needle (i.e., multi-tined); however, additional costs may limit these applications. METHODS: This new technique for SIJ denervation uses anatomical landmarks and a single RF cannula...
February 24, 2024: Pain and Therapy
https://read.qxmd.com/read/38394439/mechanical-influence-of-edentulous-mandibular-morphology-on-peri-implant-bone-in-implant-prosthetics-threedimensional-finite-element-analysis
#17
JOURNAL ARTICLE
Takumi Hamada, Tomoya Gonda, Kohei Murase, Yoshinobu Maeda, Kazunori Ikebe
PURPOSE: The purpose of this study was to examine the mechanical influence of edentulous mandibular morphology on peri-implant bone in implant prosthetics by finite element analysis. MATERIALS AND METHODS: Computed tomographic data from 25 patients with edentulous mandibles were selected and the radius of mandibular curvature and the height of the mandible at the midline were measured in order to clarify the morphological characteristics of the mandible. From the measurement, two patients with the smallest and largest radii of the mandible were selected...
February 23, 2024: International Journal of Oral & Maxillofacial Implants
https://read.qxmd.com/read/38389624/caudal-neuraxial-blocks-for-pain-relief-from-pelvic-neuropathy-caused-by-extensive-diffuse-large-b-cell-lymphoma
#18
Amanda Myles, Ammar Toubasi, Elizabeth Soladoye, Narayana Gowda, Joan Morny
Central neuraxial blocks can be a vital therapeutic tool for neuropathic pain, but they are infrequently implemented for pain management in cancer patients. Upon a literature review, further data on the role or efficacy of central nerve blocks for neuropathic cancer pain would be beneficial. Additionally, evidence-based guidelines and practices are lacking regarding additional interventions for neuropathic pain relief, a common manifestation of cancer burden. Here, we report the case of a 29-year-old male patient who presented in the ED with intractable neuropathic pain from extensive diffuse large B-cell lymphoma...
January 2024: Curēus
https://read.qxmd.com/read/38387796/how-does-intentional-apical-foraminal-enlargement-affect-the-foramen-and-root-canal-morphology
#19
JOURNAL ARTICLE
Tamer Ferreira Schimdt, Lucas da Fonseca Roberti Garcia, Cleonice da Silveira Teixeira, Murilo Priori Alcalde, Marco Antonio Hungaro Duarte, Eduardo Antunes Bortoluzzi
INTRODUCTION: This study assessed the effect of intentional foraminal enlargement on the foramen and the apical root canal morphology. METHOD: Sixty mesial roots of mandibular molars were scanned by micro-computed tomography. Their apical foramina were photographed with a stereomicroscope before and after preparation. Three groups were formed (n=20) according to the working length (WL). G-1: foramen - 1 mm; G0: foramen; and G+1: foramen + 1 mm. Each group originated 2 subgroups (n=10): G-1: Buchanan's patency (size 10 K-type file) and foraminal debridement (sizes 20, 25 and 30 K-type files); G0 and G+1: rotary foraminal enlargement (ProDesign S size 25/...
February 20, 2024: Journal of Endodontics
https://read.qxmd.com/read/38375388/microcomputed-tomography-micro-ct-analysis-of-apical-mandibular-premolar-in-relation-to-clinical-sign-presentation-an-in-vitro-study
#20
JOURNAL ARTICLE
Samsudin Nurulaqmar Iwani, Marlena Kamaruzaman, Afiq Azizi Jawami
INTRODUCTION: Variations in anatomic apex and apical foramina of root canals are common in different teeth types. The sophisticated 3D micro-CT aids researchers in investigating the apical morphology, such as the apical foramen (AF) and constriction (AC). OBJECTIVES: To measure the length between the foramen and the apex and the physiological length to the apex, in lower premolar teeth. Furthermore, a measurement was conducted on the average length from the foramen to the apex of the lower premolar teeth with respect to the presence of clinical and non-clinical signs...
January 2024: Saudi Dental Journal
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