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https://www.readbyqxmd.com/read/29764674/surgical-management-of-patients-with-eagle-syndrome
#1
Frances Mei Hardin, Roy Xiao, Brian B Burkey
OBJECTIVE: Eagle syndrome, a spectrum of disease resulting from an elongated styloid process and/or calcified stylohyoid ligament, lacks standardized recommendations regarding indications for surgical intervention and approach. STUDY DESIGN: Retrospective cohort study. SETTING: Single tertiary care institution. SUBJECTS: Patients treated surgically for Eagle syndrome between January 2011 and June 2017. METHODS: Patients were diagnosed with Eagle syndrome based on thorough clinical workup and assessment...
May 9, 2018: American Journal of Otolaryngology
https://www.readbyqxmd.com/read/29691366/mutual-inhibition-between-hdac9-and-mir-17-regulates-osteogenesis-of-human-periodontal-ligament-stem-cells-in-inflammatory-conditions
#2
Liya Li, Wenjia Liu, Hong Wang, Qianjuan Yang, Liqiang Zhang, Fang Jin, Yan Jin
Histone deacetylases (HDAC) plays important roles in the post-translational modifications of histone cores as well as non-histone targets. Many of them are involved in key inflammatory processes. Despite their importance, whether and how HDAC9 is regulated under inflammatory conditions remains unclear. The aim of this study was to evaluate the effects of HDAC9 under chronic inflammation condition in human periodontal ligament stromal cell (PDLSCs) and to explore the underlying regulatory mechanism. PDLSCs from healthy or periodontitis human tissue was compared...
April 24, 2018: Cell Death & Disease
https://www.readbyqxmd.com/read/29681964/a-rare-case-of-calcifying-fibrous-pseudotumor-of-the-pleura-with-an-accompanying-vascular-anomaly-in-the-pulmonary-ligament
#3
Hanna Lisowska, Marek Marciniak, Jan Cianciara, Konrad Pawełczyk
No abstract text is available yet for this article.
March 2018: Kardiochirurgia i Torakochirurgia Polska, Polish Journal of Cardio-Thoracic Surgery
https://www.readbyqxmd.com/read/29656239/mechanical-alterations-of-the-bone-cartilage-unit-in-a-rabbit-model-of-early-osteoarthrosis
#4
Sarah Pragnère, Caroline Boulocher, Ophélie Pollet, Catherine Bosser, Aurélie Levillain, Magali Cruel, Thierry Hoc
OBJECTIVE: The purpose of this study was to assess mechanical properties along with microstructural modifications of the hyaline cartilage (HC), calcified cartilage (CC) and cortical plate (Ct.Pt), in an anterior cruciate ligament transection (ACLT) model. Medial femoral condyles of six healthy rabbits (control group) and of six ACLT rabbits 6 weeks after OA induction were explanted. The zone of interest (ZOI) for all experiments was defined as the weight bearing areas of the samples...
April 3, 2018: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/29556590/the-role-of-vascular-laboratory-in-the-management-of-eagle-syndrome
#5
Prince C Esiobu, Mi Jin Yoo, Erin M Kirkham, R Eugene Zierler, Benjamin W Starnes, Matthew P Sweet
Eagle syndrome is caused by an elongated styloid process or calcified stylohyoid ligament. The stylocarotid variant with neurologic symptoms is rare and presents a diagnostic challenge. Patients may present with transient ischemic attacks, syncope, or less well defined symptoms like episodic dizziness. We report use of vascular laboratory testing in the management of Eagle syndrome. In one patient, on Doppler ultrasound examination of the ipsilateral temporal artery, the signal was lost with provocative neck flexion...
March 2018: Journal of Vascular Surgery Cases and Innovative Techniques
https://www.readbyqxmd.com/read/29472678/omfs-resection-of-the-calcified-ligament
#6
B Speculand
No abstract text is available yet for this article.
February 23, 2018: British Dental Journal
https://www.readbyqxmd.com/read/29395278/tonsillectomy-sparing-transoral-robot-assisted-styloidectomy
#7
Sameep Kadakia, Ameya Jategaonkar, Ansley Roche, Raymond L Chai
Eagle Syndrome can present with a variety of symptoms and be caused by an elongated styloid process or calcified stylohyoid ligament. Patients failing medical management of this disorder may be treated with surgical excision of the styloid process. In the literature, transoral and transcervical approach have both been described. Although transoral approaches typically begin with a tonsillectomy, tonsil-sparing approaches have also been utilized. With the advent of robotic surgery, the potential for a tonsillectomy sparing approach has become a feasible alternative, preventing the pain and morbidity associated with adult tonsillectomy while continuing to provide superior exposure and instrumentation...
March 2018: American Journal of Otolaryngology
https://www.readbyqxmd.com/read/29392340/decompression-for-cervical-disc-herniation-using-the-full-endoscopic-anterior-technique
#8
REVIEW
S Oezdemir, M Komp, P Hahn, S Ruetten
OBJECTIVE: Resection of a cervical disc herniation using a full-endoscopic technique with an anterior approach. INDICATION: Fresh disc herniation with monoradicular symptoms in the upper extremity. CONTRAINDICATIONS: Pure neck pain, cervical myelopathy, older and calcified disc herniations, higher grade of instability and deformity. SURGICAL TECHNIQUE: Introduction of a guidewire and dilatator to a cervical disc using an anterior approach...
February 1, 2018: Operative Orthopädie und Traumatologie
https://www.readbyqxmd.com/read/29318336/-decompression-for-cervical-disc-herniation-using-the-full-endoscopic-anterior-technique-german-version
#9
REVIEW
S Oezdemir, M Komp, P Hahn, S Ruetten
OBJECTIVE: Resection of a cervical disc herniation using a full-endoscopic technique with an anterior approach. INDICATION: Fresh disc herniation with monoradicular symptoms in the upper extremity. CONTRAINDICATIONS: Pure neck pain, cervical myelopathy, older and calcified disc herniations, higher grade of instability and deformity. SURGICAL TECHNIQUE: Introduction of a guidewire and dilatator to a cervical disc using an anterior approach...
February 2018: Operative Orthopädie und Traumatologie
https://www.readbyqxmd.com/read/29119044/nursing-review-of-diagnosis-and-treatment-of-lumbar-degenerative-spondylolisthesis
#10
Nancy E Epstein, Renee D Hollingsworth
Background: In the lumbar spine, degenerative spondylolisthesis or degenerative (not traumatic) slippage of one vertebral body over another is divided into 4 grades - grade I (25%), grade II (50%), grade III (75%), and grade IV (100%). Dynamic X-rays, magnetic resonance (MR), and computed tomography (CT) scans document the slip secondary to arthritic changes of the facet joint plus stenosis, ossification of the yellow ligament, disc herniations, and synovial cysts. MR best demonstrates soft tissue pathology whereas CT better delineates ossific/calcified disease...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/29063603/effects-of-paraoxonase-1-on-the-cytodifferentiation-and-mineralization-of-periodontal-ligament-cells
#11
R Masumoto, J Kitagaki, M Matsumoto, S Miyauchi, C Fujihara, M Yamashita, S Yamada, M Kitamura, S Murakami
BACKGROUND AND OBJECTIVE: Single nucleotide polymorphisms (SNPs) of paraoxonase 1 (PON1) are known to be associated with the pathogenesis of osteoporosis and periodontitis. However, the effects of PON1 on the osteoblastic differentiation of periodontal ligament (PDL) cells are unclear. In this study, we examined the effects of PON1 on the osteoblastic differentiation of PDL cells, and analysed the role of PON1 SNPs on the pathogenesis of aggressive periodontitis (AgP) in the Japanese population...
April 2018: Journal of Periodontal Research
https://www.readbyqxmd.com/read/29017973/modulating-microfibrillar-alignment-and-growth-factor-stimulation-to-regulate-mesenchymal-stem-cell-differentiation
#12
Dinorath Olvera, Binulal N Sathy, Simon F Carroll, Daniel J Kelly
The ideal tissue engineering (TE) strategy for ligament regeneration should recapitulate the bone - calcified cartilage - fibrocartilage - soft tissue interface. Aligned electrospun-fibers have been shown to guide the deposition of a highly organized extracellular matrix (ECM) necessary for ligament TE. However, recapitulating the different tissues observed in the bone-ligament interface using such constructs remains a challenge. This study aimed to explore how fiber alignment and growth factor stimulation interact to regulate the chondrogenic and ligamentous differentiation of mesenchymal stem cells (MSCs)...
December 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28904526/a-case-of-a-very-elongated-styloid-process
#13
YaLi Liu, Huaian Yang, Xiangguo Cui
Eagle syndrome is characterized by recurrent pain in the oropharynx and face due to an elongated styloid process or calcified stylohyoid ligament. In this article, we experienced a case of an elongated styloid process which is very rare in size and detailed treatment process. The patient was a 53-year-old Chinese woman with a chief complaint of frequent episodes of radiating pain in left preauricular region for 2 years. An intraoral approach was chosen to shorten part of her styloid process, and the chief complaint disappeared immediately after the operation...
2017: Clinical Medicine Insights. Ear, Nose and Throat
https://www.readbyqxmd.com/read/28901023/mosasaurs-and-snakes-have-a-periodontal-ligament-timing-and-extent-of-calcification-not-tissue-complexity-determines-tooth-attachment-mode-in%C3%A2-reptiles
#14
Aaron R H LeBlanc, Denis O Lamoureux, Michael W Caldwell
Squamates present a unique challenge to our understanding of dental evolution in amniotes because they are the only extant tooth-bearing group for which a ligamentous tooth attachment is considered to be absent. This has led to the assumption that mammals and crocodilians have convergently evolved a ligamentous tooth attachment, composed of root cementum, periodontal ligament, and alveolar bone, whereas squamates are thought to possess a single bone of attachment tissue that fuses teeth to the jaws. The identity and homology of tooth attachment tissues between squamates, crocodilians, and mammals have thus been a focal point of debate for decades...
December 2017: Journal of Anatomy
https://www.readbyqxmd.com/read/28781916/nursing-review-section-of-surgical-neurology-international-part-2-lumbar-spinal-stenosis
#15
REVIEW
Nancy E Epstein, Renee D Hollingsworth
BACKGROUND: The lumbar spine includes 5 lumbar vertebral bodies, L1, L2, L3, L4, and L5. At each level, there is a disc space defined by the two bones (vertebral bodies) in the back; for example, there is a disc space at the L5-S1 level etc. The normal front to back (anterior to posterior or AP diameter) measurement of the spinal canal is typically 18-20 mm, but some patients have narrowing called spinal stenosis. METHODS: Lumbar stenosis is defined by two major types...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28627740/biofabrication-of-soft-tissue-templates-for-engineering-the-bone-ligament-interface
#16
Ella Harris, Yurong Liu, Grainne Cunniffe, David Morrissey, Simon Carroll, Kevin Mulhall, Daniel J Kelly
Regenerating damaged tissue interfaces remains a significant clinical challenge, requiring recapitulation of the structure, composition, and function of the native enthesis. In the ligament-to-bone interface, this region transitions from ligament to fibrocartilage, to calcified cartilage and then to bone. This gradation in tissue types facilitates the transfer of load between soft and hard structures while minimizing stress concentrations at the interface. Previous attempts to engineer the ligament-bone interface have utilized various scaffold materials with an array of various cell types and/or biological cues...
October 2017: Biotechnology and Bioengineering
https://www.readbyqxmd.com/read/28553355/innovative-3d-model-of-the-human-middle-ear-in-high-resolution-with-a-histological-microgrinding-method-a-feasibility-study-and-comparison-with-%C3%AE-ct
#17
Susanne Bradel, Laura Doniga-Crivat, Silke Besdo, Franziska Lexow, Michael Fehr, Thomas Lenarz, Nils Prenzler, Gudrun Brandes
Conclusion. The development of a histological 3D model of the tympanic cavity visualizes the exact microanatomy of the sound conduction organ and is therefore essential for finite elements simulations and surgical training. Objectives. So far, no accurate histological 3D model of the sound conduction system existed in literature. For 3D reconstruction of the very fine structures inside and outside the auditory ossicles, a method based on histological slices allows a more differential analysis of both hard and soft tissues and could thus be superior to μCT...
2017: International Journal of Otolaryngology
https://www.readbyqxmd.com/read/28530160/eagle-syndrome-a-case-report-of-stylocarotid-syndrome-with-internal-carotid-artery-dissection
#18
Travis W Smoot, Ammar Taha, Nicholas Tarlov, Blake Riebe
Eagle syndrome is defined by an elongated styloid process or a calcified stylohyoid ligament that impinges on surrounding structures and causes a variety of symptoms. Classically, Eagle syndrome presents as neck, throat, or ear pain. The vascular variant, stylocarotid syndrome, can present as headache, transient ischemic attack, or stroke. Carotid artery dissection is a rare complication of stylocarotid syndrome. We report a case of stylocarotid syndrome in a 60-year-old man who presented with a right internal carotid artery (ICA) dissection and focal neurological deficits...
August 2017: Interventional Neuroradiology
https://www.readbyqxmd.com/read/28521632/hepatic-calcified-tumor-like-mass-complicating-umbilical-vein-catheterization-in-a-neonate
#19
Jeffrey M Resnick, Brett Carmichael, Audra Winder, Kathleen M Dominguez
Presented is a case of a hepatic calcified mass complicating umbilical vein catheterization in a neonate and diagnosed by wedge biopsy. Wedge biopsy of the hepatic mass, situated in proximity to the falciform ligament, revealed expansion of portal tracts by fibrosis and calcification. Some aggregates of calcified material appeared in ectatic vascular spaces. The biopsy findings accounted for the radiographic appearance of the mass and the constellation of features were deemed indicative of calcification secondary to umbilical vein catheterization...
June 2017: Pediatric and Developmental Pathology
https://www.readbyqxmd.com/read/28508730/a-rare-fatality-due-to-calcified-stylohyoid-ligament-eagle-syndrome
#20
Avneesh Gupta, Anil Aggrawal, Puneet Setia
The elongation or calcification of the stylohyoid ligament that leads to pressure symptoms, or entrapment of nearby glossopharyngeal nerve or carotid artery, is known as Eagle syndrome. A PubMed search leads to finding of rare fatality among the 49 reported cases. In the present case, the deceased was a 40-year-old male who choked on his food. We hypothesise that the impaction of food in the upper respiratory tract, as well as the inability to intubate the person, were both the result of the calcified stylohyoid ligament...
June 2017: Medico-legal Journal
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