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calcified ligament

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https://www.readbyqxmd.com/read/28627740/biofabrication-of-soft-tissue-templates-for-engineering-the-bone-ligament-interface
#1
Ella Harris, Yurong Liu, Grainne Cuniffe, 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...
June 19, 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
#2
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
#3
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...
January 1, 2017: Interventional Neuroradiology
https://www.readbyqxmd.com/read/28521632/hepatic-calcified-tumor-like-mass-complicating-umbilical-vein-catheterization-in-a-neonate
#4
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
#5
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
https://www.readbyqxmd.com/read/28502669/biomimetic-tendon-extracellular-matrix-composite-gradient-scaffold-enhances-ligament-to-bone-junction-reconstruction
#6
Huanhuan Liu, Long Yang, Erchen Zhang, Rui Zhang, Dandan Cai, Shouan Zhu, Jisheng Ran, Varitsara Bunpetch, Youzhi Cai, Boon Chin Heng, Yejun Hu, Xuesong Dai, Xiao Chen, Hongwei Ouyang
Management of ligament/tendon-to-bone-junction healing remains a formidable challenge in the field of orthopedic medicine to date, due to deficient vascularity and multi-tissue transitional structure of the junction. Numerous strategies have been employed to improve ligament-bone junction healing, including delivery of stem cells, bioactive factors, and synthetic materials, but these methods are often inadequate at recapitulating the complex structure-function relationships at native tissue interfaces. Here, we developed an easily-fabricated and effective biomimetic composite to promote the regeneration of ligament-bone junction by physically modifying the tendon extracellular matrix (ECM) into a Random-Aligned-Random composite using ultrasound treatment...
May 11, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28468190/eagle-syndrome-an-unusual-cause-limited-mouth-opening-and-surgical-management
#7
Tahrir N Aldelaimi, Saman W Boskani, Shakhawan M Ali, Payman K Mahmud
Eagle syndrome, defined "stylalgia," occurs when an elongated styloid process or calcified stylohyoid ligament causes dysphagia, facial pain recurrent throat pain or foreign body sensation, also associated symptoms such as neck or throat pain with radiation to the ear. The symptoms related to this condition can be confused or misdiagnosed to a wide variety of facial neuralgias. The incidence of Eagle syndrome varies among population. Usually asymptomatic, it occurs in adult patients, and can be diagnosed by physical examination and radiologically...
May 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28447734/high-glucose-promotes-the-osteogenic-differentiation-capability-of-human-periodontal-ligament-fibroblasts
#8
Sujiwan Seubbuk, Hathaitip Sritanaudomchai, Julalux Kasetsuwan, Rudee Surarit
Periodontal ligament fibroblasts (PDLFs) are important cells, which are involved in maintaining tooth integrity. Diabetes has been found to be associated with periodontal disease in a bidirectional manner. The aim of the present study was to investigate the stemness properties of human PDLFs (HPDLFs) in high glucose conditions. HPDLFs were analyzed for their osteogenic differentiation capacity by inducing the cells with osteogenic medium in various glucose concentrations. The gene expression was then examined using reverse transcription‑quantitative polymerase chain reaction analysis, and examinations of alkaline phosphatase activity and nodule formation were performed...
May 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28367081/changes-of-articular-cartilage-and-subchondral-bone-after-extracorporeal-shockwave-therapy-in-osteoarthritis-of-the-knee
#9
Ching-Jen Wang, Jai-Hong Cheng, Wen-Yi Chou, Shan-Ling Hsu, Jen-Hung Chen, Chien-Yiu Huang
We assessed the pathological changes of articular cartilage and subchondral bone on different locations of the knee after extracorporeal shockwave therapy (ESWT) in early osteoarthritis (OA). Rat knees under OA model by anterior cruciate ligament transaction (ACLT) and medial meniscectomy (MM) to induce OA changes. Among ESWT groups, ESWT were applied to medial (M) femur (F) and tibia (T) condyles was better than medial tibia condyle, medial femur condyle as well as medial and lateral (L) tibia condyles in gross osteoarthritic areas (p<0...
2017: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/28228894/osteolipoma-of-the-knee
#10
Tien-Phat V Huynh, Cara A Cipriano, Ian S Hagemann, Michael V Friedman
A case of a right knee intra-articular osteolipoma in a 64-year-old man is reported. The patient presented for evaluation of a 1-year history of nontraumatic, mechanically-exacerbated, medial-sided right knee pain. Radiographs demonstrated a partially calcified 3.0 cm mass anterior to the distal medial femur at the suprapatellar fossa. Magnetic resonance imaging examination confirmed a 4.0 × 3.6 cm well-circumscribed mass deep to the medial patellofemoral ligament, with predominantly fat characteristics on T1-weighted and T2-weighted sequences...
March 2017: Radiology case reports
https://www.readbyqxmd.com/read/28202998/-comparative-study-of-proliferative-and-periodontal-differentiation-propensity-of-induced-pluripotent-stem-cells-at-different-passages
#11
J W Li, X H Yin, Q X Luan
OBJECTIVE: To compare the proliferative and periodontal specific differentiation abilities of induced pluripotent stem cells (iPSCs) at different passages, and to investigate whether long term culturing would have a negative influence on their proliferation and specific differentiation capacity, thus providing a theoretical basis for further in-depth research on periodontal regeneration and the possible clinical applications of iPSCs. METHODS: IPSCs derived from human gingival fibroblasts at passages 5, 10, 15 and 20 were recovered and cultured in vitro...
February 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28106688/eagle-syndrome-an-unusual-cause-limited-mouth-opening-and-surgical-management
#12
Tahrir N Aldelaimi, Saman W Boskani, Shakhawan M Ali, Payman K Mahmud
Eagle syndrome defined "stylalgia" occurs when an elongated styloid process or calcified stylohyoid ligament causes dysphagia, facial pain recurrent throat pain or foreign body sensation, also associated symptoms such as neck or throat pain with radiation to the ear. The symptoms related to this condition can be confused or miss diagnosis to a wide variety of facial neuralgias. The incidence of Eagle syndrome varies among population. Usually asymptomatic, it occurs in adult patients, can be diagnosed by physical examination and radiologically...
January 18, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28024891/transdural-herniated-lumbar-disc-disease-with-muscle-patch-for-closure-of-durotomy-a-brief-review-of-literature
#13
REVIEW
Harsha A Huliyappa, Rakesh Kumar Singh, Sunil Kumar Singh, Manish Jaiswal, Somil Jaiswal, Chhitij Srivastava, Balkrishna Ojha, Anil Chandra, Satnam Chhabra
PURPOSE: Intradural migration of disc (IDMD) is a rare clinical entity accounting for 0.27-0.33% of all herniated disc diseases. Flimsy or dense adhesion between the ventral dural surface and the opposing posterior longitudinal ligament (PLL) is the principal pathology for intradural migrated disc. The most commonly affected lumbar segments are L4-5 (55%), L3-4 (16%), L5-S1 (10%) and less commonly L2L3 and L1L2. No imaging feature is characteristic and the management protocol of durotomy via an endoscopic method is unclear...
March 2017: Neurologia i Neurochirurgia Polska
https://www.readbyqxmd.com/read/27935884/-use-of-the-multitask-device-while-performing-endarterectomy-from-iliac-arteries
#14
I P Mikhailov, G A Isaev, L S Kokov, I M Gol'dina
AIM: The study was aimed at assessing efficacy of using the "MultiTASK" device manufactured by the Le Maitre Company while performing extended endarterectomy from iliac arteries in patients presenting with multilevel atherosclerotic lesions of the arterial bed and chronic ischaemia of lower extremities. PATIENTS AND METHODS: We analysed the outcomes of surgical management of a total of 37 patients presenting with multilevel atherosclerotic lesions of the common and external iliac arteries and arteries below the inguinal ligament over the period from 2012 to 2015 at the Department of Emergency Vascular Surgery of the Scientific Research Institute of Emergency Ambulance Care named after N...
2016: Angiologii︠a︡ i Sosudistai︠a︡ Khirurgii︠a︡, Angiology and Vascular Surgery
https://www.readbyqxmd.com/read/27858390/eagle-syndrome-presented-with-neurological-symptoms
#15
Elçin Aydin, Hüseyin Quliyev, Celal Çinar, Halil Bozkaya, İsmail Oran
AIM: Eagle syndrome is a rare entity that causes recurrent throat pain, neck pain, dysphagia, or facial pain by elongated styloid process or calcified stylohyoid ligament. Clinical findings related to the lower cranial nerves compression have also been reported. In some cases it is reported that carotid artery compression or dissection can be seen due to elongated styloid process and it is called carotid artery syndrome. Carotid artery compression causes flow reduction and carotidynia or neurological symptoms can be seen...
October 14, 2016: Turkish Neurosurgery
https://www.readbyqxmd.com/read/27843719/cranial-bone-histology-of-metoposaurus-krasiejowensis-amphibia-temnospondyli-from-the-late-triassic-of-poland
#16
Kamil Gruntmejer, Dorota Konietzko-Meier, Adam Bodzioch
In this study, 21 skull bones of Metoposaurus krasiejowensis from the Late Triassic of Poland were investigated histologically. Dermal bones show a diploë structure, with an ornamented external surface. The ridges consist of mostly well vascularized parallel-fibered bone; the valleys are built of an avascular layer of lamellar bone. The thick middle region consists of cancellous bone, with varying porosity. The thin and less vascularized internal cortex consists of parallel-fibered bone. The numerous Sharpey's fibers and ISF are present in all bones...
2016: PeerJ
https://www.readbyqxmd.com/read/27761179/carotid-stent-fracture-from-stylocarotid-syndrome
#17
REVIEW
Jeffrey D Hooker, David A Joyner, Edward P Farley, Majid Khan
Eagle syndrome is a rare condition resulting from elongation of the temporal styloid process or calcification of its associated stylohyoid ligaments. Although usually presenting with pain or odynophagia, Eagle syndrome has been reported to cause a multitude of neurologic symptoms or vascular complications, some of which can be life-threatening. We present a case in which an endovascularly placed internal carotid artery stent in close proximity to a calcified stylohyoid ligament resulted in stent fracture with subsequent stent and vessel occlusion...
June 2016: Journal of Radiology Case Reports
https://www.readbyqxmd.com/read/27721644/severely-calcified-leiomyoma-of-broad-ligament-in-a-postmenopausal-woman-report-of-a-rare-case
#18
Subrata Pal, Sajeeb Mondal, Palash Kr Mondal, Gargi Raychaudhuri, Rajashree Pradhan, Suparna Banerjee
Calcified broad ligament leiomyoma is a rare benign lesion in postmenopausal age group. It causes diagnostic confusion with solid calcified adnexal mass and large bladder calculi at the pelvic region. Clinical and radiological diagnoses were confirmed by histopathology of the hysterectomy specimen. We hereby present a case of heavily calcified broad ligament fibroid in a postmenopausal woman.
July 2016: Journal of Mid-life Health
https://www.readbyqxmd.com/read/27544335/shattering-the-rock-technique-of-bilateral-optic-nerve-mobilization-and-drilling-heavily-calcified-craniopharyngiomas-for-its-excision
#19
Pravin Salunke, Apinderpreet Singh, Arsikere N Deepak
BACKGROUND: Resection of heavily calcified craniopharyngioma is quite challenging. The stretched optic nerves, perforators, and stalk are likely to be jeopardized further during attempts to break the calcified chunks, especially through narrow corridors. We describe a surgical technique to mobilize bilateral optic nerves and drill the calcified chunk to crumple it. METHODS: This technique was used in 6 patients with heavily calcified craniopharyngiomas (2 recurrent) who had presented with progressive visual loss...
November 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27538158/-preliminary-research-of-er-yag-laser-used-for-pulpotomy-of-beagle-dogs
#20
Y D Guo, S Zhang
OBJECTIVE: To investigate the effects of erbium:yttrium aluminium garnet (Er:YAG)laser irradiation on pulp and formation of dentin bridge. The beagle dogs' coronal pulp is amputated by Er:YAG laser. METHODS: In the study, 24 premolar teeth of two one-year-old Beagle dogs were used. They were divided into 3 groups: bur group, 200 mJ laser group,100 mJ laser group. The coronal pulp were removed by traditional bur or 200 mJ/20 Hz or 100 mJ/20 Hz Er:YAG laser. Then, they were dressed with mineral trioxide aggregate (MTA) and sealed with resin...
February 18, 2016: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
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