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https://www.readbyqxmd.com/read/27858390/eagle-syndrome-presented-with-neurological-symptoms
#1
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
#2
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
#3
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
#4
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
#5
Pravin Salunke, Apinderpreet Singh, Arsikere N Deepak
BACKGROUND: Resection of heavily calcified craniopharyngioma is a quite challenging. The stretched optic nerves, perforators and stalk are likely to be jeopardised further during attempts to break the calcified chunks especially through narrow corridors. The authors describe a surgical technique to mobilize bilateral optic nerves and drilling 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...
August 17, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27538158/-preliminary-research-of-er-yag-laser-used-for-pulpotomy-of-beagle-dogs
#6
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
https://www.readbyqxmd.com/read/27495083/eight-years-of-follow-up-after-laminectomy-of-calcium-pyrophosphate-crystal-deposition-in-the-cervical-yellow-ligament-of-patient-with-coffin-lowry-syndrome-a-case-report
#7
Tadao Morino, Tadanori Ogata, Hideki Horiuchi, Shintaro Yamaoka, Mitsumasa Fukuda, Hiromasa Miura
BACKGROUND: We report 8 years of follow-up after decompression to treat cervical myelopathy in a patient with Coffin-Lowry syndrome (CLS). CLS is a rare X-linked semidominant syndrome associated with growth and psychomotor retardation, general hypotonia, and skeletal abnormalities. In this patient, the spinal cord was compressed by calcium pyrophosphate crystal deposition in the cervical yellow ligament (YL). To date, only 1 report has described clinical features after surgery for calcified cervical YL in CLS...
August 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27412665/on-the-heterogeneity-of-the-femoral-enthesis-of-the-human-acl-microscopic-anatomy-and-clinical-implications
#8
Mélanie L Beaulieu, Grace E Carey, Stephen H Schlecht, Edward M Wojtys, James A Ashton-Miller
BACKGROUND: Most ruptures of the native anterior cruciate ligament (ACL) and ACL graft occur at, or near, the femoral enthesis, with the posterolateral fibers of the native ligament being especially vulnerable during pivot landings. Characterizing the anatomy of the ACL femoral enthesis may help us explain injury patterns which, in turn, could help guide injury prevention efforts. It may also lead to improved anatomic reconstruction techniques given that the goal of such techniques is to replicate the knee's normal anatomy...
December 2016: Journal of Experimental Orthopaedics
https://www.readbyqxmd.com/read/27411380/case-report-calcification-of-the-medial-collateral-ligament-of-the-knee-with-simultaneous-calcifying-tendinitis-of-the-rotator-cuff
#9
Yama Kamawal, Andre F Steinert, Boris M Holzapfel, Maximilian Rudert, Thomas Barthel
BACKGROUND: Calcification of the medial collateral ligament (MCL) of the knee is a very rare disease. We report on a case of a patient with a calcifying lesion within the MCL and simultaneous calcifying tendinitis of the rotator cuff in both shoulders. CASE PRESENTATION: Calcification of the MCL was diagnosed both via x-ray and magnetic resonance imaging (MRI) and was successfully treated surgically. Calcifying tendinitis of the rotator cuff was successfully treated applying conservative methods...
2016: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/27385277/hepatic-calcified-tumor-like-mass-complicating-umbilical-vein-catheterization-in-a-neonate
#10
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...
July 6, 2016: Pediatric and Developmental Pathology
https://www.readbyqxmd.com/read/27330834/leiomyosarcoma-of-the-broad-ligament-with-fever-presentation-a-case-report-and-review-of-literature
#11
Shahla Chaichian, Abolfazl Mehdizadehkashi, Kobra Tahermanesh, Bahram Moazzami, Fatemeh Jesmi, Moezedinjavad Rafiee, Katayoun Goharimoghaddam
INTRODUCTION: Leiomyosarcoma is a rare gynecologic malignancy that accounts for less than 1% of gynecological malignancies. Leiomyosarcoma of the broad ligament is an even rarer condition. According to Gardner's criteria, the diagnosis is made when the mass is completely separated from the uterus and adnexa. So far, 23 cases of primary leiomyosarcoma of the broad ligament have been reported in the literature published in English. CASE PRESENTATION: In September 2014, a 55-year-old, gravida 3, para 3 woman with a BMI of 30 and a chief complaint of fever and dizziness was admitted to the infectious-diseases ward of the Pars general hospital affiliated with Iran University of Medical Sciences in Tehran, Iran...
April 2016: Iranian Red Crescent Medical Journal
https://www.readbyqxmd.com/read/27278017/three-dimensional-visualisation-of-soft-biological-structures-by-x-ray-computed-micro-tomography
#12
REVIEW
Tom Shearer, Robert S Bradley, L Araida Hidalgo-Bastida, Michael J Sherratt, Sarah H Cartmell
Whereas the two-dimensional (2D) visualisation of biological samples is routine, three-dimensional (3D) imaging remains a time-consuming and relatively specialised pursuit. Current commonly adopted techniques for characterising the 3D structure of non-calcified tissues and biomaterials include optical and electron microscopy of serial sections and sectioned block faces, and the visualisation of intact samples by confocal microscopy or electron tomography. As an alternative to these approaches, X-ray computed micro-tomography (microCT) can both rapidly image the internal 3D structure of macroscopic volumes at sub-micron resolutions and visualise dynamic changes in living tissues at a microsecond scale...
July 1, 2016: Journal of Cell Science
https://www.readbyqxmd.com/read/27237823/acute-neck-pain-caused-by-pseudogout-attack-of-calcified-cervical-yellow-ligament-a-case-report
#13
Takashi Kobayashi, Naohisa Miyakoshi, Toshiki Abe, Eiji Abe, Kazuma Kikuchi, Hideaki Noguchi, Norikazu Konno, Yoichi Shimada
BACKGROUND: Calcification of the yellow ligament sometimes compresses the spinal cord and can induce myelopathy. Usually, the calcification does not induce acute neck pain. We report a case of a patient with acute neck pain caused by calcium pyrophosphate dihydrate in a calcified cervical yellow ligament. CASE PRESENTATION: A 70-year-old Japanese woman presented with acute neck pain. She had a moderately high fever (37.5 °C), and her neck pain was so severe that she could not move her neck in any direction...
2016: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/27129490/transcriptome-reveals-cathepsin-k-in-periodontal-ligament-differentiation
#14
S Yamada, N Ozaki, K Tsushima, S Yamaba, C Fujihara, T Awata, H Sakashita, T Kajikawa, J Kitagaki, M Yamashita, M Yanagita, S Murakami
Periodontal ligaments (PDLs) play an important role in remodeling the alveolar bond and cementum. Characterization of the periodontal tissue transcriptome remains incomplete, and an improved understanding of PDL features could aid in developing new regenerative therapies. Here, we aimed to generate and analyze a large human PDL transcriptome. We obtained PDLs from orthodontic treatment patients, isolated the RNA, and used a vector-capping method to make a complementary DNA library from >20,000 clones. Our results revealed that 58% of the sequences were full length...
August 2016: Journal of Dental Research
https://www.readbyqxmd.com/read/27051958/-canonical-wnt-signaling-pathway-of-the-osteogenic-differentiation-of-human-periodontal-ligament-stem-cells-induced-by-advanced-glycation-end-products
#15
Wu Yan, Deng Chao, Yang Kun, Cui Xiaoxia, Liu Qi, Jin Yan
OBJECTIVE: The effect of advanced glycation end products (AGEs) on the osteogenic differentiation of humanperiodontal ligament stem cells(hPDLSCs) was discussed. Changes in the Wnt signaling pathway during glycation were also determined. METHODS: In vitro tissue explanting method was primarily applied. Limiting diluted clone was cultured to obtain hPDLSCs in vitro. The subjects were divided into two groups: the healthy group (N-hPDLSCs) and the AGEs-stimulating group (A-hPDLSCs)...
December 2015: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
https://www.readbyqxmd.com/read/27048472/solid-state-quantitative-1-h-and-31-p-mri-of-cortical-bone-in-humans
#16
REVIEW
Alan C Seifert, Felix W Wehrli
Magnetic resonance imaging (MRI) plays a pivotal role for assessment of the musculoskeletal system. It is currently the clinical modality of choice for evaluation of soft tissues including cartilage, ligaments, tendons, muscle, and bone marrow. By comparison, the study of calcified tissue by MRI is still in its infancy. In this article, we review the potential of the modality for assessment of cortical bone properties known to be affected in degenerative bone disease, with focus on parameters related to matrix and mineral densities, and porosity, by means of emerging solid-state (1)H and (31)P MRI techniques...
June 2016: Current Osteoporosis Reports
https://www.readbyqxmd.com/read/26994597/apical-closure-in-apexification-a-review-and-case-report-of-apexification-treatment-of-an-immature-permanent-tooth-with-biodentine
#17
Karla Vidal, Gabriela Martin, Oscar Lozano, Marco Salas, Jaime Trigueros, Gabriel Aguilar
Materials such as calcium hydroxide paste and mineral trioxide aggregate are used in apexification treatment of immature permanent teeth, but the search for improved materials with higher characteristics of biocompatibility results in different materials. Biodentine is a tricalcium silicate cement that possesses adequate handling characteristics and acceptable mechanical and bioactivity properties. This report describes the case of a 9-year-old boy who was referred to the Department of Dental Clinic of Querétaro Autonomous University of Mexico...
May 2016: Journal of Endodontics
https://www.readbyqxmd.com/read/26922483/investigation-of-the-calcification-at-the-petroclival-region-through-multi-slice-computed-tomography-of-the-skull-base
#18
Mikail Inal, Nuray Bayar Muluk, Veysel Burulday, Mehmet Hüseyin Akgül, Mehmet Faik Ozveren, Umut Orkun Çelebi, Gökçe Şimşek, Birsen Ünal Daphan
OBJECTIVES: The aim of this paper was a retrospective investigation of calcification at the petroclival region using Multi-slice Computed Tomography (MSCT). METHODS: One hundred thirty skull bases were reviewed. The images were acquired with a 64 slice CT (MSCT). At first images were taken at the axial plane; and then coronal and sagittal reconstructions of raw data were performed. Later investigations were carried out on these 3-dimensional images (3-D imaging)...
April 2016: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/26792705/abnormal-mechanical-loading-induces-cartilage-degeneration-by-accelerating-meniscus-hypertrophy-and-mineralization-after-acl-injuries-in-vivo
#19
Guoqing Du, Hongsheng Zhan, Daofang Ding, Shaowei Wang, Xiaochun Wei, Fangyuan Wei, Jianzhong Zhang, Bahar Bilgen, Anthony M Reginato, Braden C Fleming, Jin Deng, Lei Wei
BACKGROUND: Although patients with an anterior cruciate ligament (ACL) injury have a high risk of developing posttraumatic osteoarthritis (PTOA), the role of meniscus hypertrophy and mineralization in PTOA after an ACL injury remains unknown. PURPOSE/HYPOTHESIS: The purpose of this study was to determine if menisci respond to abnormal loading and if an ACL injury results in meniscus hypertrophy and calcification. The hypotheses were that (1) abnormal mechanical loading after an ACL injury induces meniscus hypertrophy and mineralization, which correlates to articular cartilage damage in vivo, and (2) abnormal mechanical loading on bovine meniscus explants induces the overexpression of hypertrophic and mineralization markers in vitro...
March 2016: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/26779263/mesenchymal-stem-cells-derived-from-dental-pulp-a-review
#20
REVIEW
Edgar Ledesma-Martínez, Víctor Manuel Mendoza-Núñez, Edelmiro Santiago-Osorio
The mesenchymal stem cells of dental pulp (DPSCs) were isolated and characterized for the first time more than a decade ago as highly clonogenic cells that were able to generate densely calcified colonies. Now, DPSCs are considered to have potential as stem cell source for orthopedic and oral maxillofacial reconstruction, and it has been suggested that they may have applications beyond the scope of the stomatognathic system. To date, most studies have shown that, regardless of their origin in third molars, incisors, or exfoliated deciduous teeth, DPSCs can generate mineralized tissue, an extracellular matrix and structures type dentin, periodontal ligament, and dental pulp, as well as other structures...
2016: Stem Cells International
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