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Intraosseous line

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https://www.readbyqxmd.com/read/29191248/squamous-cell-carcinoma-arising-from-a-keratocystic-odontogenic-tumor-a-case-report
#1
Rajapakse Mudiyanselage Sumudu Himesha Bandara Medawela, Nadeena Sri Swarnaguptha Jayasuriya, Dugganna Ralalage Dilini Lalanthi Ratnayake, Ajith Manjula Attygalla, Bogahawatte Samarakoon Mudiyanselage Samadarani Siriwardena
BACKGROUND: The term "primary intraosseous squamous cell carcinoma" was introduced in 2005 by the World Health Organization with three subcategories. Squamous cell carcinoma arising from the lining of an odontogenic cyst is one important rare subcategory of such lesions with an incidence of 0.01 to 0.02%. Furthermore, the appearance of such malignancy in an odontogenic tumor such as keratocystic odontogenic tumor is considered extremely rare. CASE PRESENTATION: In this case report we report a case of a 50-year-old Sri Lankan woman who complained of pain and increase in the size of a swelling at the anterior mandible, which had been present for over 1 year...
December 1, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/29170348/51%C3%A2-paediatric-emergency-clinicians-are-rarely-exposed-to-non-airway-critical-procedures-a-predict-pern-study
#2
Juan P Garrahan, Mark Lyttle, Ed Oakley, Stuart Dalziel, Lucia Nguyen, Arjun Rao, Santiago Mintegi, Franz Babl
BACKGROUND: Recent studies suggest that approximately one per thousand paediatric ED attendances may require some sort of critical procedure, with intubation being by far the most common. It is unknown how often critical non-airway procedures such as chest decompression, CPR, ED thoracotomy, defibrillation, pacing, and advanced vascular access techniques are performed by paediatric emergency clinicians. OBJECTIVE: To determine the recent performance or supervision, and confidence for various paediatric critical non-airway procedures by senior paediatric emergency clinicians...
December 2017: Emergency Medicine Journal: EMJ
https://www.readbyqxmd.com/read/29121421/assessment-of-biologically-aggressive-recurrent-glandular-odontogenic-cysts-for-mastermind-like-2-maml2-rearrangements-histopathologic-and-fluorescent-in-situ-hybridization-fish-findings-in-eleven-cases
#3
Robert O Greer, Jeffrey Eskendri, Paul Freedman, Moni Ahmadian, Aline Murakami-Walter, Marileila Varella-Garcia
BACKGROUND: Glandular odontogenic cyst (GOC) demonstrates a significant predilection toward localized biologic aggressiveness and recurrence. GOC shares certain histopathologic features with intraosseous mucoepidermoid carcinoma (IMEC). The current investigation evaluates a group of recurrent, biologically aggressive GOCs to determine if any cases demonstrated unique histologic features or Mastermind - like2 (MAML2) rearrangements common to IMEC. METHODS: Microscopic slides from eleven previously diagnosed GOGs were stained with hematoxylin and eosin and assessed by two study participants for ten classic histopathologic features required to establish a diagnosis of GOC...
November 9, 2017: Journal of Oral Pathology & Medicine
https://www.readbyqxmd.com/read/29099374/traumatic-bone-cyst-of-an-anterior-mandible-with-previous-symphyseal-fracture-in-a-pediatric-patient-a-rare-finding-and-etiopathologic-correlation
#4
Kumar Nilesh, Aaditee V Vande, Shivsagar Tewary, K V Suresh
Traumatic bone cysts (TBCs) are uncommon intraosseous lesions, classified as pseudocysts because they lack an epithelial membrane lining. The etiology of a pseudocyst has not been determined. Various hypotheses have been put forward to explain its pathogenesis, of which the traumatic-hemorrhagic theory is the most commonly accepted. Minor trauma, insufficient to cause fracture or iatrogenic injury, is commonly implicated as the stimulus initiating cyst formation. A TBC presenting after jaw fracture has been rarely reported in the literature...
November 2017: General Dentistry
https://www.readbyqxmd.com/read/29079260/biomechanical-comparison-of-transosseous-knotless-rotator-cuff-repair-versus-transosseous-equivalent-repair-half-the-anchors-with-equivalent-biomechanics
#5
Robert Z Tashjian, Robert W Hoy, Joel R Helgerson, Andrew D Guss, Heath B Henninger, Robert T Burks
PURPOSE: To compare the biomechanics of a transosseous equivalent (TOE) repair using medial and lateral anchors with tape to a transosseous knotless (TOK) tape repair with only laterally placed intraosseous anchors. METHODS: One of 2 different repairs were performed on 8 paired specimens: (1) transosseous equivalent (TOE) tape repair or (2) transosseous knotless (TOK) tape repair. Specimens were mounted on a materials testing machine and loaded in uniaxial tension to measure cyclic construct gap formation, followed by failure testing...
October 24, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28940706/applied-anatomy-for-tibial-intraosseous-access-in-adults-a-radioanatomical-study
#6
Onur Polat, Ahmet Burak Oguz, Muge Gunalp Eneyli, Ayhan Comert, Halil Ibrahim Acar, Eray Tuccar
Intraosseous access is a method for providing vascular access in resuscitation of critically ill and injured patients when traditional intravenous access is difficult or impossible. There is a lack of detailed description for the landmark for the insertion point in the literature. The aim of this study was to determine the exact location for intraosseous access. Radiographic computed tomography (CT) images of a total of 50 dry tibia bones were obtained. With 5-mm intervals, for all transverse images and by selecting transverse section, measurements were taken from the thickness of the cortex at anterior margin and mid-line medial surface, distance from anterior margin, and mid-line medial surface of the tibia to the posterior wall of medullar cavity, distance from anterior margin and mid-line medial surface of the tibia to the posterior surface of the tibia...
September 22, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28933800/prevalence-and-morphometric-analysis-of-idiopathic-osteosclerosis-in-a-chilean-population
#7
Ramón Fuentes, Alain Arias, Nicolás Astete, Constanza Farfán, Ivonne Garay, Fernando Dias
The aim of this study was to analyse the prevalence and morphometric parameters of idiopathic osteosclerosis (IO) in a Chilean population. IO is an intraosseous growth of compact, benign, unilocular, non-expandable bone that is referred to as an anatomical variation. A cross-sectional study was performed using 1000 digital panoramic radiographs of adults in which data on the location (maxillary/mandibular, right/left hemiarcades), shape, position to the dental apex, and the prevalence of IOs were observed in relation to gender and age...
September 21, 2017: Folia Morphologica (Warsz)
https://www.readbyqxmd.com/read/28887277/single-step-resection-of-an-intraosseous-meningioma-and-cranial-reconstruction-technical-note
#8
C E Broeckx, T J J Maal, R D Vreeken, R R M Bos, M Ter Laan
OBJECTIVE: Simultaneous tumour resection and cranial reconstruction can be a challenging task. Surgical navigation is an indispensible tool in making this single-step procedure possible. In this case report we describe a new technique for this procedure to ensure a precise resection and optimal fit of the implant in a patient with an intraosseous meningioma. METHODS: We generated a 3D model of the patients skull based on a CT-scan and created a digital 'resection line' object using 3D Studio Max 2016 software...
September 5, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28805551/bone-targeted-cabazitaxel-nanoparticles-for-metastatic-prostate-cancer-skeletal-lesions-and-pain
#9
Andrew S Gdowski, Amalendu Ranjan, Marjana R Sarker, Jamboor K Vishwanatha
AIM: The aim of this study was to develop a novel cabazitaxel bone targeted nanoparticle (NP) system for improved drug delivery to the bone microenvironment. MATERIALS & METHODS: Nanoparticles were developed using poly(D,L-lactic-co-glycolic acid) and cabazitaxel as the core with amino-bisphosphonate surface conjugation. Optimization of nanoparticle physiochemical properties, in vitro evaluation in prostate cancer cell lines and in vivo testing in an intraosseous model of metastatic prostate cancer was performed...
September 2017: Nanomedicine
https://www.readbyqxmd.com/read/28706782/immunohistochemical-evaluation-of-podoplanin-in-odontogenic-tumours-cysts-using-anti-human-podoplanin-antibody
#10
Namrata Singhal, Nitin Khanduri, Deepak Kurup, Brijesh Gupta, Pranjan Mitra, Roshani Chawla
BACKGROUND: Odontogenic Cysts & tumors originate through some aberration from the normal pattern of odontogenesis. Ameloblastoma is one of the most frequent intraosseous odontogenic tumors. However it is no longer appropriate to use the diagnosis of ameloblastoma without specifying the type. Varied-clinical entities of ameloblastoma differ in their biologic behaviour. Odontogenic cysts like dentigerous and radicular cysts are less aggressive in nature than odontogenic tumors. Recently, podoplanin commonly used as a lymphatic endothelial marker in cancers has recently been found to play a possible role in odontogenic tumorigenesis also...
May 2017: Journal of Oral Biology and Craniofacial Research
https://www.readbyqxmd.com/read/28680851/squamous-cell-carcinoma-arising-within-a-maxillary-odontogenic-keratocyst-a-rare-occurrence
#11
Elnaz Jalali, Elie M Ferneini, Kandasamy Rengasamy, Aditya Tadinada
Squamous cell carcinoma (SCC) arising within the lining of an odontogenic keratocyst (OKC) is a rare occurrence. Although potentially locally destructive, OKC is a benign odontogenic process that typically presents with clinical and radiographic features characteristic of a benign intraosseous neoplasm. We present the clinical and radiographic features of a maxillary mass that demonstrated SCC arising from the lining of an OKC. Although the initial clinical and radiographic presentation suggested an infection or malignant neoplasm, biopsies revealed an infiltrative well-differentiated SCC contiguous with and arising from the focus of a pre-existing OKC...
June 2017: Imaging Science in Dentistry
https://www.readbyqxmd.com/read/28611319/assessing-alpha-tocopherol-levels-in-patients-with-keratocystic-odontogenic-tumor-a-cross-sectional-study
#12
Bhargavi Krishna Ayinampudi, Sushmita Bhargavi Varikoti, Pacha Venkat Baghirath, B Hari Vinay, Ch Gayathri, Ashalata Gannepalli
AIMS AND OBJECTIVES: A keratocystic odontogenic tumour (KCOT) is a benign uni- or multicystic, intraosseous tumour of odontogenic origin, with a characteristic lining of parakeratinized stratified squamous epithelium and potential for aggressive, infiltrative behaviour. Various studies in hamsters showed that, alpha-Tocopherol, which is an active biological form of Vitamin E, is a potent antioxidant known to inhibit tumour formation and also regression of established tumours. So, the aim of the present pilot study was to assess the levels of Alpha-Tocopherol(Vitamin E) in Patients with KCOT and compare them with Vitamin E levels in normal healthy individuals...
March 2017: Indian Journal of Dental Research: Official Publication of Indian Society for Dental Research
https://www.readbyqxmd.com/read/28507384/intraosseous-access-over-central-venous-or-peripheral-venous-line-as-an-initial-means-of-resuscitation-a-possible-measure-for-improving-outcomes-of-cardiac-arrests
#13
Saad Ullah, Anas Siddiqui, Noman Ahmed Jang Khan
No abstract text is available yet for this article.
May 2017: JPMA. the Journal of the Pakistan Medical Association
https://www.readbyqxmd.com/read/28504970/osteoclast-proton-pump-regulator-atp6v1c1-enhances-breast-cancer-growth-by-activating-the-mtorc1-pathway-and-bone-metastasis-by-increasing-v-atpase-activity
#14
Matthew McConnell, Shengmei Feng, Wei Chen, Guochun Zhu, Dejun Shen, Selvarangan Ponnazhagan, Lianfu Deng, Yi-Ping Li
It is known that V-ATPases (vacuolar H+-ATPase) are involved in breast cancer growth and metastasis. Part of this action is similar to their role in osteoclasts, where they're involved in extracellular acidification and matrix destruction; however, the roles of their subunits in cancer cell proliferation, signaling, and other pro-tumor actions are not well established. Analysis of TCGA data shows that V-ATPase subunit Atp6v1c1 is overexpressed or amplified in 34% of human breast cancer cases, with a 2-fold decrease in survival at 12 years...
July 18, 2017: Oncotarget
https://www.readbyqxmd.com/read/28367856/successful-management-of-gorham-stout-disease-in-the-cervical-spine-by-combined-conservative-and-surgical-treatments-a-case-report
#15
Satoshi Tateda, Toshimi Aizawa, Ko Hashimoto, Haruo Kanno, Susumu Ohtsu, Eiji Itoi, Hiroshi Ozawa
Gorham-Stout disease (GSD) is a rare condition characterized by intraosseous proliferation of endothelial-lined vessels and progressive osteolysis. The precise etiology and pathophysiology of the disease remain poorly understood. Current therapeutic options for GSD include chemotherapy, radiotherapy, and surgical resection, but the surgical treatment of GSD is difficult, especially in the spinal lesion. The indication of wide-margined resection was limited because of anatomical features. Herein, we report a case of GSD of the cervical spine in which the lesions were successfully stabilized with combined conservative and surgical treatments...
April 2017: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28366535/aspiration-and-cytological-evaluation-of-idiopathic-bone-cavities-of-the-jaw
#16
Elena Riet Correa Rivero, Felipe Perozzo Daltoé, Fernanda Weber Mello, Carlos Eduardo Chrzanowski Pereira de Souza, Liliane Janete Grando
The idiopathic bone cavity (IBC) is an intraosseous pseudocyst devoid of epithelial lining. Clinically, IBCs of the jaw are asymptomatic and normally found in routine radiographic exams. Although the literature regarding the content of IBCs is controversial, the final diagnosis is usually aided by the discovery of an empty cavity upon surgical exploration. The aim of this study was to perform cytological and histological analysis of IBC contents. Cytological analysis of nine cases of IBC was performed after puncture and processed by the cell block technique...
June 2017: Tissue & Cell
https://www.readbyqxmd.com/read/28203508/deltoid-compartment-syndrome-a-rare-complication-after-humeral-intraosseous-access
#17
Kishan M Thadikonda, Francesco M Egro, Irene Ma, Alexander M Spiess
We present a case of a 65-year-old woman who developed a delayed deltoid compartment syndrome after resuscitation via humeral intraosseous access. Initially she was treated conservatively but then was taken emergently for a fasciotomy. After confirming the diagnosis with compartment pressures, a 2-incision approach was employed and a large hematoma was evacuated from the inferior margin of the anterior deltoid. The rest of the deltoid was inspected and debrided to healthy bleeding tissue. Her fasciotomy wounds were left open to heal on their own due to her tenuous clinical condition...
January 2017: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/28160904/the-vascular-anatomy-of-the-capitate-new-discoveries-using-micro-computed-tomography-imaging
#18
Assaf Kadar, Mohamed Morsy, Yoo-Joon Sur, Alexis T Laungani, Osman Akdag, Steven L Moran
PURPOSE: To study the intraosseous 3-dimensional microvasculature of the capitate bone using a novel high-resolution micro-computed tomography (μCT) imaging technology, and to examine the blood supply as it relates to the most common fracture types. METHODS: Ten cadaveric wrists were injected with a lead-based contrast agent. The capitates were harvested and imaged using a μCT scanner. The intraosseous vascularity was incorporated into a 3-dimensional image. We measured the vascular pattern as well as the vessels' cross-sectional area, number, and distribution...
February 2017: Journal of Hand Surgery
https://www.readbyqxmd.com/read/28064266/infantile-intraosseous-maxillary-hemangioma
#19
Divya Gupta, Ishwar Singh, Kavita Goyal, Parul Sobti
BACKGROUND: Primary osseous hemangiomas of the facial skeleton mimic malignancy. Their location in maxillary sinus, especially in infants is extremely rare. CASE CHARACTERISTICS: 1- month-old full term boy with maxillary swelling. OBSERVATIONS: Biopsy from oral route revealed hemangioma showing vascular channels lined by endothelial cells. Patient improved on oral steroids. MESSAGE: Hemangiomas should be considered as one of the differential diagnosis of unilateral maxillary swelling in infants...
December 15, 2016: Indian Pediatrics
https://www.readbyqxmd.com/read/27977530/a-survey-assessment-of-perceived-importance-and-methods-of-maintenance-of-critical-procedural-skills-in-pediatric-emergency-medicine
#20
Matthew R Mittiga, Michael R FitzGerald, Benjamin T Kerrey
OBJECTIVE: The aim of this study was to delineate pediatric emergency medicine provider opinions regarding the importance of, and to ascertain existing processes by which practitioners maintain, the following critical procedural skills: oral endotracheal intubation, intraosseous line placement, pharmacologic and electrical cardioversion, tube thoracostomy, and defibrillation. METHODS: A customized survey was administered to all members of the Listserv for the American Academy of Pediatrics Section on Emergency Medicine...
December 12, 2016: Pediatric Emergency Care
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