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https://www.readbyqxmd.com/read/29346737/quantitative-and-qualitative-assessment-of-the-relative-arterial-contributions-to-the-calcaneus
#1
Johanna C E Donders, Craig E Klinger, Andre D Shaffer, Lionel E Lazaro, Ryan R Thacher, Jonathan P Dyke, David S Wellman, David L Helfet, Dean G Lorich
BACKGROUND: The purpose of this study was to quantitatively and qualitatively assess relative arterial contributions to the calcaneus. METHOD: Fourteen cadaveric ankle pairs were used. In each specimen, the posterior tibial artery, peroneal artery, and anterior tibial artery were cannulated and used for contrast-enhanced magnetic resonance imaging (MRI) and computed tomography (CT). Quantitative MRI analysis of the pre- and postcontrast MRI scans facilitated assessment of relative arterial contributions...
January 1, 2018: Foot & Ankle International
https://www.readbyqxmd.com/read/29340482/clear-cell-odontogenic-carcinoma-of-the-mandible-a-treatment-strategy
#2
Sabrina Ferreira, Leonardo Perez Faverani, Gabriel Mulinari Dos Santos, Everton Pontes Martins, Idelmo Rangel Garcia Júnior
Clear cell odontogenic carcinoma (CCOC) is a rare odontogenic tumor of the jaws, histologically characterized by the presence of agglomerates of cells with eosinophilic cytoplasm. The patient, a 62-year-old Caucasian woman, presented an intraosseous lesion in the mandibular symphysis. A clinical examination revealed a discrete volumetric increase with a hard consistency, palpable to extraoral and intraoral examinations. Imaging studies revealed an extensive radiolucent area, without defined limits, extending from the region of the right second premolar to the left canine...
January 15, 2018: Journal of Applied Oral Science: Revista FOB
https://www.readbyqxmd.com/read/29340345/intraosseous-temperature-changes-during-implant-site-preparation-in-vitro-comparison-of-thermocouples-and-infrared-thermography
#3
Sönke Harder, Christopher Egert, Sandra Freitag-Wolf, Christian Mehl, Matthias Kern
PURPOSE: Implant-supported dental prostheses are based on the principle of osseointegration, and the success of dental implantation depends on adequate formation of this intimate bone-to-implant contact. The application of heat during the drilling procedure leads to a rise in intraosseous temperature at the prospective implant site, which may result in various complications. The purpose of the present study was to compare the ability of thermocouples and infrared thermography to detect changes in intraosseous temperature during dental implant site preparation...
January 2018: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/29338789/diagnosis-treatment-and-response-assessment-in-solitary-plasmacytoma-updated-recommendations-from-a-european-expert-panel
#4
REVIEW
J Caers, B Paiva, E Zamagni, X Leleu, J Bladé, S Y Kristinsson, C Touzeau, N Abildgaard, E Terpos, R Heusschen, E Ocio, M Delforge, O Sezer, M Beksac, H Ludwig, G Merlini, P Moreau, S Zweegman, M Engelhardt, L Rosiñol
Solitary plasmacytoma is an infrequent form of plasma cell dyscrasia that presents as a single mass of monoclonal plasma cells, located either extramedullary or intraosseous. In some patients, a bone marrow aspiration can detect a low monoclonal plasma cell infiltration which indicates a high risk of early progression to an overt myeloma disease. Before treatment initiation, whole body positron emission tomography-computed tomography or magnetic resonance imaging should be performed to exclude the presence of additional malignant lesions...
January 16, 2018: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/29324473/chondromyxoid-fibroma-arising-in-craniofacial-sites-a-clinicopathologic-analysis-of-25-cases
#5
David M Meredith, Christopher D M Fletcher, Vickie Y Jo
Chondromyxoid fibroma (CMF) is a rare benign tumor, usually arising in the metaphysis of long bones in young adults. Occurrence in craniofacial bones presents a particular diagnostic challenge given its unusual location and resemblance to malignant mimics. We describe the clinicopathologic features of 25 cases of craniofacial CMF identified between 1999 and 2017. Patients were 14 men and 11 women, with median age of 44 years (range, 5 to 83 y). Sites of involvement were sphenoid (7), ethmoid (5), maxilla (3), occipital (2), nasal septum (2), palatine (2), temporal (2), orbit (1), and undisclosed skull (1)...
January 10, 2018: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/29310869/intraosseous-vascular-access-is-associated-with-lower-survival-and-neurologic-recovery-among-patients-with-out-of-hospital-cardiac-arrest
#6
Takahisa Kawano, Brian Grunau, Frank X Scheuermeyer, Koichiro Gibo, Christopher B Fordyce, Steve Lin, Robert Stenstrom, Robert Schlamp, Sandra Jenneson, Jim Christenson
STUDY OBJECTIVE: We seek to determine the effect of intraosseous over intravenous vascular access on outcomes after out-of-hospital cardiac arrest. METHODS: This secondary analysis of the Resuscitation Outcomes Consortium Prehospital Resuscitation Using an Impedance Valve and Early Versus Delayed (PRIMED) study included adult patients with nontraumatic out-of-hospital cardiac arrests treated during 2007 to 2009, excluding those with any unsuccessful attempt or more than one access site...
January 6, 2018: Annals of Emergency Medicine
https://www.readbyqxmd.com/read/29303761/simple-bone-cyst-rare-incidental-finding-in-the-mandibular-condyle-by-cone-beam-computed-tomography
#7
Eliana Dantas da Costa, Gina Delia Roque-Torres, Priscila Dias Peyneau, Luís Roberto Godolfim, Francisco Haiter Neto, Solange Maria Almeida
The simple bone cyst (SBC) is a benign intraosseous lesion that is considered to be a pseudocyst because the cystic cavity does not present an epithelial lining. The most accepted theory regarding its etiology is that the SBC develops when the blood clot fails to organize subsequent to bleeding caused by trauma. The SBC is asymptomatic, and therefore the diagnosis is made through routine imaging examinations. In imaging examinations, the lesion is characterized by a radiolucent, unilocular, well-delimited appearance and an irregular or scalloped contour with or without a sclerotic halo...
January 2018: General Dentistry
https://www.readbyqxmd.com/read/29302291/a-case-series-of-intraosseous-hemangioma-of-the-jaws-various-presentations-of-a-rare-entity
#8
Srinivasa R Chandra, Eleanor Chen, Timothee Cousin, Dolphine Oda
Background: Hemangiomas of the soft tissue are common in the head and neck area, especially in the tongue and in children under ten years of age. Intraosseous hemangiomas of the mandible and maxilla (IHM), on the other hand, are exceedingly rare and are not well characterized. This study presents six IHM cases focusing on the clinical, radiographic, and histologic characteristics. Material and Methods: Six cases of IHM were retrieved from the archives of the Biopsy Services at the University of Washington...
November 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/29302284/adenomatoid-odontogenic-tumor-case-series-of-14-with-wide-range-of-clinical-presentation
#9
Fatima Al-Shimari, Srinivasa Chandra, Dolphine Oda
Background: To present 14 cases of adenomatoid odontogenic tumor (AOT), highlighting their clinical, radiographic, and histologic characteristics. Material and Methods: Fourteen cases of AOT were retrieved from the archives of the Oral Pathology Biopsy Service (OPBS). Clinical, radiologic, and histologic findings are described. Results: Fourteen AOT cases were reviewed, of which 12 were intraosseous and two were peripheral (gingiva). The cases came from eight females and six males with an age range of 11-30...
November 2017: Journal of Clinical and Experimental Dentistry
https://www.readbyqxmd.com/read/29302139/single-stage-surgery-using-calcium-sulfate-pellets-in-association-with-tumor-resection-as-treatment-for-intraosseous-hemangioma-of-the-radius-shaft-in-a-2-year-old-boy
#10
Antonio Andreacchio, Flavia Alberghina, Vanessa Giacometti, Lorenza Marengo, Federico Canavese
Intraosseous hemangiomas are uncommon benign vascular tumors. Here the authors report a case of intraosseous hemangioma of the radial shaft in a 2-year-old boy, surgically treated by tumor mass resection and application of calcium sulfate pellets with no signs of relapse over a 2-year follow-up. Moreover, the lesion healed with new bone formation, and the last plain radiographs suggested homogenous normal trabecular bone density. The radius grew in length and remodeled to an almost normal shape. Clinically, elbow flexion-extension and forearm pronation and supination were within normal limits at the last follow-up visit...
December 2017: Journal of Hand and Microsurgery
https://www.readbyqxmd.com/read/29300281/the-ios-have-it-a-prospective-observational-study-of-vascular-access-success-rates-in-patients-in-extremis-using-video-review
#11
Kristen M Chreiman, Ryan P Dumas, Mark J Seamon, Patrick K Kim, Patrick M Reilly, Lewis J Kaplan, Jason D Christie, Daniel N Holena
BACKGROUND: Quick and successful vascular access in injured patients arriving in extremis is crucial to enable early resuscitation and rapid OR transport for definitive repair. We hypothesized that intraosseous (IO) access would be faster and have higher success rates than peripheral IVs (PIVs) or central venous catheters (CVCs). METHODS: High-definition video recordings of resuscitations for all patients undergoing Emergency Department Thoracotomy (EDT) from 4/2016-7/2017 were reviewed as part of a quality improvement initiative...
January 4, 2018: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/29274165/epidemiologic-study-of-odontogenic-and-non-odontogenic-cysts-in-children-and-adolescents-of-a-brazilian-population
#12
L-P da Silva, A Gonzaga, M Severo, C-S Barros, A de Medeiros, L de Souza, É da Silveira
BACKGROUND: the objective of this study was to describe the frequency of cystic lesions in a Brazilian population of patients histopathologically diagnosed in the first and second decade of life. MATERIAL AND METHODS: Retrospective descriptive cross-sectional study was performed. Biopsy records were obtained from the archives of a Brazilian referral center between 1980 and 2016. RESULTS: A total of 2.114 biopsy records of pediatric patients were analyzed with oral and maxillofacial lesions...
December 23, 2017: Medicina Oral, Patología Oral y Cirugía Bucal
https://www.readbyqxmd.com/read/29273609/bone-marrow-edema-associated-with-everolimus
#13
Rachel Lebovic McDevitt, Chelsey Quinlan, Katie Hersberger, Vaibhav Sahai
PURPOSE: The case of a patient who experienced bone marrow edema and pain in both feet and a compression fracture of one heel bone after several months of everolimus use is reported. SUMMARY: A 62-year-old woman with a grade 1 metastatic pancreatic neuroendocrine tumor (pNET) developed bilateral lower extremity edema and pain approximately 4 months after initiation of treatment with everolimus, an inhibitor of mammalian (or mechanistic) target of rapamycin (mTOR)...
January 1, 2018: American Journal of Health-system Pharmacy: AJHP
https://www.readbyqxmd.com/read/29244687/pilon-fractures-of-the-base-of-the-proximal-phalanx-direct-intraosseous-joint-reduction-with-bone-grafting-and-mini-screws-a-case-report
#14
Iva Neshkova, Rainer H Meffert
CASE: A 31-year-old woman sustained a closed pilon fracture of the base of the second proximal phalanx. Computed tomography showed comminution, central depression, and splaying of the articular surface. We used a method of direct intraosseous joint reduction in combination with bone-grafting and mini-screws to treat the fracture. For reduction, a golf-club-shaped instrument was inserted into the medullary cavity through a drill-hole in the phalanx. CONCLUSION: The advantage of this technique is that it leaves the joint capsular complex and the extensor hood intact...
January 2017: JBJS Case Connector
https://www.readbyqxmd.com/read/29244665/osseous-myopericytoma-simulating-a-giant-cell-tumor-of-bone-a-case-report
#15
Eric Bellinger, Ivy John, Daniel Zaccarini, Timothy A Damron
CASE: Myopericytoma is a benign perivascular myoid neoplasm that typically presents in the dermal and subcutaneous soft tissues of the distal aspect of the extremities. These types of tumor form a clinicopathological spectrum with myofibromas, angiopericytomas, angioleiomyomas, and glomus tumors. Intraosseous myopericytomas are exceptionally rare, and to our knowledge, no cases of myopericytoma involving long bones previously have been described. We present a case of myopericytoma occurring in the distal aspect of the femur of a 36-year-old man...
April 2017: JBJS Case Connector
https://www.readbyqxmd.com/read/29238382/a-case-of-central-mucoepidermoid-carcinoma-associated-with-dentigerous-cyst
#16
Sayed Mohammad Razavi, Roya Yahyaabadi, Saeedeh Khalesi
Mucoepidermoid carcinoma (MEC) is the most common malignant salivary gland neoplasm. Central MEC (CMEC) is a rare primary intraosseous bony lesion with an incidence of 2%-4.3% of all MECs reported. In this article, we present a rare case of a CMEC in the anterior region of maxilla at a 43-year-old female patient that was arising from a dentigerous cyst. CMECs are extremely rare tumor. They are usually low-grade lesions with favorable prognosis. Odontogenic cysts are one of the origins of this lesion. Treatment of impacted tooth is necessary in the early stage for prevention of this neoplasm...
November 2017: Dental Research Journal
https://www.readbyqxmd.com/read/29235359/unusual-cranial-infection-caused-by-citrobacter-koseri
#17
Suparna Das, Nicholas Ross
A 60-year-old female had a frontal bone intraosseous meningioma resected 10 years previously. On follow up CT head, an enlarging intraosseous frontal bone lesion was noted. This was thought to be a recurrent frontal meningioma. Intraooperatively, she was found to have an abscess deep to the cranioplasty.
December 13, 2017: British Journal of Neurosurgery
https://www.readbyqxmd.com/read/29229291/primary-intraosseous-squamous-cell-carcinoma-of-the-mandible-locoregional-control-and-survival-is-significantly-reduced-if-the-tumour-is-more-than-4cm-in-size
#18
Q Shen, Y Chen, S Gokavarapu, W Cao, T Ji
To establish the prognostic factors for primary intraosseous squamous cell carcinoma we designed a retrospective study of patients treated in the head and neck department of a tertiary referral centre in China from 2010-2015. We collected clinical, radiological, and histopathological data from 36 patients treated during the given time period, among which 34 were followed up. There were 22 male and 12 female patients, 13 of whom gave a history of smoking tobacco and four who drank alcohol. All 34 patients were treated by segmental mandibulectomy and neck dissection...
December 8, 2017: British Journal of Oral & Maxillofacial Surgery
https://www.readbyqxmd.com/read/29226824/mdixon-based-texture-analysis-of-an-intraosseous-lipoma-a-case-report-and-current-review-for-the-dental-clinician
#19
Kyung Mi Lee, Hyug-Gi Kim, Yeon-Hee Lee, Eui Jong Kim
An intraosseous lipoma is a rare histologic variant of lipoma, accounting for only 0.1% of all primary bone tumors. This may not be the actual incidence because most of these lesions are frequently asymptomatic, but imaging modalities, such as computed tomography or magnetic resonance imaging (MRI) seem to have increased the detection rate. Lipoma occasionally undergoes osseous metaplasia and becomes an osseous lipoma. Although there are numerous papers discussing intraosseous lipoma and some authors have tried to differentiate lipomas from osseous lipomas, there is still a great deal of confusion with regard to characteristic radiologic features and the use of terms...
December 6, 2017: Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology
https://www.readbyqxmd.com/read/29207720/locally-aggressive-primary-intraosseous-paraganglioma-of-sacrum
#20
Parampalli Srinivas Srilatha, Lakshmi Rao
Primary Intraosseous Paraganglioma (PGL) of sacrum is highly uncommon. Few of the spinal PGL reported were mostly intradural mass. Paraganglionic tissue is usually not present in the bone. So far, only seven cases of primary intraosseous sacral PGL have been reported in the literature. There are no dependable prognostic histological features to differentiate benign from malignant PGL. The only unequivocal criterion for malignancy is metastasis to an organ where paraganglionic tissue is normally not present...
September 2017: Journal of Clinical and Diagnostic Research: JCDR
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