1 kA/m, resulting from strong exchange coupling between the hard and the soft phases. (c) 2011 American Institute of Physics. [doi:10.1063/1.3567043]“
“An improved understanding of perinatal stroke epidemiology, classification, neuroimaging, and outcomes has
emerged in recent years. Despite this, little is known regarding the pathophysiological mechanisms responsible for most cases. A multitude of possible associations and putative risk factors have been reported, but most SB431542 clinical trial lack definitive empirical evidence supporting primary causation. These include obstetrical and maternal factors, perinatal conditions, infectious diseases, prothrombotic abnormalities, cardiac disorders, medications, and many others. The bulk of evidence is weak, dominated by case reports and retrospective case series. Findings from the small number of case-control and cohort studies that exist are limited by heterogeneous populations and methodologies. The single largest barrier to ultimately understanding and potentially improving outcomes from this common and disabling condition is the lack of comprehensive, fully powered risk factor studies required to definitively describe perinatal stroke pathogenesis. This review summarizes current evidence and suggests future directions for research.”
“Objective. This hospital-based study was designed to provide demographic data on odontogenic
tumors from the southern Indian population in the state of Tamil Nadu for comparison PP2 chemical structure with pertinent series from other geographic regions.
Study design. A total of 489 cases of odontogenic tumors registered over a period of 38 years
(February 1970-March 2008) in the Department of Oral and Maxillofacial Pathology of Tamil Nadu Government Dental College and Hospital, Chennai, India, were retrieved from the files of histopathology registers and were retrospectively analyzed.
Results. Odontogenic tumors in the present study constituted 4.13% of all the Selleckchem Dactolisib 11,843 registered biopsies. The mandible was the most commonly affected anatomic location, with 362 cases (74.02%). Ameloblastoma with a predilection for posterior mandible was the most frequent odontogenic tumor (67.69%), followed by adenomatoid odontogenic tumor (9%), odontoma (7.77%), and calcifying odontogenic cyst (5.52%). The patients were affected over a wide age range of 5-75 years with a mean age of 32.64 years and peak occurrence in the second and third decades of life. Among the 489 cases, only 15 (3.07%) were malignant.
Conclusion. The relative frequency of 4.13% of odontogenic tumors observed in this study, which is the largest series from this part of the world. Ameloblastoma formed the single most common tumor of all odontogenic tumors. This study observed both regional and geographic variations in the frequency and distribution of odontogenic tumors.