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https://www.readbyqxmd.com/read/28524272/frontal-sinus-development-and-juvenile-age-estimation
#1
Kaitlin Moore, Ann Ross
Assessment of development is an important component of age estimation in juveniles. One area that has not been fully investigated as a possible aging method is the development of the frontal sinus. The frontal sinuses form when the ectocranial table of the frontal bone separates from the endocranial table forming an air pocket in the bone. The endocranial table ceases growth with the brain, while the ectocranial table is displaced anteriorly as the facial bones continue growth. In order to examine growth and the utility of the frontal sinuses for age estimation, 392 radiographs were examined (♀=159 and ♂=233) from the Juvenile Radiograph Database at North Carolina State University and the Patricia Database from Mercyhurst University...
May 19, 2017: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/28512604/traditional-dentistry-knowledge-among-serbs-in-several-balkan-countries
#2
Dragan V Ilic, Biljana Andjelski Radicevic, Anely Nedelcheva, Ivana Djurovic, Dejan Ostojic
BACKGROUND/AIM: There are still unrevealed treasures of traditional dental medicine, that is, the reason to investigate and present various ways in treatment of oral and orofacial tissues, as well as magic and religious elements involved in representative areas among Serbs. MATERIALS AND METHODS: Information was collected from the elderly non-professional folk dentists and herbalists with the additional help of local physicians and dentists that was done through questionnaire and personal interviews...
April 2017: Journal of Intercultural Ethnopharmacology
https://www.readbyqxmd.com/read/28512102/uncommon-presentation-of-adult-form-scimitar-syndrome-associated-with-single-left-pulmonary-vein-in-a-pregnant-woman
#3
Sarah Ali Althomali, Ashraf Ahmad Alhefny, Mohammad Salih Almalki
Scimitar syndrome is the constellation of malformations including an abnormal venous drainage of the right lung into the inferior vena cava, associated with the right lung and systemic supply to the right lung. The anomalous vein looks like the curved, Turkish sword (scimitar), hence the name.The adult form of scimitar syndrome is rare, and it is usually an incidental diagnosis based on the characteristic finding on radiological imaging since the patients are usually asymptomatic or with minimal symptoms.Our patient presented with a rare presentation of scimitar syndrome, which is tachyarrhythmia (sinus tachycardia, with episodes of supraventricular tachycardia)...
May 15, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28501959/contralateral-sinus-involvement-of-surgically-treated-unilateral-allergic-fungal-rhinosinusitis
#4
Abdulaziz AlQahtani, N Alshaikh, A Alzarei, A Musleh, A Alamri, A Alqahtani, F Alfawwaz, F Alshammari, M Aloulah, O Marglani, S Alsaleh, T Alandejani, H Mokarbesh
Recurrence of allergic fungal rhinosinusitis (AFRS) is well recognized. However, there is scarcity in the literature describing involvement of the non-diseased sinuses. We aimed to evaluate the recurrence forms of unilateral AFRS as well as to study the possible predictor factors of developing the disease in the contralateral side. Patients with exclusive unilateral AFRS from (2010 to 2015) were enrolled in multi-institutional case-control study. All patients were evaluated after endoscopic sinus surgery for recurrence...
May 13, 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28496387/frontal-sinus-fractures
#5
REVIEW
Kelly Schultz, Tara L Braun, Tuan A Truong
The frontal bone serves a protective role, representing the transition between the facial skeleton and the cranium. Within its enclosure, the frontal sinus lies adjacent to many important intracranial structures, and injury to this region has severe complications if not properly managed. Historically, the goals of frontal sinus fracture management have been to best prevent intracranial complications with invasive procedures, but a recent shift favoring conservative management now aims to preserve the form and function of the frontal sinus and its outflow tract...
May 2017: Seminars in Plastic Surgery
https://www.readbyqxmd.com/read/28494043/maxillary-sinus-floor-augmentation-using-xenograft-gene-expression-and-histologic-analysis
#6
Jaijam Suwanwela, Dollaya Puangchaipruk, Kamolporn Wattanasirmkit, Paksinee Kamolratanakul, Pornchai Jansisyanont
PURPOSE: Many histologic and histomorphometric studies as well as systematic reviews have shown the clinical success of the use of anorganic bovine bone (ABB, Bio-Oss) in maxillary sinus floor augmentation (MSFA). The molecular processes involved in bone healing are, however, still unknown. The aims of this study were to explore gene expression associated with bone remodeling and inflammation in MSFA sites. MATERIALS AND METHODS: The mRNA expression levels of runt related transcription factor 2 (RUNX2), receptor activator of NF-kB ligand (RANKL), osteoprotegerin (OPG), matrix metallopeptidase 9 (MMP-9), tartrate-resistance acid phosphatase (TRAP), and interleukin-1beta (IL-1β), as well as the ratio of RANKL/OPG were compared between alveolar bone of a group after MSFA with ABB and a maxillary posterior edentulous bone group...
May 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28474322/%C3%AE-tcp-ha-with-or-without-enamel-matrix-proteins-for-maxillary-sinus-floor-augmentation-a-histomorphometric-analysis-of-human-biopsies
#7
James Carlos Nery, Luís Antônio Violin Dias Pereira, George Furtado Guimarães, Cassio Rocha Scardueli, Fabiana Mantovani Gomes França, Rubens Spin-Neto, Andreas Stavropoulos
BACKGROUND: It is still unclear whether enamel matrix proteins (EMD) as adjunct to bone grafting enhance bone healing. This study compared histomorphometrically maxillary sinus floor augmentation (MSFA) with β-TCP/HA in combination with or without EMD in humans. METHODS: In ten systemically healthy patients needing bilateral MSFA, one side was randomly treated using β-TCP/HA mixed with EMD (BC + EMD) and the other side using only β-TCP/HA (BC). After 6 months, biopsies were harvested from grafted areas during implant installation, being histologically and histomorphometrically analyzed...
December 2017: International Journal of Implant Dentistry
https://www.readbyqxmd.com/read/28463990/the-presence-of-bacterial-microcolonies-on-the-maxillary-sinus-ciliary-epithelium-in-healthy-young-individuals
#8
Monika Morawska-Kochman, Krzysztof Marycz, Katarzyna Jermakow, Kamil Nelke, Wojciech Pawlak, Marek Bochnia
OBJECTIVE: The aim of this cross-sectional in vitro study was to evaluate the mucosal surfaces of healthy maxillary sinuses, explore different forms of bacterial microorganism colonies present on the mucous membrane, and determine a mucosal surface area they occupy. METHODS: Samples of the maxillary sinus mucosa were collected from 30 healthy patients (M = 11; F = 19). The material was obtained during the Le Fort I osteotomy performed during corrective jaw surgery...
2017: PloS One
https://www.readbyqxmd.com/read/28456718/role-of-choroid-plexus-in-cerebrospinal-fluid-hydrodynamics
#9
REVIEW
Darko Orešković, Milan Radoš, Marijan Klarica
The classic hypothesis presents the cerebrospinal fluid (CSF) as the "third circulation," which flows from the brain ventricles through the entire CSF system to the cortical subarachnoid space to eventually be passively absorbed into the superior sagittal sinus through arachnoid granulations. The choroid plexus (CP) represents a key organ in the classic CSF physiology and a powerful biological pump, which exclusively secretes CSF. Thereby, the CP is considered to be responsible for CSF pressure regulation and hydrocephalus development...
April 27, 2017: Neuroscience
https://www.readbyqxmd.com/read/28437271/surgical-management-of-traumatic-peripheral-osteoma-of-the-mandible
#10
André Bachega Gomes Geron, Vinícius Almeida Carvalho, Jessica Luana Dos Santos, Luciana Yamamoto Almeida, Jorge Esquiche León, Alexandre Elias Trivellato, Cássio Edvard Sverzut
Osteomas are benign osteogenic lesions that result from the proliferation of mature bone. Three variants are known: central, peripheral, and extraskeletal. The peripheral variant is the most common and it most frequently affects the paranasal sinuses, rarely occurring in the jaws. This article describes the case of a 33-year-old white male patient who was referred complaining of facial asymmetry. Clinical examination revealed an increase in volume at the base of the right side of the mandible, hard bony consistency and well delimited, painless to the touch, without signs of infection or intraoral alterations...
April 21, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28400936/clinical-profile-and-management-of-poisoning-with-suicide-tree-an-observational-study
#11
M Suraj Menon, Prasantha Kumar, C I Jayachandran
INTRODUCTION: The clinical features, management, and the associations of dosage in poisoning with the cardiotoxic plant Cerbera odollam (suicide tree), responsible for more than half of plant poisoning deaths in the South Indian State of Kerala alone, have not been evaluated. There are only few studies on its clinical features and none on the usage of cardiac pacing in its management, given its rarity in the Western world. We depend on data for similar toxins to form our management protocols...
October 2016: Heart Views: the Official Journal of the Gulf Heart Association
https://www.readbyqxmd.com/read/28394008/large-thoracic-tumor-without-superior-vena-cava-syndrome
#12
Nikolaos Garmpis, Christos Damaskos, Nikolaos Patelis, Dimitrios Dimitroulis, Eleftherios Spartalis, Ioannis Tomos, Anna Garmpi, Michael Spartalis, Efstathios A Antoniou, Konstantinos Kontzoglou, Periklis Tomos
A 62 year-old male with long-standing smoking history presented with hemoptysis. Plain chest x-ray showed abnormal findings proximate to the right pulmonary hilum. Bronchoscopy revealed a fragile exophytic tumor of the right wall of the lower third of the trachea, infiltrating the right main bronchus (75% stenosis) and the right upper lobar bronchus (near total occlusion). Contrast-enhanced chest CT demonstrated a 7.2x4.9 cm tumor contiguous to the above-mentioned structures, mediastinal lymph node pathology, and a vessel coursing inferiorly to the left of the aortic arch and anterior to the left hilum...
April 10, 2017: Folia Morphologica (Warsz)
https://www.readbyqxmd.com/read/28362929/metastatic-liposarcoma-of-the-skull-base-a-case-report-and-review-of-literature
#13
Nirmeen Zagzoog, Greta Ra, Alex Koziarz, John Provias, Doron Sommer, Saleh A Almenawer, Kesava Reddy
BACKGROUND AND IMPORTANCE: Myxoid liposarcoma is not an uncommon form of sarcoma. However, it usually affects the lower extremity long bones. Scapular involvement is extremely rare, as is a metastasis to the parasellar region. We present a case of liposarcoma of the skull base originating in the scapular region and metastasizing to the sellar and parasellar regions and provide a review of the pertinent literature. CLINICAL PRESENTATION: A 43-year-old female patient diagnosed with left scapular myxoid liposarcoma was treated with surgical resection...
April 1, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28349056/maxillary-sinus-augmentation-with-decellularized-bovine-compact-particles-a-radiological-clinical-and-histologic-report-of-4-cases
#14
Antonio Scarano
Background. One of the most problematic regions for endosseous implants is the posterior maxilla, not only having poor bone density, but also lacking adequate vertical height as a result of sinus pneumatization. The purpose of the present study was a radiologic, histological, and histomorphometrical evaluation, in humans, of specimens retrieved from sinuses augmented with decellularized bovine compact particles, after a healing period of 6 months. Methods. Four patients, with atrophic resorbed maxillas, underwent a sinus lift augmentation with decellularized bovine compact bone from bovine femur...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28348991/myths-and-misconceptions-in-general-public-toward-ocular-complications-followed-by-the-removal-of-upper-teeth
#15
Ujwala Rohan Newadkar, Lalit Chaudhari, Yogita Khalekar
INTRODUCTION: The upper jaw forms the floor of the maxillary sinus and the upper teeth are continuous with the whole midface and cranium, therefore while treating these teeth, it is important for the practitioner to consider the possibility of ocular complications. Ocular disturbances such as blurring of vision, mydriasis, ptosis, diplopia, enophthalmos, miosis, and blindness are rare complications due to intraoral local anesthesia. So far at present, the general population is having myths and misconceptions regarding the extraction of teeth and vision loss; hence, we evaluated the same...
October 2016: Journal of Family Medicine and Primary Care
https://www.readbyqxmd.com/read/28291122/smarcb1-ini-1-deficient-sinonasal-carcinoma-a-series-of-39-cases-expanding-the-morphologic-and-clinicopathologic-spectrum-of-a-recently-described-entity
#16
Abbas Agaimy, Arndt Hartmann, Cristina R Antonescu, Simion I Chiosea, Samir K El-Mofty, Helene Geddert, Heinrich Iro, James S Lewis, Bruno Märkl, Stacey E Mills, Marc-Oliver Riener, Thomas Robertson, Ann Sandison, Sabine Semrau, Roderick H W Simpson, Edward Stelow, William H Westra, Justin A Bishop
To more fully characterize the clinical and pathologic spectrum of a recently described tumor entity of the sinonasal tract characterized by loss of nuclear expression of SMARCB1 (INI1), we analyzed 39 SMARCB1-deficient sinonasal carcinomas collected from multiple medical centers. The tumors affected 23 males and 16 females with an age range of 19 to 89 years (median, 52). All patients presented with locally advanced disease (T3, n=5; T4, n=27) involving the sinuses (mainly ethmoid) with variable involvement of the nasal cavity...
April 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28290856/-chronic-heart-failure-with-preserved-systolic-function-and-reversible-dilatation-of-cardiac-chambers
#17
O V Blagova, S V Volkov, A V Nedostup, A O Korobkov, I V Mostovoy, N G Sergushina, N V Gagarina, E A Mershina
Diagnosis of dilation (D) cardiomyopathy (CMP) requires exclusion not only of inflammatory and genetically determined forms but also of some rare diseases. This 51 year old patient with history of moderate arterial hypertension approached a cardiologist because of new onset atrial fibrillation and dyspnea. Echocardiography detected dilation of all cardiac chambers with relatively preserved ejection fraction, causing suspicion of DCMP. Among conditions excluded were coronary atherosclerosis, congenital heart defect with left to right shunt, primary pulmonary hypertension, pulmonary embolism, hypertensive heart, tachycardia induced CMP, arrhythmogenic right ventricular dysplasia, noncompaction myocardium...
June 2016: Kardiologiia
https://www.readbyqxmd.com/read/28283757/concept-of-patient-specific-shape-memory-implants-for-the-treatment-of-orbital-floor-fractures
#18
Ronny Grunert, Maximilian Wagner, Christian Rotsch, Harald Essig, Susanna Posern, Friedemann Pabst, Welf-Guntram Drossel, Juergen Lichtenstein
PURPOSE: We will aim to develop implants made of a Ni-Ti shape memory alloy which can be applied for the treatment of midface fractures, such as isolated orbital floor fractures. These can then be implanted in a compressed form and unfold automatically in the body. With the help of newly developed application instruments, the implants can be applied along transnasal and transantral approaches into the maxillary sinus. Our objective is to evaluate the operation process and the functionality of these implants, already in a pre-investigation by an experienced surgeon on a phantom...
June 2017: Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28267896/treatment-of-supraventricular-tachycardia-in-a-horse
#19
Dorothy D Whelchel, Brett S Tennent-Brown, Amanda E Coleman, Gregg S Rapoport, Uriel Blas-Machado, Herbert W Maisenbacher, Brenton C Credille, Steeve Giguère
OBJECTIVE: To describe the treatment of persistent supraventricular tachycardia (SVT) in a young horse in endurance training. CASE SUMMARY: A 6-year-old Arab gelding in endurance training presented for a dysrhythmia and decreased performance. SVT was diagnosed and conversion to a normal sinus rhythm was achieved following administration of a constant rate infusion of amiodarone. However, reversion to SVT occurred shortly after initiation of ridden exercise. A second attempt to convert the dysrhythmia with amiodarone failed, but normal sinus rhythm was achieved with transvenous electrical cardioversion (TVEC)...
May 2017: Journal of Veterinary Emergency and Critical Care
https://www.readbyqxmd.com/read/28261574/persistent-and-recurrent-bacterial-bronchitis-a-paradigm-shift-in-our-understanding-of-chronic-respiratory-disease
#20
REVIEW
Alya Ishak, Mark L Everard
The recent recognition that the conducting airways are not "sterile" and that they have their own dynamic microbiome, together with the rapid advances in our understanding of microbial biofilms and their roles in the causation of respiratory diseases (such as chronic bronchitis, sinusitis, and chronic otitis media), permit us to update the "vicious circle" hypothesis of the causation of bronchiectasis. This proposes that chronic inflammation driven by persistent bacterial bronchitis (PBB) causes damage to both the epithelium, resulting in impaired mucociliary clearance, and to the airway wall, which eventually manifests as bronchiectasis...
2017: Frontiers in Pediatrics
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