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https://www.readbyqxmd.com/read/29026931/imaging-patterns-of-rhino-orbital-cerebral-mucormycosis-in-immunocompromised-patients-when-to-suspect-complicated-mucormycosis
#1
Peter Raab, Ludwig Sedlacek, Stefanie Buchholz, Stefan Stolle, H Lanfermann
PURPOSE: The aim of this study was to describe radiological imaging findings of a complicated sinusitis, which should raise the suspicion of rhino-orbital-cerebral mucormycosis as being the underlying cause. METHODS: In this retrospective analysis, we describe the cases and imaging findings of 8 patients with proven mucormycosis. These patients presented mostly with new facial or orbital swelling and were referred for imaging to our institution. Magnetic resonance imaging and computed tomography images were classified as abnormal or normal with respect to orbital, paranasal and cerebral signal results...
October 12, 2017: Clinical Neuroradiology
https://www.readbyqxmd.com/read/29026829/aggressive-combined-medical-and-surgical-management-of-mucormycosis-results-in-disease-eradication-in-2-pediatric-patients
#2
Haley F M Augustine, Colin White, James Bain
Rhinocerebral mucormycosis is an acute, rapidly fatal, fungal infection, classically involving the nasal mucosa and paranasal sinuses. It is an aggressive, opportunistic infection that frequently progresses to involve the orbit and cerebrum. Cerebral extension in immunocompromised patients is almost universally fatal. There are limited data on mucormycosis in pediatric immunocompromised patients in the literature, with only few reports on rhinocerebral involvement. The immunocompromised patients described in this report presented with suspected periorbital and nasal cellulitis, progressing rapidly to necrotic changes in nasal tissue and oral palatal mucosa...
August 2017: Plastic Surgery
https://www.readbyqxmd.com/read/29026224/oral-surgery-ii-part-2-the-maxillary-sinus-antrum-and-oral-surgery
#3
T Renton, J Durham, C M Hill
The maxillary sinus is the largest of the four paranasal sinuses and, being anatomically adjacent to the dentate region of the maxilla, is commonly a source of problems - not simply in terms of conditions affecting the sinus but also in establishing an accurate diagnosis. As anyone who has suffered both sinusitis and a dental abscess in the posterior maxilla will tell you, the symptoms are almost indistinguishable. For this reason, a sound understanding of the maxillary sinus is an essential requisite for all dentists...
October 13, 2017: British Dental Journal
https://www.readbyqxmd.com/read/29019028/application-of-a-full-model-based-iterative-reconstruction-mbir-in-80%C3%A2-kvp-ultra-low-dose-paranasal-sinus-ct-imaging-of-pediatric-patients
#4
Jihang Sun, Qifeng Zhang, Xiaomin Duan, Chengyue Zhang, Pengpeng Wang, Chenguang Jia, Yong Liu, Yun Peng
OBJECTIVE: To evaluate the clinical application of a full model-based iterative reconstruction (MBIR) algorithm in the ultra-low-dose paranasal sinus CT imaging of children. MATERIALS AND METHODS: In the first phase, 16 low-dose CT dacryocystography (DCG) (80 kV/64 mAs) scans were reconstructed with MBIR and filtered back-projection (FBP) to demonstrate noise reduction capability of MBIR. MBIR images were also compared with the images of 21 standard-dose paranasal sinus patients reconstructed with adaptive statistical iterative reconstruction (ASIR) algorithm...
October 10, 2017: La Radiologia Medica
https://www.readbyqxmd.com/read/29018500/computed-tomography-measurement-of-inferior-turbinate-in-asymptomatic-adult
#5
Mohammad Waheed El-Anwar, Atef A Hamed, Ghada Abdulmonaem, Ismail Elnashar, Inas M Elfiki
Introduction  The inferior turbinate (IT) is the most susceptible turbinate to enlargement causing nasal obstruction. The common belief ascribes most of the enlargement of the IT to mucosal elements. Objective  This study aimed to investigate the detailed computed tomography (CT) measurement of the IT in asymptomatic adult by determining the thickness of both the non-bony (mucosa) and bony parts and their relation to nasal air space in different related areas of the nose. Methods  We included in the study paranasal CT scans of 108 individuals (216 IT) that had no paranasal pathology...
October 2017: International Archives of Otorhinolaryngology
https://www.readbyqxmd.com/read/29018499/differentiating-benign-from-malignant-sinonasal-lesions-feasibility-of-diffusion-weighted-mri
#6
Khaled M El-Gerby, Mohammad Waheed El-Anwar
Introduction  Appearance of nasal masses on routine CT and MRI are not pathognomonic. We utilized the apparent diffusion coefficient (ADC) value obtained from diffusion weighted image (DWI) to detect the differences in the microstructures of tumor and non-tumor tissues. Objective  The objective of our study was to evaluate the diagnostic role of DWI and ADC values in differentiating between malignant and benign sinonasal lesions and its correlation with histopathological results as the reference standard...
October 2017: International Archives of Otorhinolaryngology
https://www.readbyqxmd.com/read/28992871/emergency-decompression-of-orbital-emphysema-with-elevated-intraorbital-pressure
#7
Abdul Shameer, Neelam Pushker, Gautam Lokdarshi, Shabeer Basheer, Mandeep S Bajaj
BACKGROUND: A case of orbital emphysema associated with elevated intraorbital pressure, presenting as a complication of a paranasal sinus "blow-out" fracture after trauma to the orbit and globe is presented. CASE REPORT: A 45-year-old man developed left globe rupture with orbital emphysema after blunt trauma. A large air pocket in the superior orbit with medial wall fracture and globe tenting was identified on noncontrast computed tomography. Direct needle drainage was performed using a 23-gauge needle attached to a saline-filled syringe with the plunger removed...
September 2017: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28988260/the-significance-of-computed-tomography-in-invasive-paranasal-mucormycosis
#8
G Slonimsky, E Slonimsky, A Yakirevitch, D Sagiv, S Duvdevani, Y P Talmi, M Wolf, E E Alon
INTRODUCTION: Early diagnosis of acute invasive fungal rhinosinusitis (AIFR) is crucial for patients prognosis and may reduce the extent of surgical debridement. Initial evaluation usually includes paranasal Computed Tomography (CT), with an emphasis on bony erosion which is considered a specific but insensitive radiologic sign. Most studies made no distinction between Aspergillus and Mucor species while addressing CT findings. In this study, we seek to evaluate whether bony erosion on paranasal CT is a significant and reliable finding in the initial evaluation of invasive paranasal mucormycosis...
October 8, 2017: Rhinology
https://www.readbyqxmd.com/read/28981207/medication-related-osteonecrosis-of-the-posterior-maxilla-surgical-treatment-using-a-combined-transnasal-endoscopic-and-intraoral-approach-our-experience-with-seven-consecutive-patients
#9
Pasquale Procacci, Massimo Albanese, Lorenzo Trevisiol, Vittorio Favero, Dario Bertossi, Fabio Lonardi, Antonio D'Agostino, Erminia Manfrin, Pier Francesco Nocini
Upper jaw MRONJ if not correctly treated can lead to serious complication. Upper jaw MRONJ is frequently associated with maxillary sinusitis, the disease can spread to other paranasal sinuses. Combined approach is the most reliable procedure to treat odontogenic sinusitis; although MRONJ associated sinusitis is considered odontogenic there is no report in literature describing combined approach to treat MRONJ-induced sinusitis. Buccal fat pad represents the best reconstructive option to close the bony defect...
October 5, 2017: Clinical Otolaryngology
https://www.readbyqxmd.com/read/28980597/-the-original-method-for-the-endonasal-surgical-access-to-the-maxillary-sinus-through-crista-conchalis-of-the-maxillary-bone
#10
G Yu Tsarapkin, A S Tovmasyan, К M Fedotkina, E V Gorovaya, S G Arzamazov, S A Panasov
The objective of the present work was to develop a technique for the endonasal surgical access to the maxillary sinus through crista conchalis of the maxillary bone and to evaluate the effectiveness and safety of the surgical treatment by this method. A total of 210 patients underwent the CT-assisted examination of the paranasal sinuses. The data obtained made it possible to characterize the detailed anatomical structure of crista conchalis of a maxillary bone that forms the anterior part of the medial wall of the maxillary sinus...
2017: Vestnik Otorinolaringologii
https://www.readbyqxmd.com/read/28980596/-certain-morphometric-characteristics-of-the-normal-maxillary-sinus
#11
D A Shcherbakov, A I Kryukov, V N Krasnozhen, A I Hukumatshoev, A I Karimova
Maxillary sinus is more than any other paranasal sinuses amenable to various pathological conditions that may require the surgical treatment. The objective of the present work was to study the age-related and the individual specific anatomical features of the walls of the maxillary sinus and to develop the principles of sinus surgery based on the results of the anthropometric studies. We analyzed the cone-beam CT scans obtained from 586 patients at the age varying from 5 to 60 years who were allocated to six different groups...
2017: Vestnik Otorinolaringologii
https://www.readbyqxmd.com/read/28980595/-differential-diagnostics-of-headache-associated-with-pathological-changes-in-the-nasal-cavity-and-paranasal-sinuses
#12
A I Kryukov, G Yu Tsarapkin, A S Tovmasyan, S G Arzamazov, Z O Zaoeva, A E Kishinevskii
Headache is not infrequently one of the major complaints in the patients visiting the otorhinolaryngologist's office. It was estimated to occur in 24% of the patients presenting with chronic sinusitis. The cause of headache may be pathological processes either in the nasal cavity or in the paranasal sinuses as well as a primary disorder in the nervous system. The present article is concerned with the peculiar features of rhinogenic headache and that of a different etiology. It was shown that the patients suffering from headache are in need not only of the obligatory otorhinolaryngological examination including endoscopy of the nasal cavity, X-ray study and, sometimes, specialized tests but also of neurological counseling...
2017: Vestnik Otorinolaringologii
https://www.readbyqxmd.com/read/28980594/-sintopy-of-the-distal-end-of-the-nasolacrimal-duct-detected-by-means-of-the-vector-analysis-of-the-ct-identified-anatomical-features-of-the-nasal-cavity
#13
G Yu Tsarapkin, A Yu Ivoylov, P L Chumakov, К M Fedotkina, E V Gorovaya, A V Artemieva-Karelova, E G Lapenko
The objective of the present work was to study syntopy of the distal end of the nasolacrimal duct based on the results of the vector analysis of the CT-identified anatomical features of the nasal cavity and the paranasal sinuses in 102 patients (204 nasolacrimal channels). The main criterion for inclusion in the study was the absence of traumatic injuries and inflammatory changes in the nasal cavity and the paranasal sinuses. X-ray studies of the distal end of the nasolacrimal duct (NLD), turbinate crest (crista conchalis), the edge of the nasal aperture, and the floor of the nasal cavity were carried out...
2017: Vestnik Otorinolaringologii
https://www.readbyqxmd.com/read/28980593/-cfd-simulation-of-the-air-flows-in-the-maxillary-sinus
#14
D A Shcherbakov, A I Krukov, V N Krasnozhen, Yu A Garskova, I I Saushin
This article summarizes the results of computer simulation of the air flows in the nasal cavity and the maxillary sinus by the computational fluid dynamics (CFD) method. The objective of the study was to apply the method of computational aerodynamics to simulate the air flows in the nasal cavity and the maxillary sinus under the normal conditions and after the surgical interventions on the middle nasal meatus. The normal air space of the nasal cavity and paranasal sinuses was simulated and the computer modeling of the main options for the surgical approach to the maxillary sinus through the middle nasal meatus was performed including balloon sinuplasty, functional endoscopic sinus surgery, and uncinate process mobilization...
2017: Vestnik Otorinolaringologii
https://www.readbyqxmd.com/read/28973390/association-of-krouse-classification-for-sinonasal-inverted-papilloma-with-recurrence-a-systematic-review-and-meta-analysis
#15
Quentin Lisan, Antoine Moya-Plana, Pierre Bonfils
Importance: The risk factors for the recurrence of sinonasal inverted papilloma are still unclear. Objective: To investigate the potential association between the Krouse classification and the recurrence rates of sinonasal inverted papilloma. Data Sources: The EMBASE and MEDLINE databases were searched for the period January 1, 1964, through September 30, 2016, using the following search strategy: (paranasal sinuses [Medical Subject Headings (MeSH) terms] OR sinonasal [all fields]) AND (inverted papilloma [MeSH terms] OR (inverted [all fields] AND papilloma [all fields])...
September 28, 2017: JAMA Otolaryngology—Head & Neck Surgery
https://www.readbyqxmd.com/read/28972988/orbital-complications-of-paranasal-sinusitis-in-taiwan-1988-through-2015-acute-ophthalmological-manifestations-diagnosis-and-management
#16
Yi-Sheng Chang, Po-Lin Chen, Jia-Horung Hung, Hsiao-Yen Chen, Chun-Chieh Lai, Chun-Yen Ou, Chia-Ming Chang, Chien-Kuo Wang, Hon-Chun Cheng, Sung-Huei Tseng
PURPOSE: Paranasal sinusitis is widespread and can lead to orbital complications, blindness, and death. However, the correlation between ophthalmological findings and disease staging remains unclear. This study aimed to investigate the staging, acute ophthalmological manifestations, diagnosis, management, and outcomes of orbital complications of paranasal sinusitis during a 27-year period. METHODS: We retrospectively reviewed the medical records of all patients with orbital complications of paranasal sinusitis hospitalized at the National Cheng Kung University Hospital, a medical center in Taiwan during 1988-2015...
2017: PloS One
https://www.readbyqxmd.com/read/28969156/patients-with-congenital-limb-anomaly-show-short-telomere-shutdown-of-telomerase-and-deregulated-expression-of-various-telomere-associated-proteins-in-peripheral-blood-mononuclear-cells-a-case-series
#17
Jayitri Mazumdar, Priyanka Chowdhury, Tunisha Bhattacharya, Badal Chandra Mondal, Utpal Ghosh
Congenital limb anomalies are outcome of improper bone formation during embryonic development when cells divide, differentiate with high rate. So, telomerase activity is essential to maintain telomere length for such highly dividing cells. Here, we report four cases of congenital limb anomalies with detailed structures of limbs along with other clinical manifestations of age less than two years. We compared telomere length, expression of telomerase and telomere-associated genes of Peripheral Blood Mononuclear Cells (PBMC) in patient and four age-matched normal individual...
August 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28967531/assessment-of-facial-asymmetry-before-and-after-the-surgical-repair-of-cleft-lip-in-unilateral-cleft-lip-and-palate-cases
#18
D Al-Rudainy, X Ju, F Mehendale, A Ayoub
This study was performed to assess facial asymmetry in patients with unilateral cleft lip and palate (UCLP) before and after primary lip repair. Three-dimensional facial images of 30 UCLP cases (mean age 3.7±0.8months) captured 1-2days before surgery and 4 months after surgery using stereophotogrammetry were analysed. A generic mesh - a mathematical facial mask consisting of thousands of points (vertices) - was conformed on the three-dimensional images. Average preoperative and postoperative conformed facial meshes were obtained and mirrored by reflecting on the lateral plane...
September 26, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28961444/comparative-radiologic-identification-with-standardized-single-ct-images-of-the-paranasal-sinuses-evaluation-of-inter-rater-reliability
#19
Cédric N Brun, Angi M Christensen, Milan Kravarski, Guillaume Gorincour, Wolf Schweitzer, Michael J Thali, Dominic Gascho, Gary M Hatch, Thomas D Ruder
The aim of this study was to assess the reproducibility of a standardized image for personal identification (SIPI), used in the comparative analysis of paranasal sinuses, and test the effect of inaccurate reformation of the SIPI on suitability for comparative identification. Five raters with different professional backgrounds independently reformatted SIPIs from ten post-mortem head CTs. Inter-rater, intra-rater agreement as well angular deviations between reformatted SIPI images and reference SIPI images were calculated...
September 2, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28953151/bony-changes-in-a-unilateral-maxillary-sinus-fungal-ball
#20
Young Joon Jun, Jae Min Shin, Jae Yong Lee, Byoung Joon Baek
OBJECTIVES: In the paranasal sinus fungal ball (SFB), changes that occur in the underlying bone have not been well described. Recently, bacterial coinfection has been reported in patients with paranasal SFB. We evaluated whether bone changes occur in patients with unilateral maxillary SFB, and also how bacteria in an SFB affect the bony wall of the sinus. METHODS: A retrospective study of patients with a unilateral maxillary SFB undergoing endoscopic sinus surgery was conducted from July 2009 to December 2015...
September 25, 2017: Journal of Craniofacial Surgery
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