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https://www.readbyqxmd.com/read/27922969/orbital-morphometry-a-computed-tomography-analysis
#1
Jaswinder Singh, Roselinda Ab Rahman, Zainul Ahmad Rajion, Johari Abdullah, Irfan Mohamad
INTRODUCTION: The human orbit is a complex anatomic region, which plays predominant role in the evaluation of craniofacial complex. A thorough understanding of the relationship of the distance from orbital rim to the important vital structures of the orbital apex is required for the surgeon to perform safe and effective surgery. OBJECTIVES: To evaluate and compare the depth and distances from various points of the orbital rim to the fissures and foramina of the orbital apex between genders in the local population...
December 5, 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/27920415/endoscopic-monopolar-cauterization-of-the-sphenopalatine-artery-a-single-surgeons-experience
#2
Haitham Odat, Mohannad Al-Qudah
BACKGROUND: Epistaxis is one of the most common otolaryngology emergency conditions, and is usually treated conservatively by different types of nasal packs. A limited number of patients continue to bleed even with tightly fitted anterior and posterior packs in the nose. Such intractable epistaxis is managed by surgery or embolization. OBJECTIVES: We reviewed the use and outcomes of endoscopic suction monopolar cauterization of the sphenopalatine artery. DESIGN: Retrospective study...
November 2016: Annals of Saudi Medicine
https://www.readbyqxmd.com/read/27917854/anatomic-variations-of-posterior-paranasal-sinuses-and-optic-nerve
#3
Alma Efendić, Edin Muharemović, Rasim Skomorac, Hakija Bečulić, Sabina Šestić, Benjamin Halilović, Mersiha Mahmić-Kaknjo
Aim To define direct anatomical relations of the sphenoidal (alae minores), ethmoidal sinuses and optic nerve, with an emphasis on determining the effect of age on pneumatisation and dehiscence. Methods This retrospective, descriptive study involved 60 consecutive patients: 30 patients younger than 30 and30 patients older than 60 years of age. All patients underwent computerized tomography(CT). The relationship of the optic nerve and the sphenoidal and ethmoidal sinuses was classified. The presence of dehiscence in the bone structures, forming the optic canal, was checked...
February 1, 2017: Medicinski Glasnik
https://www.readbyqxmd.com/read/27909626/metastasis-of-prostate-adenocarcinoma-to-the-frontal-and-ethmoid-sinus
#4
Fatih Akdemir, Mustafa Aldemir, Hasan Çakar, Gülnur Güler
Intracranial metastasis of prostate cancer is rarely seen, and there are few studies in this regard in the literature. Most of these studies in the literature comprise the metastasis of prostate cancer to the sphenoid sinus, and metastasis to the frontal and ethmoid sinus is a much rare entity. Association of visual symptoms, epistaxis, headache, and hematuria may indicate a urologic malignancy in terms of the origin of the primary tumor. This study was aimed to present the prostate cancer case of a 73-year-old patient whose paranasal sinus tomograms revealed the presence of frontal and ethmoid sinus metastasis...
December 2016: Turkish Journal of Urology
https://www.readbyqxmd.com/read/27906846/computed-tomographic-analysis-the-effects-of-frontal-recess-morphology-and-the-presence-of-anatomical-variations-on-frontal-sinus-pneumatization
#5
Nesibe Gül Yüksel Aslier, Nuri Karabay, Gülşah Zeybek, Pembe Keskinoğlu, Amaç Kiray, Semih Sütay, Mustafa Cenk Ecevit
The aim of this study is to describe the morphology of frontal recess area with its anatomical variations and to reveal if frontal recess morphology and the anatomical variations related to that region have effects on the pneumatization of the frontal sinuses. The frontal sinus and recess morphometry of 136 sides of 68 dry skulls were evaluated on multislice high-resolution computed tomography. The relationships between frontal sinus and frontal recess measurements were analyzed by correlation and linear regression analysis...
November 30, 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/27891688/possible-role-of-calcitonin-gene-related-peptide-in-trigeminal-modulation-of-glomerular-microcircuits-of-the-rodent-olfactory-bulb
#6
Federica Genovese, Hanke Gwendolyn Bauersachs, Ines Gräßer, Janina Kupke, Laila Magin, Philipp Daiber, Julika Nakajima, Frank Möhrlen, Karl Messlinger, Stephan Frings
Chemosensation in the mammalian nose comprises detection of odorants, irritants and pheromones. While the traditional view assigned one distinct sub-system to each stimulus type, recent research has produced a more complex picture. Odorants are not only detected by olfactory sensory neurons but also by the trigeminal system. Irritants, in turn, may have a distinct odor, and some pheromones are detected by the olfactory epithelium. Moreover, it is well established that irritants change odor perception and vice versa...
November 27, 2016: European Journal of Neuroscience
https://www.readbyqxmd.com/read/27886977/can-submandibular-tracheal-intubation-be-an-alternative-to-tracheotomy-during-surgery-for-major-maxillofacial-fractures
#7
Ahmed Gaber Hassanein, Ahmed M A Abdel Mabood
PURPOSE: During surgery for major maxillofacial fractures, orotracheal intubation can interfere with some surgical procedures and nasal intubation can be contraindicated or impossible. That is why tracheotomy is presented as a solution, although it carries a relatively high incidence of complications. In this study, the use of submandibular tracheal intubation is basically evaluated as an alternative to tracheotomy in such circumstances. MATERIALS AND METHODS: This prospective study was performed in patients undergoing surgery for major maxillofacial fractures in which oral intubation and/or nasal intubation have been unsuitable, impossible, or contraindicated...
November 2, 2016: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/27879191/replacement-of-sfc-dpi-with-sfc-mdi-exhaled-through-the-nose-improved-eosinophilic-chronic-rhinosinusitis-with-bronchial-asthma%C3%A2
#8
Yoshiki Kobayashi, Mikiya Asako, Takahisa Yamamoto, Hirotaka Yasuba, Koichi Tomoda, Akira Kanda
OBJECTIVE: Eosinophilic chronic rhinosinusitis (ECRS), a subgroup of chronic rhinosinusitis with nasal polyps, is a refractory disease closely associated with bronchial asthma. We recently reported on the efficacy of ultra-fine particle inhaled corticosteroids (ICS) (hydrofluoroalkane-134a-beclomethasone dipropionate: HFA-BDP) exhalation through the nose (ETN) treatment for mild-to-moderate asthmatics with ECRS. However, the effect of HFA-BDP ETN was found to be transient in some cases with severe ECRS and asthma, requiring treatment with higher-dose ICS and long-acting β2-agonists (LABA)...
November 23, 2016: International Journal of Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/27866322/rare-case-of-an-ancient-craniofacial-osteosarcoma-with-probable-surgical-intervention
#9
Erika Molnár, Michael Schultz, Tyede H Schmidt-Schultz, Antónia Marcsik, Krisztina Buczkó, Péter Zádori, Gergely Biró, Zsolt Bernert, Daniel Baumhoer, Tamás Hajdu
Osteosarcoma is the most common primary malignant bone tumor both today and in antiquity. Nevertheless, it is a comparatively rare tumor. This paper describes a case of a highly aggressive craniofacial lesion from the 11th-12th centuries AD, most likely representing osteosarcoma. During the paleopathological study, macroscopic, endoscopic, radiological, scanning-electron and light microscopic investigations were performed. The skull of the approximately 40-50 year-old female revealed several pathological findings...
November 19, 2016: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/27863637/nasal-septal-abscess-in-association-with-pediatric-acute-rhinosinusitis
#10
REVIEW
Duc A Tien, Paul Krakovitz, Samantha Anne
INTRODUCTION: Nasal septal abscess (NSA) in the pediatric population is rare and can result in devastating complications. Objective of this study is to review a case series of pediatric patients presenting with NSA in association with acute rhinosinusitis (ARS) for possible risk factors and predisposing conditions. METHOD: This is a retrospective review of pediatric patients that presented to a tertiary care hospital with nasal septal abscess associated with ARS...
December 2016: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/27857868/surgical-anatomy-of-the-medial-wall-of-the-orbit-in-14-human-cadavers
#11
Juan R Gras-Cabrerizo, Maria Martel-Martin, Jacinto Garcia-Lorenzo, Fernando Rodríguez-Álvarez, Joan R Montserrat-Gili, Rosa Mirapeix-Lucas, Humbert Massegur-Solench
Objective The aim of our study is to present the anatomical landmarks to perform an endoscopic endonasal approach to the medial wall of the orbit (EEAMO). Material and Methods We performed 14 complete nasal and orbital endoscopic dissections in 7 adult cadaveric heads. Results The EEAMO provides a surgical corridor between the medial rectus muscle superiorly and the inferior rectus muscle inferiorly .The mean distance between the ethmoidal crest and medial rectus muscle was 1.5 cm (range, 1.3-1.9 cm)...
December 2016: Journal of Neurological Surgery. Part B, Skull Base
https://www.readbyqxmd.com/read/27853012/outcomes-of-endoscopic-dacryocystorhinostomy-experience-of-a-fellowship-trainee-at-a-tertiary-care-center
#12
Saurabh Kamal, Mohammad Javed Ali, Akshay Gopinathan Nair
AIM: The study aims to report a single trainee's experience of learning and performing endoscopic endonasal dacryocystorhinostomy (En-DCR). SETTINGS AND DESIGN: This study was a retrospective, interventional case series. SUBJECTS AND METHODS: Fifty-four eyes of fifty patients presenting at a tertiary eye care center over 1 year were included in the study. All cases underwent endoscopic DCR with mitomycin-C and silicone intubation. The parameters studied included demographics, clinical features, intraoperative details, and postoperative ostium evaluation...
September 2016: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/27833887/endoscopic-management-of-congenital-intranasal-meningocele-in-3-month-old-infant
#13
Gaurav Khandelwal, Manoj Sharma, Priyanka Gupta
Fronto-ethmoidal meningocoele is a rare congenital condition with protrusion of meninges through anterior cranial fossa into the facial skeleton, surgical repair should be done in order to resolve nasal obstruction, provide a watertight division between sino-nasal and intra-cranial cavities and minimise injury to any CNS contents (Maddalozzo in Issue Otolaryngol Clin N Am 2015). Open approaches may be required but endoscopic endo-nasal repairs can be done in paediatric skull-base defects. A 3 month-old infant with fronto-ethmoidal meningocele operated with endo-nasal approach...
December 2016: Indian Journal of Otolaryngology and Head and Neck Surgery
https://www.readbyqxmd.com/read/27833869/role-of-anatomic-variations-of-uncinate-process-in-frontal-sinusitis
#14
Mohit Srivastava, Sushant Tyagi
The osteomeatal complex plays an important role in the development of Chronic rhinosinusitis. The ethmoidal infundibulum is bordered medially by the uncinate process, and the anatomic relationship between the ethmoidal infundibulum and the frontal recess may depend upon the types of attachment of the uncinate process. The osteomeatal complex is the main area targeted in chronic rhinosinusitis and within it uncinate process is the first anatomical structure encountered. The aim of this study was to evaluate the types of attachment of the uncinate process and its implications in the development of sinus inflammation...
December 2016: Indian Journal of Otolaryngology and Head and Neck Surgery
https://www.readbyqxmd.com/read/27816363/patterns-of-primary-tumor-invasion-and-regional-lymph-node-spread-based-on-magnetic-resonance-imaging-in-early-stage-nasal-nk-t-cell-lymphoma-implications-for-clinical-target-volume-definition-and-prognostic-significance
#15
Run-Ye Wu, Kang Liu, Wei-Hu Wang, Jing Jin, Yong-Wen Song, Shu-Lian Wang, Yue-Ping Liu, Hua Ren, Hui Fang, Qing-Feng Liu, Yong Yang, Bo Chen, Shu-Nan Qi, Ning-Ning Lu, Yu Tang, Yuan Tang, Ning Li, Han Ouyang, Ye-Xiong Li
PURPOSE: This study aimed to determine the pathways of primary tumor invasion (PTI) and regional lymph node (LN) spread based on magnetic resonance imaging (MRI) in early-stage nasal NK/T-cell lymphoma (NKTCL), to improve clinical target volume (CTV) delineation and evaluate the prognostic value of locoregional extension patterns. METHODS AND MATERIALS: A total of 105 patients with newly diagnosed early-stage nasal NKTCL who underwent pretreatment MRI were retrospectively reviewed...
September 17, 2016: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/27810560/intranasal-delivery-of-ciprofloxacin-to-rats-a-topical-approach-using-a-thermoreversible-in-situ-gel
#16
Joana Sousa, Gilberto Alves, Paula Oliveira, Ana Fortuna, Amílcar Falcão
Intranasal administration of antibiotics is an alternative and attractive delivery approach in the treatment of local infections such as chronic rhinosinusitis. This topical route has the advantage of delivering high drug concentrations directly to the site of infection when trying to eradicate the highly resistant bacterial biofilms. The purpose of this study was to assess and compare the pharmacokinetic parameters of ciprofloxacin following intranasal and intravenous administrations to rats in plasma, olfactory bulb and nasal mucosa of two different nasal regions...
November 1, 2016: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/27774925/improving-paranasal-sinus-computed-tomography-reporting-prior-to-functional-endoscopic-sinus-surgery-an-ent-uk-panel-perspective
#17
S G Mistry, D R Strachan, E L Loney
BACKGROUND: Functional endoscopic sinus surgery is recognised to have a significant complication profile (e.g. blindness, cerebrospinal fluid leak and intracranial sepsis). Pre-operative computed tomography imaging is considered mandatory for surgical planning to reduce intra-operative risk. A radiological report is the 'gold standard' in image interpretation; however, because of a lack of otolaryngological or radiological guidance, its contents may be variable. By surveying practising otolaryngologists, this study aimed to provide some guidance which may be used by radiologists to produce more surgically relevant radiological reports...
October 2016: Journal of Laryngology and Otology
https://www.readbyqxmd.com/read/27769723/an-extended-transcaruncular-approach-for-naso-orbito-ethmoid-and-le-fort-ii-fracture-repair
#18
Atsushi Imaizumi, Kunihiro Ishida, Osamu Nishizeki
BACKGROUND: Recent advancements in computed tomography have enabled the diagnosis of naso-orbito-ethmoid (NOE) fractures to be made in much greater detail. Surgical access to the upper nasofrontal buttress in NOE fractures, however, has remained unchanged over the past decades. All approaches to these fractures using skin incisions have individual drawbacks. The transcaruncular approach is free of the drawbacks of the cutaneous approaches. We further extended the transcaruncular approach for the treatment of NOE and Le Fort II fractures...
September 23, 2016: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/27765622/guidelines-of-the-french-society-of-otorhinolaryngology-sforl-second-line-treatment-of-epistaxis-in-adults
#19
B Verillaud, L Robard, J Michel, V Pruliere Escabasse, E Béquignon, L Crampette, O Malard
OBJECTIVES: The authors present the guidelines of the French Oto-Rhino-Laryngology - Head and Neck Surgery Society (Société Française d'Oto-Rhino-Laryngologie et de Chirurgie de la Face et du Cou: SFORL) on second-line treatment of epistaxis in adults, after failure of anterior and/or anterior-posterior nasal packing. METHODS: A multidisciplinary work group was entrusted with a review of the scientific literature on the above topic. Guidelines were drawn up, based on the articles retrieved and the group members' individual experience...
October 17, 2016: European Annals of Otorhinolaryngology, Head and Neck Diseases
https://www.readbyqxmd.com/read/27760971/-metastatic-renal-cell-carcinoma-in-paranasal-sinus-for-which-periodic-drug-withdrawal-schedule-of-axitinib-was-effective-a-case-report
#20
Yuichi Arai, Keiichi Ito, Kazuyoshi Tachi, Akio Koga, Yusuke Shinchi, Ayako Masunaga, Makoto Isono, Tomohiko Asano
A 73-year-old male patient underwent a right nephrectomy for renal cell carcinoma in 2008, and interferon-alpha was initiated as adjuvant treatment. Computed tomography (CT) scans showed lymphadenopathy above the left diaphragm, and treatment with interferon-2 was subsequently initiated in 2009. Nasal bleeding manifested in February 2010, and CT scans showed a soft-tissue density mass mainly located in the ethmoid sinus. A biopsy of the lesion was performed, and metastatic renal cell carcinoma was diagnosed...
September 2016: Hinyokika Kiyo. Acta Urologica Japonica
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