نتایج جستجو برای: canal wall reconstruction

تعداد نتایج: 320365  

Journal: :The Laryngoscope 2016
Danielle S Hoyne Sarah E Mowry Marlan R Hansen

INTRODUCTION Paraganglioma is the most common tumor of the middle ear and jugular foramen. Surgery is the mainstay of treatment; other options include observation and stereotactic radiotherapy. The standard of care of paragangliomas involving the carotid canal is the infratemporal fossa (ITF) approach proposed by Fisch in 1977. The ITF approach provides safe access for large paraganglioma expir...

2012
Yun-Hoa Jung Kyung-Soo Nah Bong-Hae Cho

PURPOSE This study evaluated the association between cone beam computed tomography (CBCT) and panoramic radiographs in the assessment of a superimposed relationship between the mandibular canal and impacted third molars. MATERIALS AND METHODS The study samples consisted of 175 impacted third molars from 131 patients who showed a superimposed relationship between the mandibular canal and third...

Journal: :iranian journal of otorhinolaryngology 0
samad ghiasi department of otorhinolaryngology, tabriz university of medical sciences, tabriz, iran.

introduction: this study was designed to evaluate the usefulness of mastoid cavity obliteration with combined bone pâté and palva flap in the prevention of problematic mastoid cavities after canal wall down mastoidectomy.   materials and methods: in a prospective longitudinal study with a mean follow-up of 28 months conducted between 2008–2012, a series of 56 ears in 48 patients with chronic ot...

2017

Feb 7, 2017. The center of the femoral tunnel (T) from the MPFL reconstruction was. .. Anatomy and biomechanics of the medial patellofemoral ligament. in patients with acute patellar dislocations. Anatomy. The medial retinacular. 3Department of Surgery, Division of Orthopedics, Duke University Medical Center , Durham, NC in layer two are medial patellofemoral ligament (MPFL), superficial. .. mu...

Journal: :The Journal of laryngology and otology 1971
S Richards

DURING the past 20 years there have been numerous changes in our approach to mastoid surgery. New procedures have been evolved, and old ones discarded or sometimes revived. In our present state of knowledge, three principles govern our approach to surgery of chronic ear and mastoid suppuration. Firstly, all disease and especially all cholesteatoma, must be eradicated at operation. As a corollar...

Journal: :Audiology & neuro-otology 2009
Ophir Handzel Haobing Wang Jason Fiering Jeffrey T Borenstein Mark J Mescher Erin E Leary Swan Brian A Murphy Zhiqiang Chen Marcello Peppi William F Sewell Sharon G Kujawa Michael J McKenna

Temporal bone implants can be used to electrically stimulate the auditory nerve, to amplify sound, to deliver drugs to the inner ear and potentially for other future applications. The implants require storage space and access to the middle or inner ears. The most acceptable space is the cavity created by a canal wall up mastoidectomy. Detailed knowledge of the available space for implantation a...

Journal: :Investigative ophthalmology & visual science 2004
Claude F Burgoyne J Crawford Downs Anthony J Bellezza Richard T Hart

PURPOSE To introduce high-resolution, digital three-dimensional (3-D) reconstruction of the connective tissues of the optic nerve head (ONH). METHODS Trephinated ONH and peripapillary sclera from both eyes of three monkeys with early glaucoma (EG; one eye normal, one eye given laser-induced EG) were embedded in paraffin and serial sectioned at 3-mum thickness from the vitreous surface through...

Amin Rahpeyma, Saeedeh Khajehahmadi

Introduction: The horizontal bony canal in the lateral maxillary wall is the site of anastomosis between the arterial branches from the posterior superior alveolar artery (PSAa) and the infraorbital artery. This anatomic structure is known as the ‘alveolar antral artery’.   Materials and Methods: We performed a literature review. The anatomic location of the alveolar antral artery in the latera...

Journal: :AJNR. American journal of neuroradiology 2015
V Mingkwansook H D Curtin H R Kelly

BACKGROUND AND PURPOSE Middle ear surgery is often performed through the external auditory canal, and the CT appearance of the external auditory canal after transcanal middle ear surgery can mimic erosive pathology such as carcinoma, external auditory canal cholesteatoma, or necrotizing external otitis. We reviewed the CT findings in a group of patients following transcanal surgery to highlight...

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