scholarly journals Comparative Study of Clinical Manifestation, Plain Film Radiography and Computed Tomography for Diagnosis of Maxillofacial Trauma

2015 ◽  
Vol 05 (04) ◽  
pp. 47-49
Author(s):  
Amit Goel
Keyword(s):  
Computed Tomography ◽  
Comparative Study ◽  
Clinical Manifestation ◽  
Plain Film ◽  
Maxillofacial Trauma ◽  
Plain Film Radiography

Cone Beam Computed Tomography (CBCT) in General Dental Practice

2018 ◽  
Vol 7 (1) ◽  
pp. 26-30
Author(s):  
Nicholas Drage
Keyword(s):  
Computed Tomography ◽  
Cone Beam Computed Tomography ◽  
Selection Criteria ◽  
Diagnostic Yield ◽  
Plain Film ◽  
Cone Beam ◽  
Dental Practice ◽  
Factors Affecting ◽  
General Dental Practice ◽  
Plain Film Radiography

Cone beam computed tomography (CBCT) can be a useful adjunct to conventional plain film radiography, but its use must be carefully justified as the radiation dose is generally higher. Factors affecting the dose include the field of view (FOV) size, the exposure factors, the angle of rotation and voxel size. Once justified, the exposure should be fully optimised to ensure the dose to the patient is kept as low as possible while ensuring there is no reduction in the diagnostic yield. The European Commission (EC) and the Faculty of General Dental Practice (FGDP)(UK) have published selection criteria on the use of CBCT in dentistry. This article provides an overview of CBCT and summarises the latest guidance on selection criteria relevant to the general dental practitioner.

Precurved Cochlear Implants and Tip Foldover: A Cadaveric Imaging Study

2017 ◽  
Vol 158 (2) ◽  
pp. 343-349 ◽  
Author(s):  
Danielle R. Trakimas ◽  
Elliott D. Kozin ◽  
Iman Ghanad ◽  
Sam R. Barber ◽  
Hugh Curtin ◽  
...  
Keyword(s):  
Computed Tomography ◽  
High Resolution ◽  
Cochlear Implants ◽  
Electrode Array ◽  
Imaging Study ◽  
Plain Film ◽  
Plain Radiography ◽  
Electrode Placement ◽  
High Resolution Computed Tomography ◽  
Plain Film Radiography

Objective This study aims to define a reliable protocol for radiographic identification of placement and tip foldover of newly designed precurved and straight electrodes. Study Design Prospective imaging study. Setting Academic institution. Methods Three models of cochlear implants (Cochlear, MED-EL, and Advanced Bionics) were inserted into fresh cadaveric specimens (n = 2) in 3 configurations (normal positioning in the scala tympani, intracochlear tip foldover, and placement into the vestibular system) for a total of 9 implant scenarios. Specimens were imaged with plain radiography in Stenvers projection, as well as by high-resolution computed tomography. Results Electrode placement and presence or absence of electrode tip foldover were easily identified in all 9 scenarios on plain radiography based on the described technique. Each was confirmed with high-resolution computed tomography. Plain film temporal bone images of new electrode designs with proper and improper placement are provided for reference. Conclusion A defined protocol for intraoperative plain film radiography allowed for reliable imaging of 3 newly designed cochlear implant electrodes and immediate identification of extracochlear placement and tip foldover. Findings may be used for intraoperative confirmation of electrode array placement.

scholarly journals A case report on the importance of imaging in the diagnosis of Lipofibromatous Hamartoma of the median nerve

2020 ◽  
Vol 2 (2) ◽  
pp. 127-130
Author(s):  
Luis Adiel Medrano-Danes ◽  
◽  
Francisco Rafael Espinosa-Leal ◽  
Roberto Ceniceros-Marrufo ◽  
Edelmiro Pérez-Rodríguez ◽  
...  
Keyword(s):  
Computed Tomography ◽  
Case Report ◽  
Surgical Treatment ◽  
Magnetic Resonance ◽  
Median Nerve ◽  
Plain Film ◽  
Surgical Biopsy ◽  
Plain Film Radiography ◽  
Lipofibromatous Hamartoma ◽  
Low Incidence

This case report presents a lipofibromatous hamartoma of the median nerve in a 31-year-old man who presents local deformity and a sensory deficit in the nerve territory. The tumor was evaluated with magnetic resonance, computed tomography, and plain film radiography, studying the pathognomonic findings of this tumor. The patient did not want surgical treatment because of prior surgical sequelae. A prior surgical biopsy was reported as a peripheral nerve with normal axonal fascicles surrounded by abundant fibroadipose tissue. This tumor has a low incidence with less than 180 cases reported in the literature.

scholarly journals Spontaneous uretero-sigmoid fistula secondary to calculus

2016 ◽  
Vol 10 (11-12) ◽  
pp. 401
Author(s):  
Ines Marzouk ◽  
Makram Moussa ◽  
Lotfi Saadallah ◽  
Sami Bouchoucha ◽  
Lotfi Hendaoui
Keyword(s):  
Computed Tomography ◽  
Back Pain ◽  
Surgical Treatment ◽  
Colorectal Anastomosis ◽  
Plain Film ◽  
Postoperative Course ◽  
Plain Film Radiography ◽  
History Of

A 25-year-old man was referred to the urology department after a subacute history of left back pain, burning micturition associated with pneumaturia and fecaluria. Ultrasonography was performed showing hydronephrosis, and plain film radiography demonstrated a long vertical left pelvic calculi. Uro-computed tomography (CT) combined with a water enema CT showed a 10 cm long calculus with the cranial extremity fistulating the sigmoidal wall. Surgical treatment included left nephroureterectomy and sigmoidectomy with a colorectal anastomosis. Postoperative course was uneventful.

Comparison of Sagittal Computed Tomography and Plain Film Radiography in a Scaphoid Fracture Model

2005 ◽  
Vol 30 (3) ◽  
pp. 534-542 ◽  
Author(s):  
Clare L.F. Temple ◽  
Douglas C. Ross ◽  
John D. Bennett ◽  
Greg J. Garvin ◽  
Graham J.W. King ◽  
...  
Keyword(s):  
Computed Tomography ◽  
Scaphoid Fracture ◽  
Plain Film ◽  
Fracture Model ◽  
Plain Film Radiography

Bilateral spontaneous avascular necrosis of the navicular. Case presentation with comparative imaging

1998 ◽  
Vol 88 (1) ◽  
pp. 41-44 ◽  
Author(s):  
SF Boc ◽  
G Feldman
Keyword(s):  
Magnetic Resonance Imaging ◽  
Computed Tomography ◽  
Magnetic Resonance ◽  
Medical History ◽  
Plain Film ◽  
Resonance Imaging ◽  
Apparent Lack ◽  
Case Presentation ◽  
Plain Film Radiography ◽  
Detailed Picture

It is unusual to find such extensive deformity of the navicular in a bilateral and symmetrical fashion. The apparent lack of significant trauma coupled with the patient's unremarkable medical history led the authors to an exclusionary diagnosis of spontaneous osteonecrosis. While changes are clearly evident on plain film radiography, computed tomography and magnetic resonance imaging provide the clinician with a more detailed picture of the extent of destruction.

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