Results 81 to 90 of about 65,953 (309)

Ivory Osteoma Of Temporal Bone [PDF]

open access: yes, 2006
Osteomas are slow growing bony tumors common in fronto-ethmoid regions and rare in temporal bone. These are usually asymptomatic and require treatment mainly for cosmetic reasons.
Meher, Dr. Ravi
core   +1 more source

New and little-known Cheilostomata (Bryozoa, Gymnolaemata) from the NE Atlantic [PDF]

open access: yes, 2013
Based on newly designated type material, four poorly known NE Atlantic cheilostome bryozoan species are redescribed and imaged: Cellaria harmelini d’Hondt from the northern Bay of Biscay, Hippomenella mucronelliformis (Waters) from Madeira, Myriapora ...
Berning, Björn
core   +3 more sources

Excessive Ostial Stent Protrusion: Evaluation of Management Strategies and Clinical Outcomes of the Side Flap Technique

open access: yesCatheterization and Cardiovascular Interventions, EarlyView.
ABSTRACT Backgrounds Accurate stent positioning in aorto‐ostial lesions remains challenging due to complex three‐dimensional anatomy, lack of optimal fluoroscopic projections, and high rates of geographic miss. Stent overhang impairs guide catheter re‐engagement and complicates future revascularization.
Gregor Leibundgut   +7 more
wiley   +1 more source

Optimum imaging for inverted papilloma [PDF]

open access: yes, 2000
Inverted papilloma is the most common benign tumour of the nose and paranasal sinuses, and usually arises in the lateral wall of the nasal cavity and the middle meatus.
Howard, D, Lloyd, G, Lund, VJ, Savy, L
core   +1 more source

Malposition of a Port Catheter in the Azygos Vein: Endovascular Repositioning Using a Long Loop Snare Technique

open access: yesCatheterization and Cardiovascular Interventions, EarlyView.
ABSTRACT Port catheters provide a reliable, long‐term venous access option in children for repeated administration of medications or parenteral nutrition. A cardiac catheterization procedure was performed in a 7‐year‐old girl in whom lateral chest radiography revealed posterior deviation suggestive of azygos vein malposition.
Axel Rentzsch   +3 more
wiley   +1 more source

Taxonomy of the fouling cheilostome bryozoans, Schizoporella unicornis, (Johnston) and Schizoporella errata (Waters) [PDF]

open access: yes, 2009
Figure 1. (A–D) Images of Wood's Pliocene specimen from the Coralline Crag, Suffolk (NHM B1675) described in Busk (1859). (A) Group of autozooids at growing edge of colony within small bivalve shell. (B) Autozooids exhibiting deep V-shaped sinus.
Porter, Joanne, Taylor, P D, Tompsett, S
core   +2 more sources

Frontal Sinus Anatomy Variations in Race and Sex Using the International Frontal Sinus Anatomy Classification

open access: yesEar, Nose & Throat Journal
Objective: To identify frontal sinus anatomical variations grouped by patient sex, race, and presence of chronic rhinosinusitis with frontal sinus involvement (CRFS) using the International Frontal Sinus Anatomy Classification (IFAC) system.
Lauren A. Howser MD   +4 more
doaj   +1 more source

Optimum imaging for mucoceles [PDF]

open access: yes, 2000
A mucocele is an epithelial lined mucus-containing sac completely filling a paranasal sinus and capable of expansion. They are relatively unusual, occurring most frequently in the fronto-ethmoidal region. The imaging features on plain X-ray, computerized
Howard, D, Lloyd, G, Lund, VJ, Savy, L
core   +1 more source

Novel planning pipeline utilizing the Surgical Theater system for pediatric epilepsy surgery

open access: yesEpilepsia Open, EarlyView.
Abstract Objective Advances in the analysis and collation of radiographic datasets have enhanced presurgical planning for various neurosurgical procedures, including clipping of cerebral aneurysms, surgical resection of tumors, and arteriovenous malformation management.
Lisa B. E. Shields   +4 more
wiley   +1 more source

Virtual Endoscopy and 3D Volume Rendering in the Management of Frontal Sinus Fractures [PDF]

open access: yes, 2009
Frontal sinus fractures (FSF) are commonly caused by traffic accidents, assaults, industrial accidents and gunshot wounds. Classical roentgenography has high proportion of false negative findings in cases of FSF and is not particularly useful in ...
Ivica Klapan   +2 more
core   +1 more source

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