297 results
Article
Infectious myositis
Infectious myositis is an infection of skeletal muscle, and can be acute, subacute, or chronic. Pyomyositis refers specifically to a bacterial infection of skeletal muscle.
Epidemiology
It is most often seen in young adults. Pyomyositis, or bacterial myositis, was once considered a tropical d...
Article
Foot x-ray (summary)
This is a basic article for medical students and other non-radiologists
A foot x-ray, also known as foot series or foot radiograph, is a set of two x-rays of the foot. It is performed to look for evidence of injury (or pathology) affecting the foot, often after trauma.
Reference article
This ...
Article
Pediatric hand (oblique view)
The oblique hand view for pediatrics is part of a two view series examining the phalanges, metacarpals, carpal bones and distal radioulnar joint.
Indications
This view is useful in assessing suspected dislocations or fractures, localizing foreign bodies or evaluating juvenile idiopathic/rheuma...
Article
CT foot (protocol)
The CT foot protocol serves as an examination for the bony assessment of the fore and mid-foot and is almost always performed as a non-contrast study. It can also be combined with a CT ankle protocol or can be acquired as dual-energy CT depending on the clinical question.
Note: This article aim...
Article
Pediatric forearm (lateral view)
The lateral forearm view for pediatrics is one of two standard projections in the forearm series to assess the radius and ulna.
Indications
This view allows for the assessment of suspected dislocations or fractures and localizing foreign bodies within the forearm.
However, this view should no...
Article
Tibia and fibula series
The tibia/fibula is comprised of an anteroposterior (AP), and lateral radiograph. The series is often used in emergency departments to evaluate the entirety of the tibia and fibula after trauma.
Indications
The tibia/fibula radiographs are performed for a variety of indications including:
tr...
Article
Complications of spinal surgery
Complications of spinal surgery are common and can occur at different time intervals after the surgery. Some of them are related to instrumentation, the procedure and/or the approach others are not. Anyhow, it is essential for the radiologist to be aware of them in the assessment of radiographs,...
Article
Implant migration
Implant migration or hardware migration refers to the displacement of an implant or component away from its designated position and is associated with hardware failure and loosening. Examples of implant migration include screw break out or screw back out, cage extrusion, inlay extrusion, choledo...
Article
Episternal ossicles
Episternal (or suprasternal) ossicles are accessory bones and a normal variant of the sternum. They result from supernumerary ossification centers and are seen in ~4% (range 1-7%) of the population.
Gross anatomy
Episternal ossicles are usually located posterior or superior to the superior bor...
Article
CT hand and wrist (protocol)
The CT hand and wrist protocol serves as an examination for the bony assessment of the wrist and is often performed as a non-contrast study and less often as a contrast-enhanced study. A CT wrist can be also conducted as a CT arthrogram for the evaluation of ligamentous injuries and the triangul...
Article
Metallosis
Metallosis denotes the tissue deposition of metallic debris as a result of wear. It is a complication that most commonly occurs following a total joint replacement.
Terminology
Metallosis is sometimes used as a synonym for the umbrella term adverse reaction to metal debris 4. However, the natu...
Article
Differential diagnosis for metatarsal region pain
Forefoot pain in the metatarsal region is a common complaint and may be caused by a number of conditions. It is worthwhile for a radiologist to have knowledge of the potential causes and their imaging features 1.
Pathology
Etiology
Trauma
turf toe
plantar plate disruption
sesamoiditis
str...
Article
Soft tissue lesions with predominately low T1 and T2 signal (differential)
Soft tissue lesions with predominantly low T1 and T2 signal have a reasonably long differential, including:
Common
air/gas
densely calcified/ossified lesions
foreign body
gout
flow voids
arteriovenous fistula
aneurysm
postoperative changes
hematoma, chronic
plantar fibromatosis
teno...
Article
Radius and ulnar shaft fractures
Radius and ulnar shaft fractures, if treated inadequately, can result in significant dysfunction of the upper limb. This is due to the important role that the forearm plays in positioning of the hand through pronation and supination (at the proximal and distal radioulnar joint) as well as throug...
Article
Tibial shaft fracture
Tibial shaft fractures are the most common long bone fractures and the second most common type of open fractures (second only to open phalanx fractures) 1.
Pathology
Mechanism
Typically involve high-energy mechanisms such as road traffic accidents (incidence 43%) or sports 1. These are usua...
Article
Pediatric femur (AP view)
The anteroposterior femur view for pediatrics is part of a standard series examining the femur in its entirety, including the hip and knee joints.
Indications
This view demonstrates the pediatric femur in its natural anatomical position allowing for assessment of suspected dislocations, fractu...
Article
Pediatric femur (lateral view)
The lateral femur view for pediatrics is part of a standard series examining the femur in its entirety, including the hip and knee joint.
Indications
This view demonstrates the femur in an orthogonal position to the AP view. This allows assessment of suspected dislocations, fractures, localizi...
Article
Alban Köhler
Alban Köhler (1874-1947) was a German radiologist best known for both his work in describing avascular necrosis of the navicular (now known as Köhler disease) and the publication of ‘Roentgenology - The Borderlands of the Normal and Early Pathological in the Skiagram’ a textbook exploring anatom...
Article
Foot (medial oblique view)
The medial oblique projection is part of the three view series examining the phalanges, metatarsals and tarsal bones that make up the foot.
Indications
This view demonstrates the location and extent of fractures in the foot and joint space abnormalities. It is also used in the determination o...
Article
Pediatric elbow (AP view)
The anteroposterior elbow view for pediatrics is part of the two view elbow series, examining the distal humerus, proximal radius and ulna.
Indications
The projection demonstrates the elbow joint in its natural anatomical position allowing for adequate radiographic examination of the articula...
Unable to process the form. Check for errors and try again.