Articles
Articles are a collaborative effort to provide a single canonical page on all topics relevant to the practice of radiology. As such, articles are written and edited by countless contributing members over a period of time. A global group of dedicated editors oversee accuracy, consulting with expert advisers, and constantly reviewing additions.
677 results found
Article
Talar dislocation
There are many types of talar dislocation given its multiple articulations:
tibiotalar dislocation
subtalar dislocation
total talar dislocation
talonavicular dislocation
Chopart fracture-dislocation
Article
Talar fractures
Talar fractures are an uncommon injury, accounting for <5% of all foot fractures. Recognition of the unique talar anatomy is important for correct diagnosis.
Pathology
Location
talar head fractures
talar neck fractures
talar body fractures
talar dome osteochondral fracture
...
Article
Anterior cruciate ligament avulsion fracture
Anterior cruciate ligament (ACL) avulsion fracture or tibial eminence avulsion fracture is a type of avulsion fracture of the knee. This typically involves separation of the tibial attachment of the ACL to variable degrees. Separation at the femoral attachment is rare 5.
Epidemiology
It is mor...
Article
Disarticulation
The term disarticulation refers to the disconnection of all or part of a limb from the body, specifically through a joint. This is in contrast to amputation, which is the disconnection or removal of the structure through a bone.
Article
Amputation (generic)
The term amputation refers to the disconnection of all or part of a limb from the body. Specifically, amputation is defined as the removal of the structure through a bone. This is in contrast to disarticulation, which is the removal of the structure through a joint.
When due to trauma, traumati...
Article
Off-ended
The term off-ended is used by some orthopedic surgeons and radiologists to describe a long bone fracture that is displaced by more than the width of the bone. An off-ended fracture is often shortened due to muscle contraction.
Article
Orbital emphysema
Orbital emphysema is the presence of gas within the orbital soft tissues. It is usually due to orbital fractures communicating with the paranasal sinuses but can be caused by penetrating trauma and infection. It is a common finding also after orbital or ocular surgery.
Location
preseptal
...
Article
Describing a fracture (an approach)
Describing a fracture is a basic requirement when making an assessment of a plain radiograph. There are many ways to approach the assessment of the radiograph; this is just one approach.
I: Describe the radiograph
What radiograph (or radiographs) are you looking at? Check the who, what, why, w...
Article
Fallen lung sign
The fallen lung sign (also known as CT fallen lung sign) describes the appearance of collapsed lung away from the mediastinum encountered with tracheobronchial injury (in particular those >2 cm away from the carina). It is helpful to look for this rare but specific sign, in cases of unexplained ...
Article
Cranioplasty
Cranioplasty is the surgical intervention to repair cranial defects, and is mostly performed after traumatic injuries. The procedure is performed using different materials and techniques, with no consensus about the best option. Methyl methacrylate is the prosthetic material most extensively use...
Article
Extracranial brain herniation
Extracranial or transcalvarial brain herniation refers to herniation of brain tissue external to the calvaria through a skull bone defect, which may be post-traumatic or post-surgical. Unlike encephaloceles, brain herniation is not surrounded by the meninges.
Craniectomy may be performed to de...
Article
Investigating head injury (summary)
This is a basic article for medical students and other non-radiologists
Investigating head injury is frequently required because head injury is common: in the US there are 1.3 million traumatic brain injuries per year 1. Causes include falls (children and the elderly), motor vehicle accidents (...
Article
Spinal wedge fracture
Spinal wedge (compression) fractures are hyperflexion injuries to the vertebral body resulting from axial loading. Most commonly affecting the anterior aspect of the vertebral body, wedge fractures are considered a single-column (i.e. stable) fracture.
Terminology
Less commonly wedge fracture...
Article
Subluxed facet joint
Subluxed facet joint is the mildest form of facet dislocation in which the ligamentous injury leads to partial uncovering of a facet joint (cf. complete uncovering in perched facet). This results in mild anterior displacement of one vertebral body on another (anterolisthesis).
Article
Allen and Ferguson classification of subaxial cervical spine injuries
Allen and Ferguson classification is used for research purposes to classify subaxial spine injuries and is based purely on the mechanism of injury and position of the neck during injury. This classification was proposed by Allen and Ferguson in 19823 and at the time of writing (July 2016) remain...
Article
Levine and Edwards classification
The Levine and Edwards classification is the most widely used classification system of hangman fractures of the C2 vertebra 3. The injury, also known as traumatic spondylolisthesis of the axis, and the amount and direction of displacement determines stability and guides treatment. The classifica...
Article
Cervical spine fracture classification systems
There are several cervical spine fracture/injury classification systems. These can be divided by site and are listed below in order of recency:
upper cervical spine (including craniocervical junction) injuries 1
AO Spine classification of upper cervical injuries
occipital condyle fractures
T...
Article
Locked facet joint
Locked facet joint is a type of facet joint dislocation that results from jumping of the inferior articular process over the superior articular process of the vertebra below and becomes locked in the position.
It can be unilateral or bilateral.
Radiographic features
Plain radiograph
The tip ...
Article
Anterior subluxation of the cervical spine
Anterior subluxation of the cervical spine, also known as hyperflexion sprain, is a ligamentous injury of the cervical spine.
Clinical presentation
Patients present with severe, focal neck pain. There may be neurological symptoms due to spinal cord injury.
Pathology
Anterior subluxation of t...
Article
Bilateral facet dislocation
A bilateral facet dislocation is an unstable flexion distraction type of dislocation of the cervical spine, often a result of buckling force. Occasionally, the bilateral facet dislocation has been named a 'doubly-locked' vertebral injury giving the impression of stability. However, due to comple...
Article
Transverse process fracture
Transverse process fractures are common sequelae of trauma, although they are considered minor and stable lumbar spine fractures. There is a strong association between transverse process fractures and other traumatic injuries.
Pathology
Transverse process fracture most commonly occurs in the u...
Article
Seatbelt syndrome
The seatbelt syndrome is the constellation of traumatic thoracic, abdominal and/or vertebral column injuries associated with three-point seatbelts 1,2:
bowel perforation
mesenteric tear
sternal fracture
lumbar spine fracture
female breast trauma
Article
Seatbelt sign (abdomen)
The seatbelt sign is both a clinical and radiological sign. It is simply the presence of ecchymosis and/or abraded skin in the distribution of a seatbelt (i.e. horizontal and/or diagonal) extending across the abdomen evident after a motor vehicle accident.
Epidemiology
A positive abdominal sea...
Article
Condylar process fractures
Condylar process fractures are fractures of the condylar process of the mandible. The condylar process of the mandible is involved in around 30% of all mandibular fractures.
Condylar fractures are classified according to the location of the fracture and the direction displacement of the condyle...
Article
Total talar dislocation
Total talar dislocation, also known as extrusion of the talus, is a tri-articular dislocation of talus at the tibiotalar, talonavicular and subtalar joints. Pantalar dislocation and luxatio tali totalis are also used as alternative terms for such a traumatic insult.7 Most injuries are compound....
Article
Deltoid ligament injury
Deltoid ligament injuries involve the deltoid ligament that forms the medial part of the ankle joint.
Pathology
Mechanism of injury
It occurs due to eversion and/or pronation injury, or can be associated with lateral ankle fractures.
The deltoid ligament is usually avulsed from its tibial at...
Article
Posterior talar process fracture
Posterior talar process fractures may involve the medial or lateral tubercle of the posterior process of the talus. The posterior talofibular ligament attaches to the lateral tubercle and flexor hallucis longus runs between these two tubercles. The unfused ossification center of the lateral tube...
Article
Talar head fracture
Talar head fractures are rare fractures that have a high frequency of co-existing foot fractures.
Epidemiology
Talar head fractures account for ~5% (range 2.6-10%) of talar fractures 4.
Pathology
Talar head fractures are almost always associated with other foot fractures, frequently with pe...
Article
Distal radioulnar joint dislocation
Isolated distal radioulnar joint (DRUJ) dislocations are rare and are more commonly part of complex forearm fracture-dislocations.
Clinical presentation
Wrist pain, swelling and deformity following FOOSH or direct trauma. The patient will be unable to supinate/pronate the forearm 1,2.
Patho...
Article
Skull fractures (summary)
This is a basic article for medical students and other non-radiologists
Skull fractures usually occur following significant head injury and may herald underlying neurological pathology.
Reference article
This is a summary article; read more in our article on skull fractures.
Summary
anatomy...
Article
Coracoid process fracture
Coracoid process fractures are an uncommon type of scapular fracture. They do not often occur in isolation and are often associated with acromial, clavicular, or other scapular fractures, as well as glenohumeral dislocation or acromioclavicular joint injury.
Epidemiology
Coracoid fractures rep...
Article
Uncal herniation
Uncal herniation is a subtype of transtentorial downward brain herniation that involves the uncus, usually related to cerebral mass effect increasing the intracranial pressure.
Clinical presentation
pupils and globe clinical features 3
initially, an ipsilateral dilated pupil that is unrespons...
Article
Costal cartilage injury
Costal cartilage injuries occur in the cartilage connecting the ribs anteriorly to the sternum. They most commonly manifest as edema and fractures with the latter being the focus of this article.
Epidemiology
There is little published data (c. 2021) on costal cartilage fractures. Most reporte...
Article
Bone bruise
Bone bruises (also known as bone contusion, trabecular microfracture) are an osseous injury that results from compression of bone structures.
Pathology
Bone bruises represent trabecular microfractures with hemorrhage and without a discrete fracture line or contour abnormality 4. They typically...
Article
Priapism
Priapism (rarely penile priapism, to differentiate from the very rare clitoral priapism) is a prolonged erection that persists beyond or is not related to sexual stimulation. Imaging, particularly Doppler ultrasound, can help distinguish between ischemic (low-flow) priapism, which is a urologic ...
Article
Bipartite scaphoid
A bipartite scaphoid is a rare example of a divided carpus. There is controversy whether this condition is congenital (i.e. normal variant) or post-traumatic. Bipartite scaphoids may be unilateral or bilateral.
Diagnosis
Diagnostic criteria have been proposed 3:
no history of traumatic injury...
Article
Goldman classification of urethral injuries
The Goldman classification of urethral injuries is a more widely accepted classification than one proposed by the American Association for the Surgery of Trauma (AAST). The Goldman classification is based on the anatomical location of the urethral injury and was initially proposed by Colapinto a...
Article
Lateral talar process fracture
Lateral talar process fractures or snowboarder fractures are talus fractures that can mimic a lateral ankle sprain. It may be an isolated fracture or occur as a component of more complex ankle fractures.
Mechanism
The fracture occurs when the foot is dorsiflexed and inverted, as can happen wit...
Article
Urethral injury
Urethral injuries can result in long-term morbidity and most commonly result from trauma. The male urethra is much more commonly injured than the female urethra and is the focus of this article.
Clinical presentation
In the setting of trauma, the classic triad of blood of the external urethral...
Article
Pipkin femoral head fracture classification
Pipkin classification is the most commonly used classification for femoral head fractures, which are uncommon but are associated with hip dislocations.
Classification
type I: fracture inferior to the fovea capitis, a small fracture not involving the weightbearing surface
type II: fracture ext...
Article
Facial fractures
Facial fractures are commonly caused by blunt or penetrating trauma at moderate or high levels of force. Such injuries may be sustained during a fall, physical assault, motor vehicle collision, or gunshot wound. The facial bones are thin and relatively fragile, making them susceptible to injury....
Article
Naso-orbitoethmoid (NOE) complex fracture
Naso-orbitoethmoid (NOE) fractures (also known as orbitoethmoid or nasoethmoidal complex fractures) are fractures which involve the central upper midface.
Pathology
Naso-orbitoethmoid fractures are caused by a high-impact force applied anteriorly to the nose and transmitted posteriorly through...
Article
Rib fractures
Rib fractures are a common consequence of trauma and can cause life-threatening complications.
Epidemiology
Associations
Rib fractures are often associated with other injuries and the greater the number of rib fractures the more likely are associated injuries 1,3:
brachial plexus or subclavi...
Article
Thoracolumbar injury classification and severity score (TLICS)
The thoracolumbar injury classification and severity score (TLICS), also sometimes known as the thoracolumbar injury severity score (TISS), was developed by the Spine Trauma Group in 2005 to overcome some of the perceived difficulties regarding the use of other thoracolumbar spinal fracture clas...
Article
Apophyseal avulsion fractures of the pelvis and hip
Apophyseal avulsion fractures of the pelvis and hip are relatively common among physically active adolescents and young adults.
Epidemiology
Pelvic and hip apophyseal injuries typically occur in the 14 to 25 year age range.
Mechanism
Kicking sports, such as soccer, and gymnastics are frequen...
Article
Trochanteric fracture
A trochanteric fracture is a fracture involving the greater and/or lesser trochanters of the femur.
Classification
Fractures in these regions can be classified as:
intertrochanteric fracture
pertrochanteric: intertrochanteric, involving both trochanters
subtrochanteric fracture
...
Article
Subcapital fracture
Subcapital fracture is the most common type of intracapsular neck of femur fracture. The fracture line extends through the junction of the head and neck of femur.
Classification
Although many classifications are proposed Garden classification and Pauwel classification are generally followed fr...
Article
Depressed skull fracture
Depressed skull fractures result in the bone of the skull vault being folded (depressed) inward into the cerebral parenchyma. It is usually the result of a high energy impact to the skull.
Pathology
These mostly (~75%) occur in the frontoparietal region 3.
Associations
There are a number of ...
Article
Aubergine sign (penis)
The aubergine sign (also known as egg-plant sign or deformity) is a clinical sign of a fractured penis. Hemorrhage beyond the tunica albuginea produces swelling and bruising of the penis simulating the appearance of an aubergine.
Article
Ureteric injury
Ureteric injury is a relatively uncommon, but severe event, which may result in serious complications as a diagnosis is often delayed.
Clinical presentation
Ureteric injuries unreliably demonstrate macro- or microscopic hematuria as it may be absent in up to 25% of patients 5, 6. Classic clin...
Article
Pisiform fracture
Pisiform fractures are an uncommon fracture of the carpal bones.
Epidemiology
They are only thought to account for ~1-2% of all carpal fractures. Some older sources suggest that they are rarer than this but consensus seems to be that trapezoid fractures are the rarest 6.
Approximately 50% occ...
Article
Pelvic bucket handle fracture
Bucket handle fractures of the pelvis are a result of anteroposterior compression energy vectors. It is described as a vertically-oriented fracture through ipsilateral superior and inferior pubic rami with contralateral sacroiliac joint disruption/dislocation 1, 2.
See also
pelvic fractures
b...
Article
Bucket handle appearance (disambiguation)
Bucket handle appearance is used in imaging to refer to several different entities:
bucket handle fracture - non-accidental injury
bucket handle fracture of the pelvis
bucket handle meniscal tear
bucket handle mesenteric injury
Article
Hip dislocation
Hip dislocation is a relatively rare entity and may be congenital or acquired.
Epidemiology
Hip dislocations account for ~5% of all dislocations 3.
Pathology
There are numerous patterns of dislocation 1:
posterior hip dislocation (most common ~85%)
anterior hip dislocation (~10%)
inferio...
Article
Complete fracture
Complete fractures are fractures where the parts of the bone that have been fractured are completely separated from each other. There is complete separation of the cortex circumferentially.
Complete fractures can be classified as:
transverse: straight across the bone
oblique: oblique line acr...
Article
Piedmont fracture
Piedmont fractures have been variably defined in the literature. Many suggest that Piedmont fractures are synonymous with Galeazzi fractures. That is a fracture of the radius at the middle and distal third with associated disruption of the distal radioulnar joint.
The initial report about the s...
Article
Proximal femoral fractures
Proximal femoral fractures are a subset of fractures that occur in the hip region. They tend to occur in older patients, and in those who have osteoporosis. In this group of patients, the fracture is usually the result of low-impact trauma although, in younger patients they are usually victims o...
Article
Aortic pseudoaneurysm
Aortic pseudoaneurysm typically occurs as a result of trauma +/- intervention, and is considered a subset of traumatic aortic injury in the majority of cases. They can be acute or chronic.
Pathology
Aortic pseudoaneurysms are contained ruptures of the aorta in which the majority of the aortic ...
Article
Fracture-a-la-signature (skull fracture)
Fracture-a-la-signature (or signature fracture) is another term used to described a depressed skull fracture.
Fracture-a-la-signature derives its name from forensic medicine because the size and shape of a depressed skull fracture may give information on the type of weapon used. It can be a si...
Article
Sternal fracture
Sternal fractures occur in ~5% of blunt chest trauma with the manubrium being the most commonly injured part.
Epidemiology
Fractures of the sternum are seen in between 3-6.8% of all motor vehicle collisions 1.
Cardiopulmonary resuscitation (CPR) often results in sternal fractures, one autopsy...
Article
Trimalleolar fracture
Trimalleolar fractures refer to a three-part fracture of the ankle. The fractures involve the medial malleolus, the posterior aspect of the tibial plafond (referred to as the posterior malleolus) and the lateral malleolus. Having three parts, this is a more unstable fracture and may be associate...
Article
Splenic pseudocyst
Splenic pseudocysts, also known as secondary splenic cysts, are acquired cystic lesions not delineated by a true epithelial wall. They represent the majority of the splenic cystic lesions, corresponding to approximately 80% of them (cf. splenic epithelial cysts). The main causes are:
sple...
Article
Lateral patellar dislocation
Lateral patellar dislocation refers to lateral displacement followed by dislocation of the patella due to disruptive changes to the medial patellar retinaculum.
Epidemiology
Patellar dislocation accounts for ~3% of all knee injuries and is commonly seen in those individuals who participate in ...
Article
Sanders CT classification of calcaneal fracture
The Sanders classification system is used to assess intraarticular calcaneal fractures, which are those involving the posterior facet of the calcaneus. This classification is based on the number of intraarticular fracture lines and their location on semicoronal CT images. This classification is ...
Article
Ping pong skull fracture
Ping pong skull fracture or pond skull fracture refers to a depressed skull fracture of the infant skull caused by inner buckling of the calvarium. It is seen in newborns because of the soft and resilient nature of their bones (like greenstick fractures of long bones) and the fracture line is no...
Article
Pancreatic trauma
The pancreas is uncommonly injured in blunt trauma. However, pancreatic trauma has a high morbidity and mortality rate.
Epidemiology
The pancreas is injured in ~7.5% (range 2-13%) of blunt trauma cases 1,3,7. Motor vehicle accidents account for the vast majority of cases. Penetrating trauma co...
Article
Isolated free fluid in trauma
Isolated free fluid in trauma may or may not represent a significant injury, and this creates a diagnostic dilemma in determining appropriate treatment for these patients.
Epidemiology
The presence of isolated free fluid in trauma occurs in 3-5% of blunt trauma patients 1-4.
Pathology
The c...
Article
Bowel and mesenteric trauma
Bowel and mesenteric trauma can result from blunt force, penetrating and iatrogenic trauma.
Epidemiology
The bowel and mesentery are injured in ~2.5% (range 0.3-5%) of blunt force abdominal trauma 1,3,5,8. However not surprisingly, bowel and mesenteric injuries are more frequent after penetrat...
Article
Adrenal gland trauma
Adrenal gland trauma most commonly results from blunt force trauma.
Epidemiology
Adrenal gland trauma is present on 1-2% of CT imaging in blunt trauma although the occurrence is thought to be much higher as injury has been demonstrated at 28% in one autopsy series 1-4.
The right adrenal glan...
Article
Splenic trauma
Splenic trauma can occur after blunt or penetrating trauma or secondary to medical intervention (i.e. iatrogenic). The spleen is the most frequently injured internal organ after blunt trauma.
Epidemiology
In blunt trauma, the spleen can account for up to 49% of abdominal organ injuries 2.
Cli...
Article
Focused Assessment with Sonography for Trauma (FAST) scan
Focused Assessment with Sonography for Trauma (FAST) scan is a point-of-care ultrasound (POCUS) examination performed at the time of presentation of a trauma patient.
It is invariably performed by a clinician, who should be formally trained, and is considered as an 'extension' of the trauma cl...
Article
Liver trauma
The liver is one of the most frequently damaged organs in blunt trauma, and liver trauma is associated with a significant mortality rate.
Epidemiology
In blunt abdominal trauma, the liver is injured ~5% (range 1-10%) of the time 1,3.
Clinical presentation
Patients can present with right uppe...
Article
Stieda fracture
Stieda fractures refer to a bony avulsion injury of the medial collateral ligament (MCL) at the medial femoral condyle. When it fails to unite, it is known as a Pellegrini Stieda lesion.
It should not be confused with a Stieda process fracture of the talus.
Clinical presentation
Avulsion of t...
Article
Trauma in pregnancy
Trauma is a leading cause of mortality in pregnancy. Pregnancy increases the incidence and severity of abdominal trauma in females.
Epidemiology
Trauma affects up to 7% of pregnancies, and the incidence of pregnancy in level 1 trauma patients is estimated to be ~2% 1.
Pathology
Etiology
9...
Article
Scrotal hematocele
Scrotal hematoceles are collections of blood within the scrotal sac, but outside of the testis.
Pathology
A hematocele normally results from trauma to the scrotum, or on occasion following surgery. Some think that a varicocele is a risk factor for developing a hematocele 4.
Radiographic featu...
Article
Esophageal perforation
Esophageal perforation is a rare but serious medical emergency with a very high mortality rate, especially if the diagnosis is delayed.
Epidemiology
Most patients are in their sixties with a slight male predominance 5.
Clinical presentation
Esophageal rupture is iatrogenic from instrumentat...
Article
Pronator quadratus sign
The pronator quadratus sign, also known as MacEwan sign, can be an indirect sign of distal forearm trauma. It relies on displacement of the fat pad that lies superficial to the pronator quadratus muscle as seen on a lateral wrist radiograph.
Pathology
Displacement, anterior bowing, or oblitera...
Article
Penile fracture
Penile fracture or rupture is a rare event, however one that requires emergency diagnosis and intervention. It is a rupture of the penile tunica albuginea of the corpora cavernosa or spongiosum caused by trauma to an erect penis, most commonly during sexual intercourse. The urologist needs to kn...
Article
Reverse Bankart lesion
Reverse Bankart lesion is defined as the detachment of posteroinferior labrum with avulsion of posterior capsular periosteum. This leads to laxity of the posterior band of the inferior glenohumeral ligament with posterior displacement of the humeral head.
As is the case with a Bankart lesion, t...
Article
Reverse Hill-Sachs defect
Reverse Hill-Sachs defect, also known as a McLaughlin lesion, is defined as an impaction fracture of anteromedial aspect of the humeral head following posterior dislocation of the humerus. It is of surgical importance to identify this lesion and correct it to prevent osteonecrosis.
Radiographic...
Article
Retroperitoneal hemorrhage
Retroperitoneal hemorrhage can be a source of significant yet occult blood loss.
Terminology
Some articles conflate and/or confuse retroperitoneal hemorrhage and Wunderlich syndrome 5. However Wunderlich syndrome refers primarily to bleeding around the kidney, not the retroperitoneum in genera...
Article
Gilula three carpal arcs
Gilula three carpal arcs are used in the assessment of normal alignment of the carpus on PA wrist radiographs. They entail:
first arc: is a smooth curve outlining the proximal convexities of the scaphoid, lunate and triquetrum
second arc: traces the distal concave surfaces of the same bones
t...
Article
Bowing fracture
Bowing fractures are incomplete fractures of tubular long bones in pediatric patients (especially the radius and ulna) that often require no intervention and heal with remodeling.
Epidemiology
Bowing fractures are almost exclusively found in children. However, there have been several case repo...
Article
Glass foreign body
Glass foreign bodies may be present if they are ingested, inserted, or as a result of an injury. All glass is radiopaque 7.
Epidemiology
The prevalence of glass foreign bodies in wounds from injury has been recorded at a rate of 1.5% in superficial (subcutaneous) wounds and 7.5% of deeper woun...
Article
CT comma sign (head)
The CT comma sign is a characteristic sign seen in head trauma. It is the presence of concurrent epidural and subdural hematomas, which gives the characteristic appearance of this sign as a "comma" shape.
Article
Pulmonary fat embolism
Pulmonary fat embolism is a specific subtype of pulmonary embolism where the embolic particles are composed of fat.
Pathology
It usually occurs in the context of a long bone fracture and may occur in 1-3% of patients with simple tibial or femoral fractures and up to 20-33% of individuals with ...
Article
Double delta sign (meniscal tear)
The double delta sign is a feature that has been described in a bucket handle meniscal tear when the inner meniscal fragment flipped anteriorly adjacent to the anterior horn of the donor site and is referred to as a displaced bucket handle tear. The original location of the posterior horn remain...
Article
Renal trauma
Renal trauma can result from direct, blunt, penetrating, and iatrogenic injury.
Epidemiology
Renal injuries account for ~10% of abdominal trauma, and thus the demographic of affected individuals reflect that population. The incidence of renal injuries increases in pre-existing congenital or ac...
Article
Brachial plexus injuries
Brachial plexus injuries are a spectrum of upper limb neurological deficits secondary to partial or complete injury to the brachial plexus, which provides the nerve supply of upper limb muscles.
Clinical presentation
Trauma, usually by motor vehicle accidents, involves severe traction on the ...
Article
Anterior talofibular ligament injury
Anterior talofibular ligament (ATFL) injury is the most common of the ligament injuries that can occur as part of the lateral ligament complex injuries 2. The injuries can comprise either soft tissue tears, avulsion fractures or both.
Pathology
Anterior talofibular ligament injuries typically ...
Article
Hemopneumothorax
A hemopneumothorax (plural: hemopneumothoraces) (or, less commonly, haematopneumothorax or pneumohemothorax) is a term given when there is concurrent presence of a hemothorax and pneumothorax. It is a variant of a hydropneumothorax.
Epidemiology
Approximately 5% of patients with pneumothorax ...
Article
Scapular fracture
Scapula fractures are uncommon injuries, representing ~3% of all shoulder fractures.
Epidemiology
Associations
Scapular fractures are often associated with other injuries due to the high energy trauma that is usually the underlying cause:
clavicle fracture
rib fracture
sternal fracture
sp...
Article
Foot (weight-bearing dorsoplantar view)
The weight-bearing dorsoplantar foot radiograph is a specialized projection of the foot. Nonweightbearing views (e.g. DP foot) are inadequate for the assessment of alignment because the bones of the feet are not in a functional position.
Indications
This view is key to the assessment of foot a...