Items tagged “orthopaedics”

68 results found
Article

Lisfranc injury

Lisfranc injuries, also called Lisfranc fracture-dislocations, are the most common type of dislocation involving the foot and correspond to the dislocation of the articulation of the tarsus with the metatarsal bases. Pathology Anatomy The Lisfranc joint is the articulation of the tarsus with ...
Article

Femoral neck fracture

Neck of femur fractures (NOF) are common injuries sustained by older patients who are both more likely to have unsteadiness of gait and reduced bone mineral density, predisposing to fracture. Elderly osteoporotic women are at greatest risk. Epidemiology It is anticipated that the total number ...
Article

Pathological fracture

Pathological fractures are fractures that occur in abnormal bone. Although the term can be used in the setting of a generalized metabolic bone disease, it is usually reserved for fractures through a focal abnormality. The abnormality may be malignant or non-malignant in nature. Pathological fra...
Article

Odontoid fracture

Odontoid process fracture, also known as the peg or dens fracture, occurs where there is a fracture through the odontoid process of C2. Pathology The mechanism of injury is variable, and can occur both during flexion or extension with or without compression 5. Classification There are two cl...
Article

Sternoclavicular joint dislocation

Sternoclavicular joint (SCJ) dislocation is rare, accounting for only ~2% of joint dislocations and especially when compared to other traumatic upper limb injuries such as clavicular fractures.  Clinical presentation Most cases result from indirect trauma 5, especially high-speed motor vehicle...
Article

Maisonneuve fracture

Maisonneuve fracture is the combination of a spiral fracture of the proximal fibula and unstable ankle injury which could manifest radiographically by widening of the ankle joint due to distal tibiofibular syndesmosis and/or deltoid ligament disruption, or fracture of the medial malleolus. It is...
Article

Line of Klein

The line of Klein describes a line along the superior edge of the neck of the femur. It is useful in detecting early slipped upper femoral epiphysis​ (SUFE) in adolescents. The line should normally intersect the lateral part of the superior femoral epiphysis. If the line of Klein fails to inters...
Case

Metatarsus adductus

 Diagnosis certain
Dr Basab Bhattacharya
Published 07 Jul 2010
72% complete
X-ray
Article

Fracture healing

Fracture healing occurs naturally after traumatic bony disruption. This process begins with hemorrhage and progresses through three stages: inflammatory reparative remodelling This process can be supported by various treatment options with immobilisation a mainstay; inappropriate treatment m...
Article

Complications of hip joint replacements

Complications of hip joint replacements are common and are essential for the radiologist to be aware in the assessment of the radiographs with hip prostheses. They are many and can occur at various time intervals following the initial surgery: aseptic loosening: considered to be the most common...
Article

Lateral femoral notch sign (knee)

The (deep) lateral femoral notch sign describes a depression on the lateral femoral condyle at the terminal sulcus, a junction between the weight bearing tibial articular surface and the patellar articular surface of the femoral condyle. Pathology The likely mechanism is a hyperextension or im...
Case

O'Donoghue's unhappy triad

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 Diagnosis certain
Dr Mohammad A. ElBeialy
Published 19 Feb 2013
95% complete
MRI
Article

Metal-on-metal pseudotumour

A metal-on-metal pseudotumour, also known as aseptic lymphocyte-dominant vasculitis-associated lesion (ALVAL), is a mass-forming tissue reaction around a metal-on-metal hip or knee replacement. Clinical presentation Metal-on-metal pseudotumours are large focal solid or semiliquid masses around...
Case

Metal-on-metal pseudotumour

 Diagnosis certain
Dr Jan Frank Gerstenmaier
Published 20 Apr 2013
98% complete
X-rayUltrasoundMRI
Case

Isolated distal ulna fracture

 Diagnosis certain
Dr Henry Knipe
Published 17 May 2013
97% complete
X-ray
Case

Maisonneuve fracture

 Diagnosis certain
Dr Henry Knipe
Published 04 Jun 2013
94% complete
X-rayAnnotated image
Article

Carpometacarpal joint dislocation

Carpometacarpal (CMC) joint dislocations are an uncommon dislocation of the hand. Epidemiology There is a strong younger male predominance in the dominant hand. Clinical presentation The most common mechanisms of injury are punching followed by a fall. The patient may present with ulnar dev...
Case

5th carpometacarpal joint dislocation

 Diagnosis certain
Dr Henry Knipe
Published 29 Jun 2016
88% complete
X-ray
Case

Tibialis anterior tendon transfer

 Diagnosis almost certain
Dr Jeremy Jones
Published 02 Jul 2013
65% complete
MRIX-rayAnnotated image
Article

Calcaneal inclination axis

The calcaneal inclination axis is drawn between the most inferior portion of the calcaneal tuberosity and the most distal and inferior point of the calcaneus at the calcaneocuboid joint on a weightbearing lateral foot radiograph. It can be used to draw the calcaneal inclination angle.

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