Items tagged “msk”
13 results found
Article
Gout
Gout is a crystal arthropathy due to deposition of monosodium urate crystals in and around the joints.
Epidemiology
Typically occurs in those above 40 years. There is a strong male predilection of 20:1, with this predilection more pronounced in younger and middle-aged adults. In the elderly, t...
Article
Shoulder dislocation
The shoulder dislocation (more accurately termed a glenohumeral joint dislocation) involves separation of the humerus from the glenoid of the scapula at the glenohumeral joint.
This article contains a general discussion on shoulder dislocation. For specific dislocation types please refer to the...
Article
Subacromial-subdeltoid bursa
The subacromial-subdeltoid bursa (SASD), also simply known as the subacromial bursa, is a bursa within the shoulder that is simply a potential space in normal individuals.
Gross anatomy
found deep to the deltoid muscle and the coraco-acromial arch
medially in close relation to the acromio-cla...
Article
Elbow dislocation
Elbow dislocation is the second most common large joint dislocation in adults and the most common in children.
Epidemiology
Elbow dislocations are common and account for 10-25% of all elbow injuries in the adult population 1. They are the most common dislocation in children 4.
Associations
...
Article
Joint effusion
A joint effusion is defined as an increased amount of fluid within the synovial compartment of a joint.
There is normally only a small amount of physiological intra-articular fluid. Abnormal fluid accumulation can result from inflammation, infection (i.e. pus) or trauma and might be exudate, tr...
Article
Pulled elbow syndrome
Pulled elbow (also known as nursemaid's elbow) is a subluxation of the radial head into the annular ligament, which usually spontaneously or easily reduces and rarely demonstrates abnormal radiographic features. If the clinical presentation is atypical, pulled elbow should be distinguished from ...
Article
Anisotropy
Anisotropy is an artifact encountered in ultrasound, notably in muscles and tendons during a musculoskeletal ultrasound. In musculoskeletal applications, the artifact may prompt an incorrect diagnosis of tendinosis or tendon tear.
When the ultrasound beam is incident on a fibrillar structure su...
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
Rhabdomyolysis
Rhabdomyolysis describes the breakdown of striated muscles with the release of intracellular contents and represents a severe muscle injury. MRI is the imaging modality of choice. Rhabdomyolysis is potentially life-threatening although recovery is excellent with early treatment.
Clinical presen...
Article
Hands
The hand is part of the upper limb below the forearm and wrist. In the supinated anatomical position, the palm is facing anteriorly and the dorsum posteriorly.
The bones of the hand are:
carpals (8)
scaphoid
lunate
triquetrum
pisiform
trapezium
trapezoid
capitate
hamate
metacarpals (5...
Article
Peritalar dislocation
Peritalar dislocation, also referred to as subtalar dislocation, involves the combined dislocation of the talocalcaneal/subtalar and talonavicular joints without the involvement of the tibiotalar and calcaneonavicular joints. It is generally associated with high-energy trauma and accounts for a ...
Article
Pyogenic flexor tenosynovitis
Pyogenic flexor tenosynovitis is a serious infection of the flexor tendon sheath of a finger that can lead to devastating consequences if delayed 1,2. With the early diagnosis and treatment of pyogenic flexor tenosynovitis, the serious sequelae of infection are markedly decreased. In a large ser...
Article
Wrist arthrocentesis (ultrasound-guided)
Wrist arthrocentesis refers to the aspiration of an effusion in the radiocarpal joint. It serves primarily as a diagnostic modality to determine fluid composition, and may function secondarily to reduce pain associated with capsular stretch. The dynamic, ultrasound-guided technique will be descr...
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