Orthopedics > OCOSH Classification > Investigations > Radiology - General > Radiology - Conditions > Page 11
Radiology - Conditions
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Internet Resources relating to the radiological investigation of orthopaedic conditions
[OCOSH Code: D011871 118247008 INV_RAD_CON]
Resources
lunate dislocation CHORUS
Location: http://chorus.rad.mcw.edu/doc/02047.html
* lunate dislocates posteriorly
* other carpal bones remain in alignment
less common than perilunate dislocation
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Lyme arthritis CHORUS
Location: http://chorus.rad.mcw.edu/doc/00239.html
* migratory polyarthritis
* common in New England (named for Lyme, Conn.)
* spirochete (Borrelia) transmitted by tick (Ixodes dammini)
* joint effusion, esp. knee (may be only finding)
* skin lesions: erythema chronicum migrans
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lytic metastasis ca breast LSBU
Location: http://myweb.lsbu.ac.uk/dirt/museum/322-3310.html
ACR-code 322-3310 Clinical presentation:
A patient with previous mastectomy now with neck pain and lower limb weakness.
The plain image shows a complex appearance with a soft-tissue density behind the medial end of the right clavicle and a destructive process on the right side of the 2nd and 3rd thoracic vertebrae...
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lytic Metastasis ca bronchus LSBU
Location: http://myweb.lsbu.ac.uk/dirt/museum/321-3316.html
Radiology case 321-3316 75 year old man with back pain and a history of cough.
There is a destructive lesion of the (7th) thoracic vertebra. A normal vertebral body should appear intact in an axial cut at the level of the pedicles, which should include both. Divergence of the bronchi reveals...
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Lytic metastasis Neuroblastoma LSBU
Location: http://myweb.lsbu.ac.uk/dirt/museum/448-3318.html
Radiology case 448-3318 Two and a half year old boy with an abdominal tumour.
There is a general lytic process, which is most marked in the metaphyses of the femora, but also affects the diaphyses to a lesser degree. Patchy bone loss is also present in the pelvis, particularly pubis and...
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lytic Metastasis Pathological fracture LSBU
Location: http://myweb.lsbu.ac.uk/dirt/museum/331-3316.html
Radiology case 331-3316 Clinical presentation:
42 year old man with known carcinoma of the bronchus and recent onset of acute back pain. Pathologic fracture of body of lumbar vertebra. The pedicles are intact. The back of the vertebra is missing. The observation is that pedicle and body should both be on...
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macrodystrophic lipomatosis CHORUS
Location: http://chorus.rad.mcw.edu/doc/01168.html
* focal gigantism
* usually in the 2nd and 3rd digits in the hand
* may see increased fat in the soft tissues
* bone & soft-tissue overgrowth
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Madelung deformity CHORUS
Location: http://chorus.rad.mcw.edu/doc/00240.html
* chondrodysplasia of distal radial epiphysis
* (?) part of dyschondrosteosis (skeletal dysplasia)
* usually bilateral
* first apparent in early adolescence
* "bayonet"-shaped appearance of hand and wrist resembles anterior dislocation
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Madelung Deformity LearningRadiology
Location: http://www.learningradiology.com/archives2009/COW 350-Madelungs/madelungscorrect.htm
* Arrest of epiphyseal growth of the ulnar (medial) and volar (anterior) portions of the distal radius
* Leads to shortening of the radius and relative overgrowth of the ulna
* Inherited as an autosomal dominant due to mutation on X chromosome and has variable penetrance
* Overwhelmingly...
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Mafucci syndrome CHORUS
Location: http://chorus.rad.mcw.edu/doc/00241.html
* rare
* multiple enchondromata
o 40 - 45% malignant transformation --> chondrosarcoma
* multiple cavernous hemangiomata
o may degenerate --> angiosarcoma
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Mafucci Syndrome LSBU
Location: http://myweb.lsbu.ac.uk/dirt/museum/438-1543.html
Radiology teaching, the hand in Mafucci syndrome, a single radiology case example.There is expansion and replacement of the bone of the middle metaphysis of the right hand. A smaller lytic lesion is seen in the right 5th metacarpal with some minimal expansion. The cortex of metacarpals is intact. There...
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Maisonneuve fracture CHORUS
Location: http://chorus.rad.mcw.edu/doc/01124.html
components:
1. fracture of the proximal third of the fibula
2. rupture of the distal tibiofibular syndesmosis
associated with:
* fracture of the tibia
* rupture of the deltoid ligament
caused by an ABDUCTION and EXTERNAL rotation force applied to the ankle which forces the talus laterally against the fibula
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Malgaigne fracture CHORUS
Location: http://chorus.rad.mcw.edu/doc/01125.html
two vertical fractures involving one side of the pelvic ring
* one fracture anterior to the acetabulum
o usually through the pubic ramus
* one fracture posterior to the acetabulum
o usually through...
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march fracture CHORUS
Location: http://chorus.rad.mcw.edu/doc/01126.html
* stress or fatigue fracture of the metatarsals
* seen in military recruits (a/w marching)
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Marfan syndrome CHORUS
Location: http://chorus.rad.mcw.edu/doc/00246.html
connective-tissue disorder: autosomal dominant, 15% sporadic
* cardiovascular system (prob. cause of death in 93%)
o aortic aneurysm (mostly ascending)
o dilatation of aortic sinuses
...
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