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Internet Resources relating to the radiological investigation of orthopaedic conditions
[OCOSH Code: D011871 118247008 INV_RAD_CON]

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juvenile rheumatoid arthritis (JRA) CHORUS

Location: http://chorus.rad.mcw.edu/doc/00657.html

* 15% seropositive
o F> M
o onset> 10 yrs
* 85% seronegative (Still disease)
* sites: KNEES, ANKLES, hands, wrists, feet
findings:
* decreased bone density
* early epiphyseal closure --> short bones
* ankylosis...
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View Details Visit Resource Review It Rate It Bookmark It Added: Thu Jan 31 2002

Klippel Feil syndrome CHORUS

Location: http://chorus.rad.mcw.edu/doc/00219.html

* fused vertebrae
o esp. cervical spine (C3-C4)
* elevation of scapula (Sprengel deformity)
* omocervical bones
* GU abnormalities (66%)
o renal agenesis (33%)
* deafness (33%)
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LeFort fracture CHORUS

Location: http://chorus.rad.mcw.edu/doc/00554.html

types:
I transverse fx thru floor of maxillary sinuses (only palate moves)
II thru maxillary sinuses (pyramidal fx)
...
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Legg-Calve-Perthes disease CHORUS

Location: http://chorus.rad.mcw.edu/doc/00227.html

osteochondritis deformans (OCD), coxa plana
* idiopathic avascular necrosis ("osteochondritis") of proximal femoral epiphysis
* probably 2' to acute or chronic trauma (Cf: AVN)
* MALES (90%) (converse of CDH)
* unilateral (90%)
* peak age: 4 - 8 yrs
* uncommon before 3 y/o except in CDH
* self-limited
* can progress to coxa plana
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Letterer-Siwe disease

Location: http://chorus.rad.mcw.edu/doc/00230.html

Acute diseminated form of histiocytosis X
* age 0 - 1 yr
* worst prognosis (70% mortality)
* visceral involvement: hepatosplenomegaly
* purpura, anemia, lymphadenopathy
* bone: extensive lytic skull lesions, "raindrop" skull
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Leukaemia infiltration LSBU

Location: http://myweb.lsbu.ac.uk/dirt/museum/448-341.html

Radiology case 448-341 Adult male with anaemia.
The particular feature is the low density of pubis and sacrum with relative sparing of ilia and femora. Patchy bone loss can be seen in both ischia and the proximal metaphyses of both femora, coarsening the visible bone architecture. There is a fairly well-defined...
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Lipoma soft tissue LSBU

Location: http://myweb.lsbu.ac.uk/dirt/museum/419-363.html

Radiology case 419-363 Clinical presentation: Incidental finding in an 80 year old woman.
There is a well defined low density in the soft tissues, which reflects the low atomic number of the components of fat. Its well circumscribed margin makes it visible in this image and the lesion is projected adjacent to...
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