Orthopedics > OCOSH Classification > Orthopaedic Oncology > Connective and Soft Tissue Neoplasms > Bone Neoplasms > Osteoma > Osteoid Osteoma > osteoid osteoma CHORUS
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osteoid osteoma CHORUS
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Location: http://chorus.rad.mcw.edu/doc/00297.html
Description: * M:F 2:1, 5 - 25 y/o (90%) (50% 10-20)
* pain at night - prostaglandin E2
* pain responds to salicylates
* tx: surgical excision of nidus, rare spontaneous regression
* location
o metadiaphysis and metapysis of long bones(73%)
o spine (14%)
o hands and feet (12%)
* lucent nidus with thickened cortex on CT and plain film
* Perinidal bone marrow edema and soft tissue inflamation on MRI
* DDx:
o Brodie abscess
o Ewing sarcoma
o osteosarcoma
o sclerosing osteomyelitis
Type: Reference Material
Author/Contact: Charles E. Kahn, Jr., MD
Institution: CHORUS
Primary Subject/Category:
- - OCOSH Classification: Investigations: Radiology - General: Radiology - Conditions
- - OCOSH Classification: Orthopaedic Oncology: Connective and Soft Tissue Neoplasms: Bone Neoplasms: Osteoma: Osteoid Osteoma
Submitted by: admin
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Added: Thu Jan 31 2002
Last Modified: Wed Jul 29 2009