Specialists

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Osteosarcoma

Basics Description The most common primary malignant bone tumor in children and young adolescents May occur occasionally in older adults but is much less common than chondrosarcoma and MFH May occur within other lesions (secondary sarcoma) such as Paget disease, bone infarcts, and irradiated bone A highly malignant tumor with invasive local growth and […]

Osteomyelitis

Basics Description Osteomyelitis is inflammation or infection of bone. Classification is most commonly based on the timing of onset: Acute: Most often from hematogenous spread: The most common organism in neonates is Staphylococcus aureus, followed by Streptococcus or Gram-negative organisms. In older infants and children, it usually is S. aureus. Subacute: Accounts for 1/3 […]

Eosinophilic Granuloma

Basics Description EOG is the bony, and most common, manifestation of a group of nonneoplastic disorders known as LCH. 3 basic scenarios occur: Solitary site bone disease Multiple bone lesions without visceral disease Multiple bone lesions and visceral disease EOG commonly affects the skull, ribs, pelvis, spine, diaphysis of long bones, and mandible, but […]