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 […]

Knee Examination in the Child

Basics Description It is important, during a knee examination, to keep in mind the child’s age and to understand the age-specific pediatric knee disorders. Congenital hyperextension or dislocation of the knee: Varies from simple hyperextension to anterior dislocation of the tibia on the femur Hyperextended knee presents at birth. A hyperextensible knee resolves spontaneously, […]

Hip Arthritis

Basics Description Hip arthritis is caused by loss of the articular cartilage of the acetabulum and proximal femur. As the cartilage is lost, the subchondral bone of the proximal femur and the acetabulum rub, causing pain with ambulation, loss of motion, and disability. General Prevention Low-impact exercise (swimming, biking, walking) Activity modification Weight loss […]

Ewing Sarcoma

Basics Description Ewing sarcoma is a malignant bone tumor of the long bones, pelvis, and spine usually seen in childhood. Bone pain is the most common finding. Fever and an elevated white blood cell count and ESR sometimes are found. Nerve root irritation may be noted in patients with spinal lesions. It most commonly […]

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 […]