Timothy B. Rapp

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Tumors are thought to be sustained by a reservoir of self-renewing cells, termed tumor-initiating cells or cancer stem cells. Osteosarcomas are high-grade sarcomas derived from osteoblast progenitor cells and are the most common pediatric bone malignancy. In this report we show that the stem cell transcription factor Sox2 is highly expressed in human and(More)
Despite educational focus regarding orthopedic oncology during residency, assessment of resident orthopedic oncology caseload has not been performed. The purpose of this study was to evaluate orthopedic oncology caseload trends and variation among residents. The Accreditation Council for Graduate Medical Education case log reports for orthopedic surgery(More)
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