What Is the Most Important Prognostic Factor for Osteosarcoma

question 17

Multiple Choice

What is the most important prognostic factor for osteosarcoma?

• A) Site of primary tumor
• B) Age of patient at diagnosis
• C) Presence of metastatic disease
• D) Performance status

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Definitions:

Lesioning

Insertion of a thin, insulated electrode into the brain through which an electrical current is sent, destroying the brain cells at the tip of the wire.

Electrical Current

A flow of electric charge, carried by electrons or ions, through a conductor or space.

Increase Vulnerability

A condition or situation that heightens the susceptibility of an individual or group to harm or adverse effects.

Cancer

A group of diseases characterized by the uncontrolled growth and spread of abnormal cells in the body.