What is included in long-term monitoring of osteosarcoma?

Updated: Jul 01, 2020
  • Author: Charles T Mehlman, DO, MPH; Chief Editor: Omohodion (Odion) Binitie, MD  more...
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For patients on granulocyte colony-stimulating factor (G-CSF) therapy, a CBC should be performed twice weekly so that G-CSF can be discontinued when the absolute neutrophil count has reached a predetermined level (usually 1000 or 5000/μL) (see the Absolute Neutrophil Count calculator).

It is important to monitor the blood chemistries and liver function test results for patients on parenteral nutrition or who have a history of toxicity (especially if nephrotoxic or hepatotoxic antibiotics or other drugs are continued).

To monitor for recurrence, patients should continue to have blood work and radiographic scans on an outpatient basis, with the frequency decreasing over time. Generally, these visits occur every 3 months for the first 2 years; every 4 months for year 4 and every 6 months for years 4 and 5 and yearly thereafter.

When patients have been without therapy for 5 or more years, they are considered long-term survivors. These individuals should be seen annually in a late-effects clinic and monitored with appropriate studies depending on their therapy and side effects. Visits may include hormonal, psychosocial, cardiology, and neurologic evaluations.

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