dr james c wittig, orthopedic oncologist, new york, new jersey
Patient Education
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Questions and Answers
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Types of Cancer

What causes tumors?

February 03, 2014
In reality, nobody knows what causes a sarcoma or a benign bone tumor. Because of the rarity of these tumors it has been difficult to perform extensiv...

What is a tumor?

February 03, 2014
A tumor refers to an abnormal growth in the body. Tumors are made up of abnormal cells that are uncontrollably dividing and replicating themselves. Tu...

What are the differences between Sarcomas and Carcinomas?

July 12, 2011

Sarcomas and carcinomas are types of malignant tumors that can affect bones. They are derived from different types of cells. Sarcomas are derived from mesodermal (mesenchymal cells) and carcinomas are derived from epithelial types of cells

Is there a difference between "Bone Cancer" and a "Bone Tumor"?

July 11, 2011

These two terms are very general terms. A bone tumor refers to any abnormal growth from the bone or in the bone, benign or malignant. Bone cancer refers to a malignant bone tumor.

How can I find our more about my diagnosis?

July 10, 2011

You can go to the PATIENT EDUCATION section of the website to learn more.

Making A Diagnosis

What is tumor "grade?"

February 03, 2014
Sarcomas are graded by pathologists. When the pathologist views a biopsy specimen or the final tumor under the microscope, he assigns a grade to the t...

What is a Biopsy?

July 12, 2011

A biopsy is the act of obtaining a piece of tissue from a tumor. It is then studied under a microscope by a pathologist (a physician who specializes in this area) to determine the type of tumor. Determining the type of tumor, and whether it is benign or malignant (cancerous) enables the doctors to determine the type of treatment.

What does Staging mean?

July 11, 2011

Staging is a way of assessing specific characteristics about a sarcoma and correlating it with a prognosis. It is a way of estimating a prognosis for patients.

Types of Treatment Available

How does chemotherapy work?

February 03, 2014
Chemotherapy is the administration of certain toxic drugs in an attempt to kill cancer cells and cure patients of their cancer, shrink tumors to facil...

What is a Percutaneous Radiofrequency Ablation aka RFA?

July 12, 2011

The latest, "State of the Art Treatment" for Osteoid Osteoma is PERCUTANEOUS RADIOFREQUENCY ABLATION (also known as RFA). This is a minimally invasive procedure that is performed under a CAT Scan, usually by a highly specialized musculoskeletal radiologist, in which a needle or probe is inserted into the lesion and the lesion is heated and destroyed.

Questions About Surgery

What is limb sparing surgery?

February 03, 2014
A limb sparing surgery is also called a resection. Resections are usually performed for malignant tumors and very large benign agressive tumors that h...

How do I schedule surgery?

May 01, 2013

Surgeries are scheduled by the office's administrative staff, and you are asked to discuss your scheduling preferences with the Surgery Coordinator. Changes are made to the surgery calendar daily, and the administrative staff will do their best to accommodate your needs accordingly.

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