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A 47-year-old member asked:

is it true that a sarcoma is a neoplasia?

1 doctor answer3 doctors weighed in
Dr. Ilya Iofin
Orthopedic Surgery 18 years experience
Yes: Sarcoma is a rare type of cancer that arises from bones, muscles, nerves, fat and connective tissues in general. Neoplasia (or neoplasm) means formation of new tissue. As sarcoma, or any cancer, involves growth of new tissue, it is therefore a neoplasm.

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A 21-year-old member asked:

Hat is the difference between neuroblastoma and neuroectodermal tumor?

2 doctor answers4 doctors weighed in
Dr. Jonathan Megerian
Pediatric Neurology 28 years experience
Both are Embryonal: Both neuroectodermal (pnet) and neuroblastoma (nb) come from undifferentiated primitive cells and arise out of the cells that form the nervous system. Nb comes from cells that form the peripheral nervous system, while pnet tumors come from cells that participate in the making of the central nervous system. Thus, nb is found outside of the brain and spinal cord, while pnets are found within the cns.
A 21-year-old member asked:

What is a pituitary tumor?

2 doctor answers4 doctors weighed in
Dr. Quang Nguyen
Specializes in Endocrinology
A growth: A pituitary tumor is simply a growth on the pituitary. It's not cancerous but it could cause problems by increasing or decreasing pituitary hormone secretion. It can also cause visual problems if it's big enough.
A 22-year-old member asked:

What is the chance that the tumor will come back after treatment?

2 doctor answers2 doctors weighed in
Dr. Ritesh Rathore
Hematology and Oncology 30 years experience
Variable: The chances of recurrence depends on cancer type, stage, pathologic features, completeness of surgery and finally upon the use of chemotherapy or radiotherapy after surgery.
A 34-year-old member asked:

What does malignant mean for a tumor?

1 doctor answer3 doctors weighed in
Dr. William A Biermann
Medical Oncology 46 years experience
Cancer: Tumor is a term gor a mass or lump. The causes can be a large number of things. Malignant means cancer. Sometimes when a patient has cancer the malignant masses are called tumors. This is not a specific term.
A 30-year-old member asked:

What's a tumor that is considered benign? I thought tumors were cancer

1 doctor answer3 doctors weighed in
Dr. Gurmukh Singh
Pathology 49 years experience
Not cancer: Tumor is a general term for a mass or swelling. Tumors may be benign or malignant. Benign tumors rarely kill.

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Last updated Sep 11, 2014

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