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level: Lecture 15: Soft Tissue Tumors

Questions and Answers List

Question	Answer
What is a "sarcoma"?	A kind of cancerous tumor
Where do sarcoma tumors manifest?	In bones and soft tissues
What types of etiological factors can cause sarcomas? Name some. (This question is a basic/general knowledge question. There are 5 categories. Either name some categories, OR actual causes. Don't over think it.)	1) Environmental Factors: Scar tissues, Chemical carcinogens (asbestos, etc. Products labeled "may cause cancer".) 2) Iatrogenic Factors: caused by physician intervention (like medications, surgeries) 3) Viruses: HIV 4) Immunologic Factors: immunodeficiencies, therapeutic immunosuppression 5) Genetics: inherited predisposition
Is Lipoma a malignant or benign soft tissue tumor?	Benign; it's more of a cosmetic problem than a medical problem.
How is Liposarcoma different than Lipoma, even though they look the same, to the naked eye, and are both found in adipose tissue?	Liposarcoma is a malignant tumor.
Select the correct words: Dermatofibromas are (soft/hard), (malignant/benign) growths that appear on (the skin/the organs)	Hard, benign, skin
Firomatosis is _______ tissue that infiltrates muscle or other tissue, forming a mass lesion. It is (benign or malignant?).	Fibrous, benign
Fibrosarcoma is a tumor made of what kind of tissue? Is it benign/malignant?	Fibrous, malignant.
Where is Synovial Sarcoma usually found? Is it benign or malignant?	In joints, malignant.