20.4 (Benign vs Malignant tumours) Flashcards

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1
Q

How do they grow?

A

Both can grow to a large size

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2
Q

How do they grow speedwise?

A

B: very slowly
M: rapidly

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3
Q

what do their cell nucleus looks like?

A

B: relatively normal appearance
M: often large, appears darker due to an abundance of DNA

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4
Q

what is their differentiation (specialisation) like?

A

B: often well differentiated (specialised)
M: become de-differentiated (unspecialised)

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5
Q

what is their adhesion production like?

A

B: adhesion molecules produced, make them stick together, so remain within primary tumour
M: don’t produce adhesion molecules, tend to spread to other regions by metastasis (form 2nd tumours)

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6
Q

Are the tumours surrounded?

A

B: surrounded by a capsule of dense tissue, compact structure
M: not surrounded by capsule, can grow projections into surrounding tissue

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7
Q

Are they life threatening?

A

B: less likely, but can disrupt function of vital organs
M: more likely, abnormal tissue replaces normal tissue

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8
Q

What are their effects like?

A

B: localised effects on the body
M: often systemic effects (weight loss and fatigue)

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9
Q

Can they be removed?

A

B: usually removed by surgery alone
M: usually involves radiotherapy/chemotherapy and surgery

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10
Q

Can they reoccur after treatment?

A

B: rarely
M: more frequently

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