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General Surgery: Wound Healing

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Questions and Answers

What is the primary cause of keloid scar formation?

Infection and hematoma (correct)

Trauma-induced tissue damage

Genetic predisposition with autosomal dominant inheritance

Abnormal collagen synthesis

What is the characteristic sensation associated with keloid scars?

Tender, itching, and burning (correct)

Sharp pain and swelling

Coolness and redness

Numbness and tingling

What is the key difference between keloid and hypertrophic scars in terms of their growth pattern?

Keloid scars grow faster than hypertrophic scars

Keloid scars grow beyond the original wound border, while hypertrophic scars do not (correct)

Keloid scars are more painful than hypertrophic scars

Keloid scars are more common than hypertrophic scars

What is the recurrence rate of keloid scars after excision alone?

40-60% Signup and view all the answers

How many times more collagen is synthesized in keloid scars compared to normal tissue?

20 times more Signup and view all the answers

What is the primary difference between keloid and hypertrophic scars in terms of their onset?

Keloid scars develop later than hypertrophic scars Signup and view all the answers

What is the genetic pattern of inheritance associated with keloid scars?

Autosomal dominant Signup and view all the answers

What is the primary treatment for keloid scars?

Excision with intralesional cortisol injection Signup and view all the answers

How many times more collagen is synthesized in keloid scars compared to hypertrophic scars?

3 times more Signup and view all the answers

What is the racial group that is more predisposed to developing keloid scars?

African Americans Signup and view all the answers