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Lorne H. Blackbourne-Surgical recall, Sixth Edition 2011.pdf
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572 Section III / Subspecialty Surgery

 

What chromosomal

Trisomy 21

abnormality is associated

 

with duodenal web/atresia/

 

stenosis?

 

Which foreign body past the

Batteries!

pylorus must be surgically

 

removed?

 

POWER REVIEW

 

 

 

What is the usual age at presentation of the following conditions:

Pyloric stenosis?

Intussusception?

Wilms’ tumor?

Malrotation?

Neuroblastoma?

Hepatoblastoma?

Appendicitis?

2 weeks to 2 months

4 months to 2 years ( 80%)

1 to 5 years

Birth to 1 year ( 85%)

50% present by 2 years;80% present by 8 years

Younger than 3 years

Older than 3 years (but must be considered at any age!)

C h a p t e r 68

Plastic Surgery

Define the following terms:

 

Blepharoplasty

Eyelid surgery—removing excess

 

skin/fat

Face lift

Removal of excess facial skin via hairline/

 

chin/ear incisions

FTSG

Full Thickness Skin Graft

 

Chapter 68 / Plastic Surgery 573

Langer’s lines

Natural skin lines of minimal tension

 

(e.g., lines across the forehead), incisions

 

perpendicular to Langer’s lines result in

 

larger scars than incision parallel to the

 

lines

 

 

2

 

 

hrf'0

Mammoplasty

Breast surgery (reduction/augmentation)

Polydactyly

Extra fingers

Rhinoplasty

Nose surgery, after trauma or cosmetic

STSG

Split Thickness Skin Graft

Syndactyly

Webbed fingers

WOUND HEALING

 

 

What are the phases of

Think: “In Every Fresh Cut” IEFC:

wound healing?

1.

Inflammation

 

2.

Epithelialization

 

3.

Fibroplasia

 

4.

Contraction

574 Section III / Subspecialty Surgery

 

What are the actions of the

 

following phases:

 

Inflammation?

Vasoconstriction followed by vasodilation,

 

capillary leak

Epithelialization?

Epithelial coverage of wound

Fibroplasia?

Fibroblasts and accumulation of collagen,

 

elastin, and reticulin

Wound contraction?

Myofibroblasts contract wound

What is the maximal

0.75 mm/day

contraction of a wound in

 

mm/day?

 

EPITHELIALIZATION

 

 

 

What degree of bacterial

100,000 organisms/gm tissue (105)

contamination prevents

 

epithelialization?

 

In which structures does the epithelium grow from superficial burns/wounds?

In full-thickness burns?

Epithelial lining of sweat glands and hair follicles

From wound margins, grows in 1 cm from wound edge because no sweat glands or hair follicles remain; this epithelium has no underlying dermis

What malignant ulcer is

Marjolin’s ulcer (a.k.a. burn scar

associated with a long-

carcinoma)

standing scar/burn?

 

WOUND CONTRACTION

 

 

 

What are myofibroblasts?

Specialized fibroblasts that behave like

 

smooth muscle cells to pull the wound

 

edges together following granulation

Which contracts more: an

STSG contracts up to 41% in surface

STSG or an FTSG?

area, whereas an FTSG contracts little,

 

if at all

 

Chapter 68 / Plastic Surgery 575

What is granulation tissue?

Within 4 to 6 days after an open wound,

 

development of capillary beds and

 

fibroblasts provides a healthy base for

 

epithelial growth from wound edges; this

 

tissue also resists bacterial infection

Name the local factors that

Hematoma, seroma, infection, tight sutures,

impair wound healing.

tight wrap, movement/disturbance of the

 

wound (i.e., poking it with a finger)

What generalized conditions

Anemia

inhibit wound healing?

Malnutrition

 

Steroids

 

Cancer

 

Radiation

 

Hypoxia

 

Sepsis

What helps wound healing in patients taking steroids?

When does a wound gain more than 90% of its maximal tensile strength?

Vitamin A is thought to counteract the deleterious effect of steroids on wound healing

After 6 weeks

Define the following terms: Laceration

Abrasion

Contusion

Hypertrophic scar

Keloid

Why not clean lacerations with Betadine®?

What is the best way to clean out a laceration?

Jagged wound

Superficial skin removal

Bruise without a break in the skin

Hypertrophic scar within original wound margins

Proliferative scar tumor progressively enlarging scar beyond original wound margins

Betadine® is harmful to and inhibits normal healthy tissue

Normal saline irrigation; remember, “The solution to pollution is dilution”

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