Biopsy

Question 1

Pros of a Pre-Op biopsy? (Incisional) ?

Answer 1

• BETTER PLANNING ( rst
  chance at Sx is best
  chance!!!)
• Definitive Dx enables pre-op
  radiation (Feline Vaccine
  Associated Sarcoma)

Question 2

Cons of Pre-op Biopsy (Incisional?

Answer 2

• Two procedures
• Progression while waiting to do definitive sx
• Cost
• INC risk of local recurrence*

Question 3

When to do FNA ?

Answer 3

Cutaneous and SC masses select abdo and thoracic under US guidance

-> definitive diagnosis wih MCT, malignant melanoma, lymphoma

Question 4

Describe how Incisional biopsy is done?

Answer 4

Wedge incision - small section of mass removed with scalpel or Baker punch

Question 5

What can we use for bone biopsy?

Answer 5

Jamshidi or Trephine

Question 6

Do we biopsy for limb spare?

Answer 6

No typical - cons outweight pros
-> Higher risk of local recurrence

Question 7

2 good reasons to try and FNA?

Answer 7

Egg-shell cortex on Xray
Or
Soft tissue extension

Question 8

Where should u aim on bone biopsy?

Answer 8

CENTRE of lesion
Reactive bone does nott equal benign disease

Question 9

What are soem risks of bone biopsy?

Answer 9

• Inc lameness
• Pathologic fracture
• Non-diagnostic
• Tumor seeding

Question 10

Closure for stomach incisional biopsy?

Answer 10

2 layer
- Simple cont
- Lembert oversew e