10 - SX Of Oncology

Question 1

Gross tumor

Answer 1

Friable, discolored

Question 2

Pseudocapsule

Answer 2

Fibrous tissue in reaction to growing mass

Question 3

Malignant tumors will have cells beyond

Answer 3

Pseudocapsule

Question 4

Microscopic tumor

Answer 4

Statellite cells or tumor fingers

Question 5

Tissue planes resistant to tumor penetration

Answer 5

Fascia, joint capsule, cartilage and bone

Question 6

What is teh easiest way to obtain sample of a mass

Answer 6

Fine needle aspirate

Question 7

Biopsy may be indicated if

Answer 7

FNA is inconclusive, no diagnostic

Question 8

What information is provided by biopsy

Answer 8

Type of neoplasia and grade

Question 9

Biopsy risk

Answer 9

Risk of tumor metastasis to local tissues, risk of hemorrhage due to biopsy, risk of tissue rupture from biopsy

Question 10

Examples of risk of hemorrhage due to biopsy

Answer 10

Thyroid masses, caviar acted splenic or liver mass, SC hemangiosarcome

Question 11

Risk of tissue rupture form biopsy example

Answer 11

Lung biopsy and bladder wall biopsy

Question 12

Most commonly performed for tumors within body cavities

Answer 12

Tru cut / needle biopsy

Question 13

Tru cut is most of the time done

Answer 13

Per cutaneous - ultra sound guided

Question 14

Sharp incision

Answer 14

Wedge or punch biopsy

Question 15

Incisional biopsy you remove

Answer 15

Portion of tumor, majority still intact

Question 16

Where can you not fo with incisional biopsy

Answer 16

Central

Question 17

Poorly planned biopsy leads to

Answer 17

Larger margin for 2nd procedures

Question 18

Excsional biospy

Answer 18

Sharp incision around the periphery of the tumor

Question 19

With excisional biopsy up remove

Answer 19

All gross disease and small barrier of normal tissue

Question 20

What sed/anesthesia is required for excisional biopsy for small tumor

Answer 20

Heavy sedation and local anesthesia

Question 21

What sed/anesthesia is required for excisional biopsy for large tumor

Answer 21

General anesthesia

Question 22

What can be curative for benign tumor

Answer 22

Excisional

Question 23

Surgical intent

Answer 23

The outcome we would like to achieve - longtime

Question 24

Cure intent

Answer 24

Achieve tumor free margin

Question 25

Curative intent surgery is not possible if

Answer 25

Metastatic disease present

Question 26

Palliative intent

Answer 26

Goal is not cure but improved quality of life

Question 27

Surgical dose

Answer 27

Amount of surgical resection planned

Question 28

Wide excision

Answer 28

Removal of pre determined amount of normal tissue around tumor

Question 29

Radical excision

Answer 29

Removal of a body compartment

Question 30

Marginal excision

Answer 30

Planned excisional biopsy

Question 31

With marginal excision what might be left behind

Answer 31

Microscopic disease

Question 32

Cytoreduciton

Answer 32

Debulking

Question 33

Always use what suture for tumor removal

Answer 33

Monofilament

Question 34

Most common skin tumor of dogs

Answer 34

Mast cell tumor

Question 35

TX of choice of mast cell tumor

Answer 35

Surgery

Question 36

Curative intent of mast cell tumor

Answer 36

Wide excision

Question 37

Recurrent at dirty margin with mast cell tumor

Answer 37

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