MSK neoplasia

Question 1

Where is the most common place for a soft tissue sarcoma

Answer 1

Lung tissue

Question 2

What is the reactive zone?

Answer 2

Zone around the tumour, neutrophils laying doen collagen and making a wall around the tumour

Question 3

What is a fibrosarcoma?

Answer 3

• Arises from fibroblasts
• Found in the skin
• subcut
• oral/ nasal form

Question 4

How would you differentiate a myxosarcoma from a fibrosarcoma?

Answer 4

Differentiated from
fibroblasts from
intercellular mucin

Question 5

Where do hemangiopericyomas originate from?

Answer 5

Pericyte or the nerve sheath (similiar biological behaviour)

Question 6

What are the clinical signs of a PNST?

Answer 6

• Significant neurological changes can be evident
• Severe neuropathic pain

Question 7

What is a liposarcoma?

Answer 7

rare tumour of older dogs
locally aggressive and metastasize

Question 8

What is an infiltrative lipoma?

Answer 8

• Invades local muscle and fascial planes, joint capsules and abdominal cavity, nerves, bone
• Aggressive therapy may be required
• Reduces blood supply to the tumour