Equine Oncology Flashcards

1
Q

Which breed of horse are predisposed to melanoma?

A

Lipazzaner

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2
Q

Which breeds of horse are predisposed to ocular SCCs?

A

Shire and Clydesdale

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3
Q

What are the 4 main groups of paraneoplastic syndrome in the horse?

A
  1. Mucocutaneous/skin
  2. Neurological
  3. Haematological
  4. Endocrine and metabolic
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4
Q

What is the most common haematopoetic neoplasia in horses?

A

Lymphoma

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5
Q

Which type of lymphoma is most common in horses aged 4-12y?

A

Multicentric

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6
Q

What are the signs of multicentric lymphoma?

A

VAGUE: weight loss, depression, ventral oedema, recurrent fever

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7
Q

How is multicentric lymphoma diagnosed?

A

cytology or biopsy of masses

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8
Q

How is multicentric lymphoma treated?

A

Surgery or Chemo

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9
Q

What are the signs of alimentary lymphoma?

A

malabsorption, weight loss, colic

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10
Q

Which type of lymphoma is most common in horses aged >12y?

A

Alimentary

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11
Q

How is alimentary lymphoma diagnosed?

A

cytology (peritoneal fluid), biopsy

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12
Q

How is alimentary lymphoma treated?

A

Surgery or chemo

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13
Q

Which types of lymphoma occur in horses of all ages?

A

Mediastinal, Thoracic or Thymic

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14
Q

What are the clinical signs of mediastinal lymphoma?

A

weight loss, depression, ventral and limb oedema, pleural effusion

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15
Q

How is Mediastinal lymphoma diagnosed?

A

cytology (pleural effusion), biopsy

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16
Q

How is mediastinal lymphoma treated?

A

Palliative care - no cure, hopeless Px

17
Q

Which type of lymphoma is seen in older horses?

A

Cutaneous

18
Q

What are the clinical signs of cutaneous lymphoma?

A

Subcutaneous and cutaneous nodules

19
Q

How is cutaneous lymphoma diagnosed?

A

Biopsy nodule

20
Q

How is cutaneous lymphoma treated?

A

Surgical excision if possible

21
Q

Which highly malignant tumour affects middle aged to older horses, and may present with respiratory, MSK of haemorrhagic signs?

A

Haemangiosarcoma

22
Q

how is haemangiosarcoma diagnosed?

A

cytology, biopsy - difficult due to risk!

23
Q

how is haemangiosarcoma treated?

A

Palliative care! Poor Px

24
Q

What are the 4 common oral cancers of horses?

A

Ameloblastoma
Ossifying fibroma (young)
SCC (most common)
Melanoma