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HLI > Lumps and bumps > Flashcards

Lumps and bumps Flashcards

1
Q

What is this tumour?

A

Benign cutaneous Histiocytoma

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2
Q

Features of benign cutaneous histiocytoma

A

Common in younger dogs

99% regress

Often on feet, eyes and nose

Langerhans cell origin

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3
Q

Features of histiocytoma

A

Epitheliotropic lymphoma

top heavy

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4
Q

What are these?

A

Mast cell tumours

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5
Q

Most common cutaneous malgnancy in dogs?

A

mast cell tumour

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6
Q

Where do high grade mast cell tumours metastasise to?

A

Lymph Nodes

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7
Q

What is this?

A

Plasmacytoma

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8
Q

What is this?

A

Cutaneous lymphoma

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9
Q

What is this?

A

Melanoma

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10
Q

What is this?

A

Transmissible venereal tumour

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11
Q

What is this?

A

melanocytoma

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12
Q

What is this?

A

Malignant melanoma

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13
Q

Dog and cat lymphomas

A

Non epitheliotropic lymphoma (B cell origin)

Epitheliotropic lymphoma - mycosis fungoides (T cell origin)

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14
Q

WHere is transmissible venereal tumour presant in Australia?

A

Northern Territory

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15
Q

How is transmissible venereal tumour transmitted?

A

coitus, licking, scratching or biting

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16
Q

What is this tumour?

A

Haemangioma

18
Q

What is this tumour?

A

Fibrosarcoma

19
Q

Features of a lipoma

A

Large, white and nodular

21
Q

Types of epithelial tumours

A

benign often keratin producing masses (epidermal and follicular cysts, benign hair follicle tumours)

sebacious adenoma

papilloma

squamous cell carcinoma

22
Q

Name the different mesenchymal tumours

A

Lipoma - liposarcoma

Haemangioma - haemangiosarcoma

Fibroma

soft tissue sarcoma

fibropapilloma

sarcoid

23
Q

What is this on a horse?

A

Verrucous type sarcoid

24
Q

What is this on a horse?

A

Proud flesh sarcoid

25
Q

What tumours are present?

A

occult sarcoid

26
Q

Round cell tumours

A

Benign cutaneous histiocytoma

mast cell tumour

plasmacytoma

lymphoma

transmissable venereal tumour

27
Q

Viral Papillomas (warts) aetiology (causes)

A

Caused by specific host papillomaviruses in young animals (1-3 years)

28
Q

Feline squamous cell carcinoma pathogenesis

A

Actinic keratosis with dysplastic foci -> UV induced lesions -> in situ carcinoma -> invasive carcinomas

29
Q

List the skin tumours associated with UV light exposure

A

Squamous Cell Carcinoma (secondary)

Haemangioma

Haemangiosarcoma

Malenoma

31
Q

What is this?

A

Sebaceous gland adenoma

32
Q

What is this lesion?

A

Squamous Cell Carcinoma

HLI (12 decks)

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