Lecture 10: Benign Lesions and Pre-malignant skin lesions Flashcards

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1
Q

Benign Lesions of the Skin Includes:

A
Seborrhoeic Keratoses
Viral warts
# Cysts
Dermatofibromas
Lipomas
Angiomas
Pyogenic Granulomas
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2
Q

Patient presents with an encapsulated lesion on the skin, it contains fluid and is firm but mobile on the skin. What is it?

A

A cyst. Most likely an epidermoid cyst

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3
Q

How would you treat a cyst in the skin?

A

Excise

If they’re infected you’ll need:

  • Antibiotics
  • Intralesional steroids
  • Incision & Drainage
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4
Q

Patient presents with rough hyperkeratotic surfaces containing black spots of blood vessels. Mainly around the fingers. What is it?

A

Viral Wart. Brought on by the HPV virus

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5
Q

How do we treat viral warts?

A

Chemical paints and cryotherapy to stimulate immune system

Currete severe or painful ones.

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6
Q

Patient comes in with multiple “warty” growths with a stuck on appearance. They have nearby cherry angiomas. ?

A

Seborrhoeic Keratoses

They’re pretty normal

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7
Q

How would you treat seborrhoeic keratoses?

A

Mostly leave them, they may even fall off themselves.

If they’re troublesome you can currette them or use cryotherapy

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8
Q

What do you think if seborrhoeic keratoses appear suddenly? (multiple warty “stuck on” growths)?

A

Leser-Trelat Syndrome

Its a paraneoplasic syndrome resulting from GI adenocarcinomas

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9
Q

Most people have firm fibrous nodules that are pale pink/brown and may be itchy/tender. What are htey?

A

Proliferations of fibroblasts at the site of minor trauma e.g. insect bites known as dermatofibromas

they dimple when you pinch them

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10
Q

How would you approach a dermatofibroma

A

Leave it unless its causing itching or tenderness, or if its potentially developing malignancy.

then you must excise it

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11
Q

Patient presents with a smooth rubbery subcutaneous mass thats quite mobile. its completely asymptomatic. What is it?

A

Probably a lipoma (benign adipose tumour)

If its tender that might indicate an angiolipoma

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12
Q

A patient comes in with a number of red nodules with spider naevi, upon dermatoscopy you see venous lakes in the nodule. what is it?

A

An angioma.
Due to proliferation of blood vessels

Often found during pregnancy or liver disease

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13
Q

How do treat an angioma

A

Excision or laser ablation

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14
Q

Patient with a red raw growth on hand that bleeds?

A

Pyogenic Granuloma

You want to currette it and then thermally cauterize it

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