Describing a lesion Flashcards

1
Q

What are the 3 main areas to cover when describing a lesion?

A

DISTRIBUTION
(where is it)

CONFIGURATION
(how are the lesions arranged)

MORPHOLOGY
(what does it look like)

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2
Q

What areas would you cover when describing the distribution of a rash?

A

What part of the body is it on

Is it anterior or posterior

Is it unilateral or bilateral

Does it follow a dermatomal distribution

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3
Q

What areas would you cover when describing the configuration of a rash?

A

How are the lesions arranged

Is the rash widespread or localised

Are the lesions scattered

Is the rash confluent or diffuse

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4
Q

What areas would you cover when describing the morphology of a rash?

A

This refers to the ABCD approach - what the rash looks like

Asymmetrical/ symmetrical
Border
Colour
Diameter

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5
Q

Which terms are used to describe an extravasation of blood which won’t blanche?

A

Purpura (may be flat or raised)

Petechia - 1-2mm of flat purpura

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6
Q

What term is used to describe a vascular dilation which will blanche?

A

Erythema

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7
Q

A raised lesion of >0.5 cm is what?

A

Nodule

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8
Q

A raised lesion of <0.5 cm is what?

A

Papule

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9
Q

A flat lesion >1 cm is what?

A

Patch

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10
Q

A flat lesion <1cm is what?

A

Macule

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11
Q

A lesion with a raised edge and flat surface is referred to with which term?

A

Plaque

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12
Q

What term is used to describe a compressible dermal swelling?

A

Wheal

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13
Q

What term would you use to refer to a nodule containing semi-solid material?

A

Cyst

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14
Q

What term would you use to describe a fluid filled lesion >0.5cm?

A

Bulla

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15
Q

What term would you use to describe a fluid filled lesion <0.5cm?

A

Vesicle

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16
Q

What term would you use to describe a lesion willed with pus?

A

Pustule

17
Q

What term would you use to describe accumulated fragments of keratin layer?

A

Scale

18
Q

What term would you use to describe dried exudate?

A

Crust

19
Q

What term would you use to describe thickening and increased skin markings?

A

Lichenification

20
Q

What term would you use to describe a linear split in the epidermis/ dermis?

A

Fissure

21
Q

What term would you use to describe normal tissue which has been replaced by fibrous tissue?

A

Scar

22
Q

What term would you use to describe a lesion which has its surface intact but has a loss of the epidermis/ dermis?

A

Atrophy

23
Q

A lesion with a poorly defined border is more likely to be …
Benign Vs malignant

A

Malignant

24
Q

A lesion with a well defined border is more likely to be … Benign Vs malignant

A

Benign

The border may be irregular or regular

25
Q

What term would you use to describe a superficial breaking the epidermis?

A

Erosion

26
Q

What term would you use to describe a deep break into the dermis?

A

Ulcer