Morphology of rashes/lesions Flashcards by Megan McLaren | Brainscape

Q

what is a macule

A

flat lesion <4mm

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Q

what is a papule

A

raised lesion <4mm

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Q

what is a patch

A

flat lesion >4mm

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Q

what is a plaque

A

raised lesion >4mm

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Q

what is a vesicle

A

fluid filled lesion <1cm

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Q

what is a bulla

A

fluid filled lesion >1cm

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Q

what is a nodule

A

raised, solid lesion >1cm

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Q

what is an erosion

A

superficial break in the epidermis

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Q

what is an ulcer

A

deep break in dermis and epidermis

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Q

what is purpura

A

purple pigmentation that does not blanche

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Q

what is petechiae

A

1-2mm of purpura

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Q

what is a wheal

A

compressible dermal swelling

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