Describing Skin Lesions- Primary Morphology Flashcards
Primary Morphology
Flat vs Raised
Size
Constituency
A Flat Lesion
Has no raised borders; Feels as though it is part of the skin
You describe the size in
10mm
Flat lesion <10mm
Macule
Flat lesion >10mm
Patch
Raised lesion <10mm
Papule
Raised lesion >10mm
Plaque
Constituency
Is the raised lesion liquid filled, pus filled or solid
Liquid Filled <10mm
Vesicle
Liquid Filled >10mm
Bulla
Pus Filled
Pustule
Solid
Nodule
Another type of constituency that can be flat or raised
Blood
Petechiae
Non-palpable (Not Raised)
<3mm
This is a bit of blood beneth the skin that is <3mm.
Purpura
May be palpable
3-10mm
Ecchymosis
Non-palpable
>10mm
What is petechiae, purpura and ecchymosis considered
Non-blanchable
Non-blanchable
If you press down on the lesion it doesn’t go away. Some other types of lesions that are red (blood filled) if you press down on them they will turn white. Essentially pushing the blood out of them.
What is petechiae, purpura and ecchymosis generally due to
Thromboytopemnia
Thromboytopemnia
A low platlet count
Telangiectasia
Small dilated blood vessels
Urticaria
Red, rounded and raised rash- Allergic reactions (Hives)
Ulcers
Loss of epidermis and partial loss of dermis
Excoriation
(Scratch marks), Erosion of the skin that is linear in shape
