Morphology Flashcards
Small Flat lesion that is discolored
Macule - usually are from color changes in the epidermis
Multiple 3 to 10 mm pink tan colored round, flat, lesions with sharp irregular borders and varying sizes on his upper chest, back and flexures of the arms. **Primary lesion is a macule
Based on KOH study he is diagnosed with Tinea Versicolor
You want to say macula but it is raised … ?
Papule or plaque
You want to say macula but it contains fluid …?
Vesicles
You want to say macula but it is larger than 1 cm …?
Plaque
What does a macula tell you ?
Process is confined to the epidermis, Maculas are not raised and do not contain fluid.
Large plateu like raised lesion greater than 1cm ?
Plaque
What color is a skin colored lesion,
The same color as that patients skin
Several 3-10cm large raised plaques that are round and sharply circumscribed, salmon colored in appearance and scaley white substance on the surface. They are localized to the elbow, knee, and lower back
Psorias- chrnoic inflammatory condition T cell mediated.
What is a raised lesion less than 1 cm
Papule
A large deep papule
Nodule which is a proliferation of cells in the deep dermis
Small raised fluid filled lesion
Vesicle
A papule greater than 1cm
Bulla
A vesicle filled with puss
Pustule
Superficial loss of epidermis
Erosion
An erosion that involves the dermis
Ulcer
Traumatic lesion breaking the epidermis causing a red linear mark and is often self inflicted
Ecoriation
Thickened and rough skin characterized by prominent markings usually the result of repeated rubbings
Lichenification
Flat circumscribed area 5mm or less
Macule
Flat circumscribed area greater than 5mm
Patch
Elevated flat top lesion greater than 5mm
Plaque
Elevated dome generally less than 5mm
Papule
Elevated dome lesion greater than 5mm
Nodule
Discrete pus filled raised lesion
Pusatle
