Chapter 5: Fluid-Filled Lesions Flashcards
What is Vesicle/Bulla?
A circumscribed, elevated, superficial cavity containing fluid.
What is the diameter of a Vesicle?
Less than 0.5 cm.
What is the diameter of a Bulla?
More than 0.5 cm.
What can be seen when often the roof of the vesicle is transparent?
The clear fluid (serum) in the cavity.
What are the blisters that occur with poison ivy?
Vesicles.
How does an Abscess on the skin presents initially?
As a tender red nodule. in time, pus collects within a central space.
What are Abscess commonly caused by?
A bacterium, usually Staph Aureus that has penetrated an open area of the skin.
What is a Cyst under the skin?
A closed pocket containing liquid or semisolid material and may be superficial or deep.
What happens when Skin Cysts enlarge or become inflamed?
They may need to be opened and drained.
What is the most severe form of acne?
Cystic acne.
