None.
1.8 Cyst
Synonyms
Definition/Description
Cyst: a nodule consisting of liquid or semi-solid material surrounded by a capsule located in the dermis. Pseudocyst is different due to lack of capsule/epithelial wall.
Localization
May appear anywhere on body; can be solitary, localized or disseminated.
Course
May progress to infection, necrosis, ulcer or scar.
Typical Dermatoses
Epidermoid cyst, trichilemmal cyst, hidradenitis suppurativa, severe acne.
Pathophysiology
Retention of secretions (epidermoid cyst/trichilemmal cyst).
