benign lesions Flashcards
melanocytic nevus
junctional vs
compound
aka mole
- flat or slightly elevated
- elevated
dysplastic (atypical) nevi
- Usually > 5 mm, flat or raised with “fried egg” appearance
- appear around puberty
- may become malignant down the road
seborrheic keratosis
stuck on appearance
overgrowth of skin cells
acrochordon
aka skin tag, cutaneous papilloma, soft fibroma
epidermoid cyst
.- sebaceous cyst, infundibular cyst, epidermal cyst
-implantation of epidermis into dermis
keloids
-claw like extension following an injury
MC in blacks
lipoma
Benign subcutaneous tumors of adipose tissue
Soft, rounded, and moveable against the overlying skin
Nevus Flammeus
Stork bite, erythema nuchae, Salmon patch
33% of infants
Nape of the neck, eyelid and glabella
Resolve spontaneously, but rare when on back of neck
capillary malformation
- aka port wine stain, nonblanchable
- 50% found on face following trigeminal nerve
- correlated w/sturge weber syndrome
sturge weber syndrome
- CM located on the ophthalmic branch of the trigeminal nerve
- malformations in vessels around the brain
Capillary Hemangiomas of Infancy
Soft, bright-red to deep-purple
Vascular nodule-plaque
Develops soon after birth
Disappears spontaneously by age 5, NO TX!!
Neurofibromatosis
Disorder of the nervous system that cause tumors to grow around the nerves
MC type of neurofibromatosis
Type 1 (NF1) (von Recklinghausen’s NF) causes skin changes and deformed bones and usually starts at birth
type 2 NF
- no skin inolvement
- 8th CN problems
Café au lait spots are the hallmark finding for
neurofibromatosis type 1…Not usually present at birth but appear during the first 3 years
