K
Kaposi Syndrome
Etiology:
Cause: HHV-8
Description: violaceous lesions
Location: LE, face, nose + hard palate
Kawasaki Disease
Etiology:
Medium-vessel vasculitis
Description: polymorphous / morbilliform (measles like) / targetoid skin lesions -> desquamating rash (peeling of extremities)
Location: trunk and extremities
Keloid
Etiology:
Cause: dysregulation of the normal healing process resulting in excessive production of collagen, elastin, proteoglycans, and extracellular matrix proteins
Description: Purplish-red, firm, smooth, and raised; can occur years after injury and grows beyond the initiating wound area
Keratoacanthoma (KA)
Etiology:
Cause: UV light + carcinogens
Description: dome shaped nodules that rapidly grows in 4-6 weeks; spontaneously regresses in most cases (50%)
Keratoderma Blennorrhagica
Etiology:
Associated with: reactive arthritis (Chlamydia)
Description: painless desquamative psoriatic-like papulosquamous eruption
Location: commonly found on the palms + soles but may spread to the scrotum, scalp, + trunk
Keratosis Pilaris (KP)
Etiology:
Cause: abnormal keratinization of the upper portion lining of the hair follicle
Description: ‘goosebump’ or ‘chicken skin’ appearance
Location: most common on posterior arms
Keratosis spinulosa
Etiology:
KID Syndrome
Etiology:
-
Associated conditions: blindness, alopecia, deafness