MSK Flashcards
In which disease is sonic hedgehog implicated?
Basal cell carcinoma
which disease has red, elevated, oozing and crusted lesions
Eczema
Which disease involves Langerhans cells
Eczema
Multifactorial immunological disease
Psoriasis
Keratinocyte hyper proliferation is present in
Psoriasis
Downward elongation of rate ridges is present in
Psoriasis
HPV is implicated in
Verruca Vulgaris
IgG, Fishnet pattern are typical signs of
Pemphigus Vulgaris
Exophytic proliferation of basal cells with horn cysts is representative of
Seborrheic keratosis
Seborrheic keratosis is benign or malignant
Benign
Sun-related skin infection is
Actinic keratosis
Actinic keratosis can progress to
Squamous cell carcinoma
red scaling plaques that respond well to early treatment are
squamous cell carcinoma
2nd most common tumor
squamous cell carcinoma
slow growing tumor cells
basal cell carcinoma
Rodent ulcer: pearly papules that ulcerate and invade adjacent skin
BCC
Palisading tumor cells are characteristic of
BCC
Nevus cells benign or malignant
Benign, induced to become senescent to prevent malignancy
Flat macule with slightly raised plaques variable pigmentation and irregular borders
Dysplastic nevi, progression to melanoma
2 stages of malignant melanoma growth
1) Radial
2) Vertical
Mutation in CDKN2A
malignant melanoma
Mutation of BRAF, NRAS or loss of function in PTEN
Malignant melanoma
ABCs of Melanoma
Asymmetry, Border, Color, Diameter, Evolution
Percentage of melanomas that carry a BRAF mutation
40-60%