Skin Cancers Flashcards
What are the 3 MC skin cancers?
Basal cell carcinoma
Squamous cell carcinoma
Malignant melanoma
Who is at a greatest risk for skin CA?
blond hair. Blue eyes, fair skin Red hair & freckles Previous family or personal history previous severe blistering sun burns Extended sun exposure
What are the MC sites for skin CA?
ears, face, neck, and hands
Why are the MC sites MC?
Because receive most sun exposure
What are the ABCDE guidelines?
A - asymmetric surface or unequal halves B - border (irregular, notched, scalloped, indistinct) C - color (black, speckled, or mixed) D - Diameter (exceeds 6mm - pencil) E - evolving (any changes)
What is the A of the guidelines?
assymetry
What is the B of the guidelines?
Border
What is the C of the guidelines?
color
What is the D of the guidelines?
diameter
What is the E of the guidelines?
evolving
Malignant melanoma color is usually what?
black
A slow growing, malignant tumor of squamous epithelium.
Squamous cell carcinoma
Epithelial cell tumor that begins as a papule and enlarges peripherally, developing central crater that erodes, crusts, and bleeds.
Basal cell carcinoma
Is metastatic common in basal cell carcinoma?
No, rare
Does the basal cell carcinoma destroy tissues?
Yes, locally
What is the least aggressive skin cancer?
Basal cell carcinoma
Malignant melanoma originates in the skin composed of?
melanocytes
Melanoma usually happens where in men? Women?
Trunk in men
Legs in women
Which cancer is the smallest percentage but accounts for the most deaths?
Malignant melanoma
Squamous cell is common to skin and lungs but is also found where?
Nose, larynx, cervix, bladder, and anus
Kaposi’s sarcoma is associated with what?
AIDS, diabetes, and malignant lymphoma
Kaposi’s sarcoma metastasized to where?
Lymph node and viscera
Kaposi’s sarcoma starts in what area?
The feet
A malignant multifocal neoplasm of _______ cells beginning as soft brownish or purple papule on feet, slowing spreading to skin and metastasizing.
reticuloendothelial cells
Kaposi’s sarcoma