Transcript Skin Cancers PPT

Neoplasms
(Growths)
Neoplasms
1. Moles
Pigmented Moles
•Benign growth of
Melanocytes
Moles
Neoplasms
2. Warts
WARTS!!!
• Caused by Human
Papillomavirus (HPV)
WARTS!!!
• Caused by HPV
WARTS!!!
• Caused by HPV
WARTS!!!
• Foot or Plantar Warts
Neoplasms
3. Skin Cancer
Skin Cancer
• Most common cancer
–20% will develop
one
• Benign – does not
spread to other parts
Skin Cancer
• Malignant – spreads to
other organs
–Metastasis – process of
spreading
Skin Cancers
• UV radiation
Sun-induced
A. Basal Cell
Carcinoma
• Basal Layer
• Least malignant
• Most common
Basal Cell Carcinoma
• Invades dermis and
hypodermis
Basal Cell Carcinoma
Shiny dome-shaped nodules
Basal Cell Carcinoma
Mainly in fair- complexions
Basal Cell Carcinoma
Tx – Surgical Removal
Cure rate – 99%
B. Squamous Cell
Carcinoma
• 2nd Most Common
• Stratum granulosum
• Scaly, reddened, and
raised border
Squamous Cell
Carcinoma
Squamous Cell
Carcinoma
• If removed, usually
complete cure
Squamous Cell
Carcinoma
Metastasis can occur
C. Malignant Melanoma
• Cancer of
Melanocytes
• ~5 % of skin cancers
Malignant Melanoma
• Numbers increasing
• Prognosis: Poor
• Most deadly of 3
–50% survival w/
treatment
• Rapid metastasis
Malignant Melanoma
• Wherever there is melanin
Malignant Melanoma
• Look for new moles or
pigmented spots that
appear
– ABCD rule for
recognizing melanoma
A – B – C – Ds of Melanoma
•Asymmetrical
–2 sides do NOT match
A – B – C – Ds of Melanoma
• Border
– Uneven edges
A – B – C – Ds of Melanoma
•Color change
–Spot contains different
colors
A – B – C – Ds of Melanoma
•Diameter
–Spot larger than 5mm (pencil
eraser)