PTG 105-Exam 4-Soft Tissue 6
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What other disease does Keratoacanthoma mimic?
Squamous cell carcinoma
Why does Keratoacanthoma mimic squamous cell carcinoma?
It is fast growing
What group is Keratoacanthoma common in?
Men over 50
What areas of the body is Keratoacanthoma common?
Face, sun exposed areas
What is a Keratoacynthoma composed of?
Dome shaped nodule with keratin filled plug
What disease presents as a domed shaped nodule with a keratin filled plug?
What is another term for Verrucae?
What is another term for warts?
What group is Verrucae common in?
Children/adolescents (though any age)
What causes Verrucae?
DNA virus =HPV
What does a Verrucae look like?
raised horny lesions
How is Keratoacanthoma treated?
Is not, because it is self limiting
How are Verrucae treated?
What are the four types of Verrucae?
- Verruca vulgaris
- Verruca plana
- Veruca plantaris
- Condyloma acuminata
What is Verruca vulgaris?
Common wart on hands and feet
What is Verruca plana?
What is Verruca plantaris?
Soles of feet
What is Condyloma acuminata?
What is the term for Common wart on hands and feet?
What is the term for Flat wart?
What is the term for Soles of feet?
What is the term for Veneral warts?
What type of wart makes cauliflower like masses on the skin?
What is actinic keratosis?
Age related change due to many years of sun exposure
What group is actinic keratosis found in?
What is the major concern of actinic keratosis?
- Pre-malignant and may develop into squamous cell carcinoma
- approx. 25%
What does Actinic keratosis look like?
Multiple brown lesions on the skin with rough surface
Where is Actinic keratosis most commonly found?
On sun exposed areas
What is the pathology of actinic Keratosis?
Squamous dysplasia with elastasis (sun damage)
Describe Squamous cell carcinoma?
- tumor in sun exposed areas that can metastasize
- Good prognosis
What is the prognosis of squamous cell carcinoma?
Where does squamous cell carcinoma metastasize to?
regional lymph nodes
What are the etiological agents of Squamous cell carcinoma 8?
- UV light DNA damage
- tar and oils
- tobacco chewing
- immune suppression/chemo
- burn scar
- chronic ulcers
What is the most common skin cancer?
Basal cell carcinoma
What percentage of skin cancer is basal cell carcinoma?
Does Basal cell carcinoma metastisize?
Where is most basal cell carcinoma found?
What does basal cell carcinoma look like?
Describe the treatment for basal cell carcinoma?
Indolent course, no treatment
How deep does basal cell carcinoma go into the skin?
Usually shallow, can go deep
What is the name for a deep rooting basal cell carcinoma?
What is another term for a Nevi?
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