Benign Skin Disorders Lecture Powerpoint

Question 1

Nevi

Answer 1

Moles, benign pigmented lesion not caused by any outside catalyst, occurs when cells in the skin grow in a cluster opposed to being spread thruout, often appear in first 3 decades, can be congenital or dysplastic

Question 2

ABCDE of melanoma

Answer 2

Asymmetry border irregular Color more than one Diameter graeter than pencil eraser Evolving or changing

Question 3

Seborrheic keratosis

Answer 3

Most common benign superficial epidermal growth in adults that is common after age 30, can arise on all body surfaces except palms and soles and may be genetically influenced

Question 4

Leser trelat sign

Answer 4

A sudden increase in seborrheic keratosis #’s suggestive of internal malignancy in the body

Question 5

Seborrheic keratosis vs nevus

Answer 5

SK comes after age 30 whiles moles come in first decades of life, SK has a stuck on quality to it while a nevus grows out of the skin

Question 6

Seborrheic keratosis treatment

Answer 6

Often not needed, can be curetted or lightly frozen, but not a good idea to use cryotherapy as this will result in permanent scarring

Question 7

Stucco keratoses

Answer 7

Small white gray seborrheic keratoses that pepper the feet and ankles of older fiar skinned individuals and is harmles

Question 8

Actinic keratosis

Answer 8

Most common lesion with malignant potential to arise in the skin (precancerous), occurs due to overexposure to the sun creating rough or small spots on exposed areas that are raised, crusty and require treatment or else they may lead to squamous cell carcinoma

Question 9

Actinic keratosis treatment options (4)

Answer 9

-cryotherapy -keratolytic creams (salicylic acid) -5 FU cream -biopsy and excision

Question 10

Skin tag/acrochordon

Answer 10

Fleshy papule arising in the axila, neck, groin, or eyelids and often pedunculated with a stalk attaching to skin

Question 11

Skin tags can be a marker for this pathology…

Answer 11

…insulin resistance (type II diabetes)

Question 12

Cherry angioma

Answer 12

Caused by abnormal proliferation of blood vessels coming to the surface of skin resulting in benign red growth

Question 13

Pyogenic granuloma

Answer 13

A benign acquired vascular lesion of the skin 2ndary to skin trauma, lobular and extremely friable

Question 14

Pyogenic granuloma treatment

Answer 14

Excision, electrodessication, curettage and biopys

Question 15

Dermatofibroma

Answer 15

Benign cell proliferation that appears like a wad of scar tissue that dimples down upon pinching, more common in females due to shaving trauma

Question 16

Keloid

Answer 16

Shiny firm overgrowth of scar tissue beyond original scar site, often due to genetic influence and can be itchy or tender, not good to cut off causes scarring and comes back

Question 17

Keloid treatment

Answer 17

Only intralesional steroids will help

Question 18

Lipoma

Answer 18

Collections of fat under the skin with a soft rubbery texture that grows a few cm in diameter and is unknown cause but suspected to be genetic

Question 19

Lipoma treatment

Answer 19

Surgical excision (not covered by insurance completely elective)

Question 20

Epidermal inclusion cyst

Answer 20

Mobile subcutaneous nodule often with overlying punctum that does NOT arise from sebaceous glands, have a foul smelling white discharge, sterile and do not require antibiotics

Question 21

Milia

Answer 21

Tiny epidermoid cyst often on the face and tends to resolve in infancy but may persist if occur in adulthood

Question 22

Milia treatment

Answer 22

Very easy, pierce the surface, express the contents, and dress

Question 23

Pilar (trichilemmal) cysts

Answer 23

Firm, mobile subcutnaous nodules filled with keratin (don’t have discharge) nearly always on the scalp capable of reaching massive size and do not arise from sebaceous glands

Question 24

Sebaceous adenoma

Answer 24

Slow growing tumor often apeparing after age 50 that must be differentiated from basal cell CA, can be differentiated by location of telangiectatic vessels within valleys between hyperplasic sebacous cells opposed to being bunched up randomly like in basal cell CA

Question 25

Keratocanthoma

Answer 25

Benigh common epithelial tumor that rapidly grows and fills with keratin in center over 6 weeks often found in smokers and workers such as linemen due to occupational hazard

Question 26

Keratocanthoma treatment (4)

Answer 26

-cryotherapy -electrodessication -excision and biopsy -Mohs procedure

Question 27

Moh’s micrographic surgical procedure

Answer 27

Involves physician taking tiny shavings off skin from cancer cell site layer by layer until completely removed when measured microscopically to ensure complete excision

Question 28

Epidermal inclusion cyst treatment (2)

Answer 28

-complete excision of sac to prevent refilling -do NOT want to drain except when already abscessed

Question 29

What condition is this?

Answer 29

Seborrheic keratosis

Question 30

What condition is this?

Answer 30

Dermatofibroma

Question 31

What condintion is this?

Answer 31

Lipoma

Question 32

What condition is this?

Answer 32

Keratocantthoma