Lecture 4- Derm Flashcards Preview

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Flashcards in Lecture 4- Derm Deck (30):
1

what is the most common benign tumor in older individuals?

Seborrheic keratosis

2

what is the main purpose of the skin?

Maintain homeostasis

3

Radicular pain followed by the appearance of tense, grouped vesicles on an erythematous base in a dermatological distribution pattern

Shingles

4

complications of shingles

postherpatic neuralgia
ocular complications
disseminated dz (in more than one dematome)

5

how do you treat singles

Keep lesions clean with soap and water
mild analgesic
itches w/ antihistamine
possibly antivirals

6

when can you get a vaccination for shingles?

Over age 60
live attenuated virus

7

Initial manifestation – edema
Due to incompetent valves

venous insufficiency

8

The most common cause of arterial insufficiency is

atherosclerotic disease;

9

Normal veins that have dilated under the influence of increased venous pressure.

spider veins

10

spider veins occur in the elderly due to the elastic lamina of the vein becoming ______ and the smooth muscle layer beginning to degenerate

atrophic

11

how do you treat spider veins?

Sclerotherapy

12

are due to failure of the sphincteric muscle surrounding a cutaneous arteriole. This is caused by high levels of estrogen in the blood.

Spider angioma

13

what can spider angiomas indicate

liver disease, pregnancy, or vitamin B deficiency. Can be normal.

14

tx for spider angioma

Most resolve spontaneously.
Can treat underlying liver disease if that is the cause.

15

where are spider angiomas rarely found

below the waist

16

Is there an underlying conditions with cherry angioma?

No

17

Subcutaneous purpura of greater than 1 cm in diameter

Ecchymosis

18

significance of ecchymosis

Consider bleeding disorder, blood thinners, trauma, liver issues, kidney issues.

19

Deep red/reddish purple ecchymoses. Rounded, irregular, flat.
Appears on forearms often.

Actinic Purpura

20

treatment for actinic purpura

Laser therapy
Tretinoin: increases dermal collagen
Prevention

21

Whitish-yellowish, brown, black raised painless papule/plaque on the face, chest, shoulders, or back often in groups. Round, oval.

Seborrheic Keratosis

22

tx for Seborrheic Keratosis

Cryosurgery w/ liquid nitrogen.
Curettage.
Electrocautery.
Laser cautery

23

Common mole from pigmented cells appearing as a small brown, tan, skin-colored spot that is uniform in color.

benign nevi

24

Nevi tx

Surgical excision and surgical shave of the entire mole and margin or normal tissue.
Cosmetic concealing.

25

what is a precancerous lesion?

Actinic Keratosis

26

do actinic purpura blanch?

No

27

Pearly white or waxy bumps (often containing visible blood vessels)
Flat, scaly, brown, or flesh colored patch

Basal Cell Carcinoma

28

Usually appears on sun-exposed skin of fair skinned adults older than the age of 60.
Most commonly develop from the precursor lesion-actinic keratosis
Firm, red nodule
Flat sore with a scaly crust

Squamous cell carcinoma

29

texture of squamous cell carcioma

Sand paper like

30

what type biopsy should you use for melanoma?

Punch biopsy (not shave) need full thickness to stage