Diseases of the Skin

Question 1

Folliculitis

Answer 1

Inflammation of the hair follicles, often pruritic (itchy).

Question 2

Causes of folliculitis

Answer 2

Staph, strep, pseudomonas. Mechanical occlusion, inflammatory response.

Question 3

Treatment of folliculitis

Answer 3

Mupirocin

Question 4

Abscess

Answer 4

Walled off space with pus, usually infected and typically painful. Mostly caused by staph aureus

Question 5

Furuncle

Answer 5

Walled off abscess that evolved from a superficial folliculitis

Question 6

Carbuncle

Answer 6

A group of coalesced furuncles.

Question 7

What does a pointing abscess require?

Answer 7

Incision and drainage

Question 8

Treatment of carbuncles?

Answer 8

Oral cephalexin and muprocin orally

Question 9

MRSA

Answer 9

Treat with vancomycin

Question 10

Impetigo appearance?

Answer 10

Honey crusted rash, caused by S. pyogenes or S. aureus. Often seeds at a previous defect in skin like a bug bite.

Question 11

Bullous impetigo

Answer 11

Collarettes of scale around unroofed bullae

Question 12

Cellulitis

Answer 12

Infection of dermis and subcutis, due to break in skin.

Question 13

Cause of cellulitis

Answer 13

Staph aureus and GAS

Question 14

Four signs of cellulitis

Answer 14

Rubor, tumor, calor, dolor

Question 15

Erysipelas

Answer 15

Superficial bright red cellulitis with lymphatic involvement, usually caused by GAS.

Question 16

Sandpaper rash?

Answer 16

Scarlet fever

Question 17

Petichial rash and photophobia?

Answer 17

Meningitis

Question 18

Rose spots?

Answer 18

Salmonella typhi (blanching bacules and papules on chest and abdomen)