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Flashcards in Pilosebaceous unit Deck (20):
1

What are the 4 segments of the pilosebaceous unit?

keratinized follicular infundibulum
hair
sebacous gland
sebaceous duct

2

People who develop too much sebum have what pathology?

seborrheic dermatitis

3

What are some common features of Acne fulminans?

primarily occurs in men 13-16
characterized by abrupt eruption of nodular and suppurative acne with systemic manifestations
arthralgias, myalgias and HSM
lesions are inflamed and coalesce into painful and oozing friable plaques with hemorrhagic crusts

4

What is the occulusion triad?

acne conglobata, Hiradenitis suppurativa, and dissecting cellulitis (pilonidal cyst)

5

What are common features of acne mechanica?

result of mechanical and frictional obstruction of the pilosebaceous unit
often characterized by linear and geometric distribution

6

What are common features of Acne exoriee?

result of excoriation and manipulation
often associated with mental disorder

7

What drugs tend to cause drug-induced acne?

anabolic steroids, corticosteroids and lithium

8

What hormone tends to cause infantile acne?

DHEA

9

What are common retinoids?

tretinoin and adapalene

10

what do retinoids do?

normalizes follicular keratinization, expulsion of existing comedones and prevention of new lesions

11

What is BPO

a topical anti-inflammatory agent

12

Which of the oral antibiotics cause photosensitivity?

tetracycline, doxycycline, and isotretinoin

13

which of the oral antibiotics cause myalgias and arthraligias?

minocycline and isotretinoin

14

What is the treatment for grade 1 acne?

topical retinoids and BPO

15

What is the treatment for grade 2 acne?

topical retinoids, BPO and topical antibiotics

16

What is the treatment for grade 3 acne?

topical and systemic therapy

17

what is the treatment for grade 4 acne?

systemic isotretinon

18

What are the secondary diagnostic features of rosecea?

burning/stinging especially on malar cheeks, xerosis of central face, edema, ocular manifestations and rhiophyma

19

What is the treatment for steroid rosacea?

topical calcinerhin inhibitors or systemic antibiotics

20

What are some treatments for hyperhidrosis?

aluminum chloride
oral anti-cholingergics
botulinum toxin
surgical sympathectomy