Chapter 39 - Adnexal Diseases

Question 1

What anatomic locations does phrynoderma favor?

Answer 1

The extensor surfaces, especially the upper forearms and thighs. The face is the last site to become involved, and the hands and feet are spared.

Question 2

Can deficiencies of vitamins other than vitamin A cause phrynoderma?

Answer 2

Yes; deficiencies of vitamin E, vitamin B, and essential fatty acids have been known to cause phrynoderma

Question 3

True or false: the only way to cure pseudofolliculitis barbae is to stop shaving.

Answer 3

True

Question 4

True or false: pseudofolliculitis can occur in the beard area, on the anterolateral neck, and moustache area.

Answer 4

False; pseudofolliculitis can occur on the beard area, anterolateral neck, but NOT the moustache area, even if this area is shaved

Question 5

Are comedones present in acne keloidalis?

Answer 5

No

Question 6

What is the term that is sometimes applied to the four diseases within the follicular occlusion triad, as an all-inclusive disease term?

Answer 6

Acne inversa

Question 7

What is the other term for Verneuil’s disease?

Answer 7

Hidradenitis suppurativa

Question 8

What is exacerbated by application of agents in a direction opposite that of hair growth?

Answer 8

Irritant folliculitis

Question 9

What do you see on Tzanck smear or biopsy in herpes simplex folliculitis?

Answer 9

Multinucleated giant cells

Question 10

What are some common categories of medications that can cause drug induced folliculitis?

Answer 10

Corticosteroids, androgenic hormones, iodides, bromides, lithium, isoniazid and anticonvulsants

Question 11

How long after sun exposure does an actinic folliculitis eruption occur?

Answer 11

Several hours, on sun exposed skin, but spares face

Question 12

What are the 3 types of eosinophilic folliculitis?

Answer 12

Eosinophilic pustular folliculitis, immunosuppression/AIDS-associated eosinophilic folliculitis, and eosinophilic pustular folliculitis in infancy

Question 13

How long do lesions of eosinophilic folliculitis last for?

Answer 13

Explosive onset, lasts 7-10 days. Spontaneous involution followed by relapses (on average every 3-4 weeks)

Question 14

At what CD4 count do HIV patients start noting AIDS associated eosinophilic folliculitis?

Answer 14

CD4 count <300 cells/mm3

Question 15

How is eosinophilic pustular folliculitis of infancy different from adult EPF?

Answer 15

Infants have primarily scalp involvement, and is often accompanied by secondary crusting

Question 16

me the 4 types of disorders within the spectrum of keratosis pilaris atrophicans.

Answer 16

Keratosis pilaris atrophicans faciei, atrophoderma vermiculatum, keratosis follicularis spinulosa decalvans , folliculitis spinulosa decalvans

Question 17

What does IFAP syndrome stand for?

Answer 17

Ichthyosis follicularis with atrichia and photophobia syndrome

Question 18

How do you confirm a diagnosis of phrynoderma?

Answer 18

Measure serum vitamin A levels, <30μg/100 ml

Question 19

What are the 4 types of sycosis?

Answer 19

Barbae, lupoid, mycotic, and herpetic

Question 20

How deep do you have to go for punch excisions of acne keloidalis papules?

Answer 20

The punch must extend below the level of the hair follicle to be successful

Question 21

What are potential complications of HS?

Answer 21

Anemia, secondary amyloidosis, lymphedema, and fistulae to the urethra, bladder, peritoneum and rectum, hypoproteinemia, nephrotic syndrome, arthropathy, SCC

Question 22

True or false: infliximab is considered an effective treatment for severe hidradenatis suppurativa

Answer 22

True

Question 23

Where is the occlusion in hidradenatis suppurativa?

Answer 23

The pillosebaceous units ( follicular infundibula) within intertrigenous zones

Question 24

In acne koloidalis what are the types of hair penetration?

Answer 24

1. Intrafollicular

2. Transfollicular

Question 25

What are the major forms of deep folliculitis?

Answer 25

1. Furuncles
2. Sycosis
3. Pseudofolliculitis barbae
4. Acne keloidalis
5. HS

Question 26

What’s is the other name of eosinophilic pustular folliculitis?

Answer 26

Ofuji’s disease

Question 27

What is the cause of phrynoderma?

Answer 27

Vitamin A deficiency