Derm

Question 1

Acanthosis nigricans. Associated condition?

Answer 1

Insulin resistance. GI malignancy

Question 2

Multiple skin tags. Associated condition?

Answer 2

Insulin resistance. Pregnancy. Crohn’s Dz.

Question 3

Porphyria cutanea tarda OR cutaneous leukocytoclastic vasculitis (palpable purpura) 2/2 cryoglobulinemia. Associated infection?

Answer 3

Hep C

Question 4

Sudden onset severe psoriasis, recurrent herpes zoster, disseminated molluscum contagiosum. Associated infxn?

Answer 4

HIV

Question 5

Severe seborrheic dermatitis. Associated conditions?

Answer 5

HIV or Parkinsons

Question 6

Explosive onset of multiple, pruritic seborrheic keratoses. Associated condition?

Answer 6

GI malignancy

Question 7

Pyoderma gangernosum. Associated condition?

Answer 7

IBD

Question 8

What is the first antibody to appear in Hep B infxn?

Answer 8

anti-HBc IgM

Question 9

Lead pipe colon on imaging, loss of haustra. DX?

Answer 9

UC

Question 10

Skin w stuck on/waxy appearance

Answer 10

Seborrheic keratosis

Question 11

red plaques, silvery-white scales, sharp margins. Dx?

Answer 11

Psoriasis

Question 12

Most common type of skin cancer?

Answer 12

Basal cell carcinoma

Question 13

Honey crusted lesions

Answer 13

impetigo

Question 14

+ Nikolsky sign

Answer 14

pemphigus vulgaris. older patients. really bad.

Question 15

• Nikolsky sign

Answer 15

bullous pemphigoid. Really old pts. 
Hemidesmosomes
-subepidermal cleavage
-No acantholysis
-Linear IgG at basement membrane
-Urticarial or eczematous prodrome
-TEnse bullae
-Rare oral/mucosal involvement
Tx: steroids

Question 16

flat-topped papules

Answer 16

Lichen planus
A chronic, inflammatory disease characterized by skin and/or mucosal lesions. Skin lesions are characterized by the 5P’s (planar, polygonal, pruritic, purple papules, and plaques). Involvement of the oral mucosa manifests as reticular white lines (Wickham striae).

Question 17

Irislike target lesions

Answer 17

erythema multiforme

Question 18

lesion occuring in geometric pattern in areas where skin comes into contact w clothing or jewelry

Answer 18

contact dermatitis

Question 19

one large patch presents then many smaller ones appear, on trunk

Answer 19

pityriasis rosea

Question 20

flat, often hyoppigmented lesions on the chest and back. KOH prep has spagehetti and meatballs appearance

Answer 20

Tinea (pityriasis) versicolor

Question 21

Premalignant lsion from sun exposure that can lead to squamous cell carcinoma

Answer 21

Actinic Keratosis

Question 22

Crusting vesicles in all stages of evolotion on body

Answer 22

primary lesions of varicella

Question 23

acne vulgaris bacteria and most intense treatment

Answer 23

pripionibacterium. oral isotretinoin is last ditch tx. requires monthly blood test

Question 24

Exophytic nodules on the skin with scaling or ulceration

Answer 24

second most common type of skin cancer: SCC

Question 25

Describe findings of erythema marginatum. what dz is it a classic finding for?

Answer 25

centrifugally expanding pink rash. painless and non-pruritic. the E of JONES criteria in acute rheumatic fever.