Dermatology

Question 1

salmon color rash with overyling hyperkeratosis

Answer 1

psoriasis

Question 2

enhanced penetration occurs in

Answer 2

flexural areas
external occlusion (diaper)
open skin (excoriation)
heat
hydration

Question 3

follows after HSV infection in kids with atopic dermatitis

disseminated pruritic vesiculopapular lesions

Answer 3

kaposi’s varicelliform eruption

eczema herpeticum

Question 4

herald patch ( pink oval patch with central clearing)

Answer 4

pityriasis rosea

Question 5

pinpoint bleeding on removal of scale
sign?
dx?

Answer 5

auspitz sign

psoriasis

Question 6

most common soft tissue tumor in infancy

Answer 6

hemangioma

Question 7

posterior fossa abnormality
extensive cervicofacial hemangioma
arterial abnormality of cerebrovasculature
coarctaition of the aorta or cardiac defects
eye abnormalities

Answer 7

PHACE

Question 8

port wine stain

nevus flammmeus

Answer 8

sturge weber

encephalotrigeminal angiomatosis

Question 9

site of hemiparesis of port wine stain

Answer 9

contralateral

Question 10

site of intracortical calcification port wine stain

Answer 10

same side

Question 11

capillary and venous malformation
venouse varicosities
hyperplasia of soft tissue (often bone)

Answer 11

klippel trenaunay weber syndrome

Question 12

abrupt onset
round deep red
well demarcated macule/papule
dusky gray or bullous center

Answer 12

erythema multiforme

Question 13

nikolsky sign

Answer 13

ssss

Question 14

dewdrops on rose petal

Answer 14

varicella

Question 15

vesicles on erythematous base

Answer 15

herpes

Question 16

excessive number of mast cells
darier sign
appear in infancy and resolve in childhood

Answer 16

urticaria pigmentosa

Question 17

darier sign

Answer 17

stroking of skin leads to localised subcutaneous anaphylactoid reaction leading to mast cell degranulation

Question 18

erythema multiforme can appear after this infection

Answer 18

hsv

Question 19

infection that causes SJS or TEN

Answer 19

mycoplasma pneumoniae

Question 20

infectious cause SJS

Answer 20

mycoplasma pneumonia

Question 21

most common pathogen cellulitis

Answer 21

staph

strep

Question 22

most common pathogen necrotizing fascitis

Answer 22

staph
strep
klebsiella
e. coli
anaerobic