cutaneous viral manifestations

Question 1

DNA viruses

Answer 1

HHAPPPy; herpes, hepadna, adeno, pox, papova, parvo

Question 2

What type of genetic material do the hepatitis viruses have

Answer 2

B is Hepadna (DNA). C is Flavivirus (RNA)

Question 3

RNA viruses

Answer 3

Flavivirus, picornavirus, arbo, retro, toga, parmyxo

Question 4

grouped vesicles on erythematous base. dormant in local ganglia. Complications?

Answer 4

HSV (dsDNA). eczema herpeticum

Question 5

which virus has ssDNA

Answer 5

parvovirus

Question 6

exanthem vs enanthem

Answer 6

spread over skin. spread over mucous membranes

Question 7

Targetoid lesions, esp on palms and soles. What is it and what do you think of

Answer 7

erythema multiforme, HSV

Question 8

dew drops on a rose petal: what virus and what family? how do you confirm?

Answer 8

chickenpox (VZV), herpes family. Tzanck smear- multinucleated giant cells

Question 9

Ramsay Hunt Syndrome

Answer 9

VZV infects geniculate ganglion of CN VII. Involves ear (tinnitus), facial paralysis,

Question 10

herald patch followed by christmas tree distribution of papules.

Answer 10

pityriasis rosea

Question 11

smallpox vs chickenpox papules

Answer 11

chickenpox presents at different stages, smallpox at same stage

Question 12

molluscum: virus family. When would you worry about HIV?

Answer 12

poxvirus (along with smallpox). Widespread eruptions on face

Question 13

Verruca vulgaris: what virus and what family

Answer 13

HPV, papovavirus.

Question 14

Condyloma acuminata: what? which are high vs low risk

Answer 14

anogenital warts. HIgh: HPV 16, 18. Low: HPV 6, 11.

Question 15

Fifth disease: what virus? common sign?

Answer 15

Parvovirus (ssDNA). Slapped cheek.

Question 16

Hand, foot and mouth dz: virus

Answer 16

coxsackie or enterovirus (RNA)

Question 17

What rashes warrant HIV testing

Answer 17

widespread molluscum lesions on face. Disseminate HSV (not just dermatomes, crossing midline)