derm zone Flashcards
after initial infection, what happens to herpes simplex virus?
becomes dormant and lies in the dorsal root ganglia of the spinal nerves for life
HSV1 is associated with oral/genital lesions
oral
HSV2 is associated with oral/genital lesions
genital
which CNs are associated with herpes zoster optics
CN VII
CN VIII
(auditory canal and throat)
which CNs are associated with herpes zoster opthalamicus
CN V1
definition of cellulitis
a pyogenic infection of subcutaneous fat and lower dermis
bugs which cause cellulitis
2/3rds strep pyrogens
1/3rd staph aureus
1st line therapy for cellulitis
fluclox
what does the pox virus cause in molluscum contagiosum
abnormal growth of keratinocytes (known as henderson-patterson bodies)
what can be seen in the molluscum contagious papule?
each has a central pit (umbillicated)
what is pityriasis versicolour
a common cutaneous yeast infection
which fungus causes pityriasis versicolour
malassezia (makes up normal flora)
what colour woods lamp for pityriasis versicolour
yellow / green
which infection causes erythema infectinosum
parovirus B12 / erythrovirus
what does the virus target in erythema infectinosum
haematopoeitic red cells in bone marrow
