7 viral infections Flashcards
herpes on shaved face
herpes barbae
abraded areas in wrestlers herpes
herpes gladiatorum/scrumpox
diffuse herpes infection in pts with chronic skin dzz: which dzz and whats the name
eczema herpeticum (Kaposi's varicelliform eruption) diffuse HSV infection in pts with pemphigs, Darier's and eczema
characteristic varicella skin lesions
vesicles surrounded by erythema
dewdrop on a rose petal
eczema herpeticum (Kaposi’s varicelliform eruption)
diffuse HSV infection in pts with pemphigs, Darier’s and eczema
zoster without rash
zoster sine herpete
pain without vesciels in prodromic zoster
pain without vesciels in prodromic zoster
zoster sine herpete
dewdrop on a rose petal)
varicella rash
herpes barbae
shaved face
facial paralysis, hearing loss, vertigo
ramsay hunt
chronic fatigue syndrome infx
mononucleosis
paul-bunnel heterophil Ab
Ig that agglutinate sheep erythrocytes in mono
Ig that agglutinate sheep erythrocytes in mono
paul-bunnel heterophil Ab
3 enterovirus dzz
hand foot mouth
herpangina
acute lymphonodular pharyngitis
measles aka and cause
rubeola, 9 day measles
paramyxovirus
rubeola
measles
paramyxovirus
measles 3 symptoms
coryza cough conjunctivitis
koplik spots
measles
erythema with blue/white macules (grains of salt on red background)
syncytial giant cells
erythema with blue/white macules (grains of salt on red background)
measles
rubella aka and cause
german measles
Togavirus (rubivirus)
congenital rubella
deafness, heart disease, cataracts
forchheimer’s sign
rubella
small dark red papule on soft palate extending into hard palate
testicle involvement which virus
mumps
epididymoorchitis
acute self limited viral syndrome
nonspecific signs after HIV contact, last a few weeks
AIDS related complex
candida, herpes, hairy leukoplakia, LAD
AIDS dementia complex
CNS involvement + other indx (eg TB, CMV)
DILS
diffuse infiltrative lymphocytosis syndrome: increased NHL risk, 2/2 CD8 infiltration
other name for herpetic whitlow
herpetic paronychia
ballooning degeneration
nuclear clearing and enlargement in viral infections
acantholytic epithelial cells, free floating
Tzanck
risk of benzocaine in children
methemoglobinemia
methemoglobinemia increased iatrogenic risk
benzocaine in children
varicella latency site
dorsal spinal ganglia
oral varicella site
vermilion bordr and palate
white vesicles –> rupture
gingival involvement varicella vs herpes
varicella relatively painless
mnost common complication of varicella in children
skin infections
most common complicatin of varicella in adults
pneumonitits
phasees of zozter
prodrome, acute (vesicles), chronic (post-herpeitc neuralgia)
zoster most common site
66% thoracic dermatome
oral zoster spectrum
white opaque vesicels that rupture
bone necrosis with loss of teeth 2/2 blood vessel damage
zoster on tip of nose
nasociliary branch of trigeminal nerve
post herpatic neuralgia how common
15%, 1-6 months after rash
mononucleosis presentation
fever, prominent cervical LAD, oropharyngeal tonsillar enlargement, soft palatal petechiae
NUG like lesions
CMV histo
owl eye (PAS and GMS +) in vascular endothelium and salivary ductal epithelium
tx for CMV
ganciclovir; foscarnet 2nd line
CMV oral
acute sialadenitis (xerostomia, swelling, pain) chornic ulcerations (often coinf with HSV)
enteroviruses h&n patterns
herpangina: 2-6 lesions (vesicles then ulcers) in posterior soft palate
hand foot mouth: 1-30 lesions (vesciles then ulcers) not confined to posterior mouth
Acute lymphonodular pharyngitis: 1-5 nodules (lymphoid aggregates), no vesiculation or ulceration
measles aka and cause
aka rubeola aka 9 day measles
paramyxovirus Morbillivirus
measles classic presentation
3Cs: cough, cnjunctivitis (1 stage), rash (2 stage); rash and fever subside (3 stage)
koplik spots where when what
measles
erythema w small blue/white macules (grains of salt on red background)
foci of epithelial necrosis
1 stage of measles
oral presentation of measles
koplik spots
candidiasis, NUG and necrotizing stomatitis (if malnourished)
neuro complication of measles
subacute sclerosing panencephalitis
personality changes, seizures, coma, death
subacute sclerosing panencephalitis
after measles
personality changes, seizures, coma, death
measles histo
syncytial giant cells, Warthin Finkeldey giant cells (multinucleated giant lymphocytes)
multinucleated giant lymphcytes
Warthin Finkeldey in measles
rubella aka and cause
aka german measles aka 3 day measles
togavirus (rubivirus)
congenital rubella
deafness, heart dz, cataracts
mumps cause and classic look
paramyxovirus (rubulavirus) SG enlargement (75% bilateral, usually parotid)
most common findings in mumps (2)
SG enlargement (75% bilateral, usually parotid) epididymoorchitis (testicle involvmenet in 25% pts)
intraoral mumps
swelling/redness of whartons and stensens duct, enlargement of FOM