DNA Virus Flashcards
Naked icosahedral
Single-stranded linear DNA virus
Parvovirus
ERYTHEMA INFECTIOSUM (FIFTH DISEASE)
Parvovirus
APLASTIC CRISIS
Parvo Virus
Second trimester: Hydrops Fetalis
Parvo Virus
can be used with aplastic crisis
IVIG
acute hemorrhagic cystitis
Adenovirus
Cowdry type B intranuclear basophilic inclusion bodies
Adenovirus
Naked icosahedral
Double-stranded circular DNA
HPV
Naked icosahedral
Double-stranded circular DNA
Papovaviridae
- Infect squamous cells and induce formation of cytoplasmic vacuole (koilocytes)
HPV
verruca vulgaris
HPV 1,2,3,4
Genital warts (condyloma acuminata
HPV 6,11
Most common viral STD
HPV Condyloma Acuminata HPV 6,11
Carcinoma of the cervix, vulva, penis, anus
HPV 16,18,31,33
Genital warts DOC
Podophylin
Skin warts DOC
Liquid Nitrogen
Plantar Warts DOC
Salicylic acid
small, round, deeply basophilic nuclei surrounded by a clear
halo and pale-staining cytoplasm
Koilocytes - HPV
progressive multifocal leukoencephalopathy in patients with AIDS
JC Polyoma v.
Demyelinating disease that affects the oligodendrocytes characterized by deficits in speech, coordination, and memory
rogressive multifocal leukoencephalopathy -> JC Polyoma v
hemorrhagic cystitis and nephropathy in patients with solid organ (kidney) and bone marrow transplants
BK Polyoma v. (BK - Bladder and Kidney)
Decoy cells
Bk Polyoma
HSV 1 Transmission
Saliva/ Direct
HSV 2 Transmission
Sexually transmitted
TORCH
HSV 2 - Neonatal Hepres
Temporal lobe encephalitis
HSV 1
Site of Latency HSV 1
Trigeminal Ganglia
Site of Latency HSV 2
Lumbosacral Ganglia
HSV Tszanck
Tzanck smear: multinucleated giant cells
Cowdry Type A:
Cowdry Type B:
Type A: HSV, VZV
Type B: Adeno
DOC HSV
Acyclovir - only shortens duration and decreases shedding
the most common cause of sporadic, fatal encephalitis in the USA
HSV 1
VZV Latent site
Dorsal root ganglia
dewdrop on a rose petal appearance’
VZV
begins on trunk; spreads to face and extremities (centrifugal)
Varicella
Complications Varicella
Complications: Pneumonia, Encephalitis, Reye’s syndrome (Asrpirin also)
most common complication of Herpes Zoster/ Shingles
Poestherpitic neuralgia
Reactivation of latent VZV residing within geniculate ganglion
Ramsay Hunt/ Herpes Zoster Oticus