Viruses Flashcards
What are the 8 herpes viruses and what number are they?
1-Herpes Simplex virus-1 (oral herpes) 2-Herpes Simplex virus-2 (genital herpes) 3-HHV-3 (Varicella-zoster virus/VZV) 4-HHV-4 (Epstein barr/EBV) 5-HHV-5 (Cytomegalovirus CMV) 6-HHV-6 7-HHV-7 8-HHV-8 (Kaposi's sarcoma herpesvirus/KSHV)
Primary herpes infections may present orally as what in younger patients vs. 18+?
Young: Gingivostomatitis (usually before age 5)
18+: Pharyngotonsillitis
Where does a latent HSV-1 usually reside?
Trigeminal ganglion
Where are intraoral herpes simplex lesions almost always found?
Keratinized, bound mucosa
What are three histopathologic features of HSV?
1-Multinucleation
2-Ballooning degeneration
3-Tzanck cells (free floating)
Primary Varicella-zoster infection is called________ whereas a recurrence is called_______
Chickenpox
Shingles
*remains latent in dorsal spinal ganglia
What VZV condition is characterized by cutaneous lesions on the external auditory canal, ipsilateral face, facial paralysis, hearing deficits and vertigo?
Ramsay Hunt Syndrome
What is the main disease caused by EBV?
Infectious mononucleosis
*Diagnosed using Paul-Bunneli heterophil antibodies
CMV is common in what patient population?
AIDS patients
What are 3 oral health diseases caused by the enterovirus, coxsackievirus?
1-Herpangina
2-Hand-foot-and-mouth disease
3-Acute lymphonodular pharyngitis
What type of virus is Rubeola (measles)?
Paramyxovirus
*has 3 stages
What virus causes Rubella (German measles)?
Togavirus
What is another name for Mumps?
Epidemic Parotitis
*disease of exocrine glands
What are 5 diseases commonly associated with HIV?
1-Candidiasis 2-Oral hairy leukoplakia 3-Kaposi's sarcoma 4-Non-hodgkins lymphoma 5-Periodontal disease