21. Microbio: Viral/Fungal/Parasitic Pathology Flashcards
Virus can either be
RNA or DNA but NEVER BOTH!
BQ: Virus common to produce latent (recurrence) infections
Herpes viruses
Herpes virus in Oral cavity (dormant in CN V)
HSV Type I
Primary lesion of HSV Type 1
- small mouth ulcerations associated with fever and malaise
Primary herpetic gingivostomatitis
Secondary lesion of HSV Type 1
- lip ulcerations
Herpes labialis
Type of HSV in genitals (dormant in sacral ganglia)
HSV Type 2 - genital: Sacral ganglia
DNA virus dormant in salivary glands
Cytomegalovirus
Dna virus assoc with “BIHHN”
EBV: Epstein Barr Virus “BIHHN” - Burkitts lymphoma - Infectious mononucleosis 💋 - Hodgkin’s lymphoma - Hairy leukoplakia - Nasopharyngeal carcinoma
“non hodgkin’s lymphoma”
- B lymphocyte malignancy
- Has african endemic variant
Burkitt’s lymphoma
(Kissing’s/mono) transferred through saliva. Caused by EBV and Cytomegalovirus
Infectious mononucleosis
Histologic of Hodgkin’s lymphoma
Reed-sternberg cells (enlarged lymphocytes)
White patches on tongue caused by EBV
Hairy leukoplakia
Carcinoma on the nasopharynx
Nasopharyngeal carcinoma
Virus dormant in the posterior root (sensory) ganglia of spinal cord
Varicella zoster virus
Causative agent of Chicken pox
Varicella zoster
Causative agent of Shingles
Herpes zoster
Recurrent chicken pox
Shingles
Chicken pox is commonly assoc with what disease that is characterized with HEPATOTOXICITY and ENCEPHALITIS
Reye’s syndrome
- hepatotoxicity and encephalitis
Lesions in shingles typically follow a ___ which is an area of skin that is mainly supplied by a single spinal nerve
Shingles : DERMATOME
Lesions are localized
Causative agent of Kaposi’s sarcoma
HHV 8: Human herpes virus 8
One of the LARGEST and most complex vieus known but it is completely irradicated
Small pox / Variola
Histologic inclusion bodies of Smallpox/Variola
Guarneri Bodies
Virus that causes pharyngitis, pneumonia and conjunctivitis
Adenovirus
Causes warts and cervical cancer
HPV: Human papilloma virus
Smallest double stranded DNA virus
Hepadnavirus (Hepa B virus)
Causes Hepatitis B
Hepadnavirus (Hepa B virus)
BQ: Incubation period of Hepa B
6 to 8 weeks
BQ: Only hepatitis virus that has DNA genome
Hepadnavirus (Hepa B virus)
BQ: Most difficult microorg to be eliminated in sterilization (2)
**Hepadnavirus (Hepa B virus) - most difficult to!!!
Pero difficult din yung SPORES (bacillus/clostridium)
Enzyme used by Hepadnavirus/Hepa B virus to allow viral replication
Reverse transcriptase
Vira antigen of Hepa B detected in serum during blood test
HBsAg
2 viral antigens of Hepatitis B
HBsAg - Hepa B surface antigen(more impt bec it can be detected in blood test)
HBcAg - Hepa B core antigen
Antibodies for Hepa B
HBsAb
Picornavirus
Hepa A
HepaDNAvirus
Hepa B
Flavivirus
Hepa C
Delta virus
Hepa D
–bago ka mag ka Hepa D dapat ngka hepa B ka muna
Calicivirus
Hepa E
Type of Hepatitis: Enteral (Fecal-oral) mode of transmission
Hepa A and E
Type of hepatitis with Parenteral and Sexual contact mode of transmission
Hepa B/C/D
RNA virus that causes rabies
Rabies virus - (Rhabdoviridae)
Histologic intracytoplasmic bodies of Rabies virus
Negri bodies
Transmission of rabies virus
Rabid animal bite
Disease caused by Poliovirus
Transmission: Fecal - oral
Affects anterior horn of spinal cord - MOTOR (“SPAM”)
Poliomyelitis - Poliovirus
Muscle paralysis: ant horn affected=motor
Causative agent of common cold
Rhinovirus
Coxsackie A causes ulcers in the posterior of oral cavity which is called
Herpangina - Coxsackie A
2 Diseases assoc with Coxsackie A
Herpangina
Hand foor mouth disease
BQ: Causes FLU and Adult Viral Pneumonia
Influenza virus
Influenza virus contains spikes (2)
*neuramidase and hemagglutinin
Treatment for Flu and Adult viral pneumonia
Amantadine and Rimantidine
To prevent viral multiplication
BQ: Dse associated with koplik spots
Rubeola or measles
1 L = 1 word
Whitish lesion surrounded by bluish red areola assoc with Rubeola
Koplik spots
Causative agent of Rubeola
Paramyxovirus
BQ: Causes Rubella or german measles
Togavirus
Gumraduate ung german
“German measles”
Rubella
2 L = 2 words
Complication assoc with Rubella or german measles
Congenital defects: deafness/microcephaly
BQ: paRRMyxoviruses
Rubeola
Respiratory synctial virus
Mumps
Causes viral pneumonia in INFANTS
Respiratory Synctial virus
Causes viral pneumonia in ADULTS
Influenza virus (orthomyxovirus)
Swelling of parotid gland (parotitis)
Mumps
2 Complications of mumps
Orchitis - inflammation of testes (assoc with sterility: must occur before or after pubertal; if during HIGH RISK)
Oophoritis - inflammation of ovaries
“Live attenuated” vaccine for MMR
MMR vaccine
Type of Vaccine used for tx of MMR using DEAD virus
Salk vaccine (sinalksalk 🔪)
Type of vaccine used for tx of MMR using alive but WEAKENED virus
Sabin vaccine - (save)