Infectious Diseases Flashcards
infectious disease wherein the mononuclear response is primarily plasma cells
syphilis
Coplik spots
Cough
Coryza
Conjunctivitis
Rubeola (Measles)
Rash: face then spreads to the body, confluent
Rubeola (measles)
Forschmeir spots
rubella (german measles)
low grade fever, then rash, then lymphadenopathy at 2nd week
Rubella (german measles)
high grade fever then rash (neck to extremities)
roseola (HHV 6)
dewdrops on a rose petal
VZV
(-) monospot test
large cells with atypia
intranuclear basophilic inclusions
CMV
virus associated with paracortical hyperplasia of LN
-) heterophile test (monospot
EBV = HHV 4
gram +, rod, non motile, non spore forming, (+) coagulated exudate with marked vascular congestion, interstitial edema, fibrin exudation
C. diphtheriae
facultative non-aerobe
G+, non-spore forming, motile rod, catalase positive, oxidase negative, beta hemolytic
causes granulomatosis infantiseptica
L. monocytogenes
Steeple sign, croup, mucousal erosion, hyperemia, copious mucopurulent exudate
Bordetella
pale necrotic centers with red hemorrhagic periphery, causes coagulative necrosis due to vasculitis, perivascurlar blue haze
pseudomonas
painful with shaggy non-indurated border with yellow-gray at base (genitalia), prominent buboes.
What is the causative agent?
Haemophilus ducreyi
beefy red ulcer with indurated borders which can lead to strictures (genitals); not prominent LN,
giemsa/Warthin-starry stain
Klebsiella granulomatis
[TB]
Ghon focus is usually found in which specific part of the lung
- Subpleural
- lower part of upper lobe
- upper part of lower lobe
[TB]
simmon focus is located in which specific part of the lung
- apex
[TB]
Ghon focus with pulmonary hilar involvement. What is this called
ranke complex
[TB]
TB spreads to adjacent parenchyma, erosions into bronchi or vessels resulting to effusions, empyema, obliterative fibrous pleuritis
miliary TB
most common form of extrapulmonary TB
scrofula
[TB]
macrophages filled with acid-fast bacilli but with rare granuloma formation
mycobacterium avium intracellulare
[TB]
Type of leprosy wherein there is a predominance of TH2, depressed CMI, and antibodies are not protective (causes GN and vasculitis)
lepromatous
[leprosy]
lepromin test positive is ____ type of leprosy
tuberculoid
[leprosy]
lipid-laden macrophages with globi is pahtognomonic of what type of leprosy
lepromatous
[stage of syphilis]
plasma cell rich infiltrate, proliferative endarteritis, dominance of macrophages, lymphocytes
primary stage