Acid-fast Bacteria and Bacteria without Cell Walls Flashcards
Described as subpleural granuloma in primary tuberculosis
Ghon’s focus
Ghon’s focus with associated lymph node involvement
Ghon’s complex
Radiologically detectable calcification in primary tuberculosis infection
Ranke’s complex
Radiologic sign in apices of patients with reactivation tuberculosis
Simon’s focus
This virulence factor of M. tuberculosis acts as its antiphagocytic factor
Cord factor
Cavitation from tuberculosis can lead to secondary infection with this organism:
Aspergillus fumigatus
Large aggregates of lipid-laden macrophages described as “red snappers”
Lepra cells
Lepra cells and globi are histopathologic findings in:
Lepromatous leprosy
Drugs used in tuberculoid leprosy
Dapsone
Rifampin
Leonine facies are seen in
Lepromatous leprosy
Lesions at the angle of the mouth in congenital syphilis
Rhagades
Tabes dorsalis is caused by
Treponema pallidum
Ocular finding in tertiary syphilis
Argyll-Robertson pupil
Aoritis in tertiary syphilis is due to the involvement of the:
Vasa vasorum
Etiology of lyme disease
Borrelia burgdoferi
Characteristic lesion in tertiary syphilis
Gumma
Myocarditis in lyme disease shows this ECG finding
AV block
Characteristic lesion in secondary syphilis
Condyloma lata
Erythema chronicum migrans is caused by
Borrelia burgdoferi
Animal host of Borrelia spp.
Ixodes ticks
Characteristic lesion in primary syphilis
Chancre
Leprospirosis presents with tenderness most commonly in the
Calf
Most severe form of leptosporosis
Weil syndrome
Triad of Weil syndrome
Bleeding
Jaundice
Uremia
Histologic finding in trachoma
Halberstadter-Prowazek inclusions
C. trachomatis strains in chlamydia genital tract infections
D to K
Drug of choice in lyme disease
Doxycycline
Cough in late onset neonatal chlamydial pneumonia is described as
Staccato cough
Suppurative inguinal lymphadenitis seen in lymphogranuloma venereum
Buboes
Drug of choice in syphilis
Penicillin
This cause of walking pneumonia can also cause Guillain-Barré syndrome, Raynaud’s phenomenon, and Stevens-Johnson’s syndrome
Mycoplasma pneumoniae
Drugs used in lepromatous leprosy
Clofazimine
Dapsone
Rifampin
Most common cause of atypical pneumonia
Mycoplasma pneumoniae
Skin nodules in lepromatous leprosy
Erythema nodosum leprosum
Colonies of Mycoplasma pneumoniae in culture is described as:
Dome-shaped with “fried egg” or “mulberry” appearance
Three obligate intracellular bacteria
Chlamydia spp.
Mycoplasma spp.
Rickettsia spp.
Smallest organisms capable of independent replication
Mycoplasma spp.
Most frequently isolated rapidly growing mycobacteria from pulmonary, skin, and soft tissue infections
Mycobacterium abscessus
Virulence factor of mycobacteria that prevents lysosome fusion
Sulfatide
Mycobacterium classification that produces pigment in light and not in dark conditions
Photochromogens
Multidrug resistance of TB refers to resistance to (2)
Isoniazid
Rifampicin
XDR resistance refers to which drugs
Isoniazid
Rifampicin
Quinolone
Aminoglycoside (amikacin, capreomycin, kanamycin)
Most common extracellular form of TB infection
Tuberculous lymphadenitis
Photochromogen almost indistinguishable in presentation from tuberculosis
M. kansasii
