opprotunistic infections for dummies

Question 1

candida albicans

Answer 1

CD4<500

oral thrush –> scrapable plaque

Question 2

EBV

Answer 2

CD4<500

oral hariy leukoplakia ==> unscrapable plaque on lateral tongue

Question 3

bartonella henselae

Answer 3

CD4<500

bacillary angiomatosis with neutrophilic inflammation on biopsy

Question 4

hhv8 (kaposi)

Answer 4

CD4<500

lymphocytic infiltrate on biopsy

Question 5

cryptosporidium

Answer 5

CD4<500

chronic, watery diarrhea, acid fast oocysts in stool

Question 6

pneumocystis jirovecii

Answer 6

CD4 < 200

PNA, ground glass on cxr, elevated serum lactate DH

Question 7

JC virus reactivation

Answer 7

CD4 < 200

progressive multifocal leukoencephalopathy with nonenhancing areas of demyelination on MRI

Question 8

aspergillus fumigatus

Answer 8

CD4<100

hemoptysis, plueritic pain, cavitation of infiltrates on cxr

Question 9

histoplasma capsulatum

Answer 9

CD4<100
nonspecific sx
oval yeast cells within macs

Question 10

candida albicans

Answer 10

CD4<100

esophagitis, white plaques on endoscopy,

Question 11

cryptococcuss neoformans

Answer 11

CD4<100

meningitis, thickly encapsulated yeast on india ink

Question 12

CMV

Answer 12

retinitis, esophagities with linear ulcerations

bx has owl eye inclusion bodies

Question 13

mycobacterium avium

Answer 13

CD4<100

anemia, increased alk phos, increase lact DH, HSM

Question 14

EBV

Answer 14

CD4<100

b cell lymphoma with single or multiple ring enhancing lesions on brain imaging

Question 15

toxoplasma gondii

Answer 15

CD4<100
brain abscesses that appear as multiple ring nehnacing leisions on MRI

MORE than seen in EBV mri