ID - associations

Question 1

in HIV: low grade fever, cough, HSM, tongue ulcer

Answer 1

histoplasma capsulatumpath: oval yeast cells within MPhagesCD4<100

Question 2

in HIV: fluffy white cottage cheese lesions

Answer 2

C albicanspseudohyphaeoral if CD4 < 100

Question 3

in HIV: Superficial vascular proliferation

Answer 3

Bartonella henselae (bacillary angiomatosis)can be confused with Kaposi’s but bx will reveal neutrophilic inflamm (vs lympho)

Question 4

in HIV: chronic, water diarrhea

Answer 4

cryptosporidium sppacid-fast cysts in stool especially CD4 < 200

Question 5

in HIV: encephalopthy

Answer 5

JC virus (PML)due to reactivation of latent virus, demyelination. CD4 < 200

Question 6

in HIV: CNS abscesses

Answer 6

toxoplasma ring-enhancingCD4 < 100

Question 7

in HIV: meningitis

Answer 7

cryptococcus neoformansIndia ink stain reveals yeast with narrow-based budding and large capsuleCD4 < 50

Question 8

in HIV: Retinitis

Answer 8

CMVcotton-wool spots on fundoscopic exam, may also have esophagitisCD4 <50

Question 9

In HIV: dementia

Answer 9

must differentiate from other causes but directly associated with HIV

Question 10

in HIV: superificial neoplastic proliferation of vasculature

Answer 10

HHV-8 Kaposi’s sarcoma. do not confuse with bacillary angiomatosis (b henselae). lympho vs neutro inflamm

Question 11

in HIV: hairy leukoplakia

Answer 11

EBVlateral tongue

Question 12

in HIV: non-hodgkin’s lymphoma (large cell type)

Answer 12

EBVoften oropharynx (Waldeyer’s ring)

Question 13

in HIV: SCC

Answer 13

HPVoften in anus of MSM or cervix

Question 14

in HIV: primary CNS lymphoma

Answer 14

EBVFocal or multipledifferentiate from toxo