HIV-associated Diseases

Question 1

Oval yeast cells within macrophages, CD4 <100, low-grade fevers, cough, HSM, tongue ulcer?

Answer 1

Histoplasmosis capsulatum (causes only pulmonary sxs in immunocompetent hosts)

Question 2

CD4 count for oral candidiasis?

Answer 2

<400

Question 3

CD4 count for esophageal candidiasis?

Answer 3

<100

Question 4

Superficial vascular proliferation, biopsy revealing neutrophilic inflammation?

Answer 4

Bartonella henselae (causes bacillary angiomatosis)

Question 5

Chronic, watery diarrhea?

Answer 5

Crytosporidium

Question 6

CD4 count for Cryptosporidium?

Answer 6

<200

Question 7

Reactivation of latent virus resulting in demyelination?

Answer 7

JC virus reactivation–PML

Question 8

CD4 count for PML?

Answer 8

<200

Question 9

Abcesses, ring enhancing lesions on brain imaging?

Answer 9

Toxoplasma gondii

Question 10

CD4 count for Toxoplasmosis?

Answer 10

<100

Question 11

Most common cause of meningitis?

Answer 11

Cryptococcus

Question 12

CD4 count for Cryptococcus meningitis?

Answer 12

<50

Question 13

Biopsy revealing narrow based budding and large capsule?

Answer 13

Cryptococcus

Question 14

Cotton wool spots on fundoscopic exam?

Answer 14

CMV

Question 15

CD4 count for CMV?

Answer 15

<50

Question 16

Superficial proliferation of vasculature, biopsy revealing lymphocytic inflammation?

Answer 16

Kaposi’s

Question 17

Plaques on lateral tongue?

Answer 17

Hairy leukoplakia (EBV)

Question 18

Tumor found at Waldeyer’s ring?

Answer 18

Non-Hodgkin’s lymphoma large cell type

Question 19

Anal/cervical cancer?

Answer 19

HPV–squamous cell carcinoma

Question 20

Focal or multiple ring enhancing lesions on brain imaging, EBV infection?

Answer 20

Primary CNS lymphoma

Question 21

Biopsy of lung revealing intranuclear inclusion bodies?

Answer 21

CMV–interstitial pneumonia

Question 22

Pleuritic pain, hemoptysis, infiltrates on imaging?

Answer 22

Invasive aspergillosis

Question 23

CD4 count for Pneumocystis pneumonia?

Answer 23

<200

Question 24

CD4 count for TB-like dz?

Answer 24

<50 = M. avium-intracellulare