HIV Diagnosis - Sheet1 (1) Flashcards Preview

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Flashcards in HIV Diagnosis - Sheet1 (1) Deck (18):
1

-sxs: Low-grade fevers, cough, hepatosplenomegaly, tongue ulcer
-findings: oval yeast cells w/in macrophages, CD4 <100

Histoplasma capsulatum (causes only pulm sxs in immunocompetent host)

2

-sxs: Fluffy-white cottage-cheese lesions
-labs: pseudohyphae, Oral- CD4100

Candida albicans (thrush)

3

-sxs: Superficial vascular proliferation
-Neutrophilic inflammation

Bartonella henselae (Bacillary Angiomatosis)

(neutrophilic infiltration vs. lymphocytic in Kaposi's)

4

-sxs: chronic, watery diarrhea
-acid-fast cysts in stool, CD4<200

Cryptosporidum spp

5

-Sxs: Encephalopathy
-reactivation of latent virus--> demyelination. CD4<200

JC virus (Polyomavirus) --> PML

6

-sxs: abscess
-ring-enhancing lesions on MRI, CD4<100

Toxoplasmosis gondii

7

-sxs: Meningitis
-India ink stain: yeast w narrow-based budding, large capsule. CD4<50

Cryptococcus neoformans

8

-sxs: Retinitis
-cotton-wool spots on fundoscopic exam, may also occur w esophagitis. CD4<50

CMV

9

-sxs: Dementia

-must differentiate from other cuases bc it can be directly assoc w HIV

10

-sxs: Superficial neoplastic proliferation of vasculature
-Lymphocytic inflammation

HHV-8: Kaposi's sarcoma

(lymphocytic infiltration vs. neutrophilic in BA)

11

-Hairy leukoplakia
-often lateral tongue

EBV

12

-NHL (large cell/DLBCL)
-Often on oropharynx (Waldeyer's ring)

assoc w EBV

13

-Squamous cell carcinoma
-Often in anus (MSM), cervix (F)

HPV

14

-Primary CNS lymphoma
-Focal or multiple, must differeniate from toxo

assoc w EBV (burkitts* or DLBCL)

15

-Interstitial pneumonia
-Intranuclear (owl's eyes) inclusions

CMV

16

-Invasive aspergillosis
-Pleuritic pain, hemoptysis, infiltrates

Aspergillus fumigatus

17

-Pneumonia
-CD4<200

PCP: Pneumocysitis jirovecii

18

-TB-like ds
-CD4<50

Myocbacterium avium-intracellulare