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16 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Low-grade fevers, cough, hepato-splenomegaly
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Histoplasma capsulatum (causes only pulmonary symptoms in immunocompetent hosts)
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Oval yeast cells within macrophages |
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Fluffy white cottage-cheese lesions
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C. albicans (causes thrush)
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Often on buccal mucosa |
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Superficial vascular proliferation
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Bartonella henselae (causes bacillary angiomatosis)
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Biopsy reveals neutrophilic inflammation |
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Superficial neoplastic proliferation of vasculature
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HHV-8 (causes Kaposi’s sarcoma)
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Biopsy reveals lymphocytic inflammation |
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Chronic, watery diarrhea
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Cryptosporidium spp.
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Acid-fast cysts seen in stool |
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Meningitis
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Cryptococcus neoformans (may also cause encephalitis)
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India ink stain reveals narrow-based budding |
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Encephalopathy
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JC virus (cause of PML)
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Due to reactivation of a latent virus; results in demyelination |
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Abscesses
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Toxoplasma gondii
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Many ring-enhancing lesions on imaging |
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Retinitis
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CMV
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Cotton-wool spots on funduscopic exam |
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Hairy leukoplakia
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EBV
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Often on lateral tongue |
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Non-Hodgkin’s lymphoma (large cell type)
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EBV
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Often on oropharynx (Waldeyer’s ring) |
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Squamous cell carcinoma
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HPV
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Often in anus (MSM) or cervix (females) |
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Interstitial pneumonia
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CMV
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Biopsy reveals cells with intranuclear and cytoplasmic inclusion bodies |
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Invasive aspergillosis
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Aspergillus fumigatus
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Pleuritic pain, hemoptysis, infiltrates on imaging |
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Pneumonia
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Pneumocystis jiroveci (formerly carinii)
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Especially with CD4 < 200 cells/mm3 |
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Tuberculosis-like disease
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Mycobacterium avium– intracellulare
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Especially with CD4 < 50 cells/mm3 |
