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Micro HIV
| Question | Answer |
|---|---|
| low grade fevers, cough, hepatosplenomegaly, tongue ulcer | histoplasma |
| fluffy white cottage cheese lesions | Candida causes thrush |
| superficial vascular proliferation | bartonella |
| biopsy reveals neutrophilic inflammation | bartonella henselae |
| chronic watery diarrhea | cryptosporodium |
| acid fast cysts seen in stool esp when CD4 < 200 | cryptosporidiium |
| encephalopathy in HIV | JV virus reactivation (cause of PML) |
| due to reactivation of a latent virus; results in demyelination, CD4 < 200 | JC virus reactivation |
| abscesses in HIV brain | toxoplasma gondii |
| meningitis in HIV | cryptococcus (may also cause encephalitis) |
| india ink stain reveals yeast with narrow based budding and large capsule CD4 < 50 | cryptococcus neoformans (may also cause encephalitis) |
| retinitis in HIV | CMV |
| cotton wool spots on funduscopic exam and may also occur with esophagitis, CD4 < 50 | CMV |
| HIV dementia | directly associated with HIV must differentiate from other causes |
| superficial neoplastic proliferation of vascularture | HHV (causes kaposi's sarcoma), do not confused with B. henselae |
| biopsy reveals lymphocyte inflammation | HHV-8 (kaposi's) |
| hairy leukoplakia | EBV |
| often on lateral tongue of HIV | EBV |
| non hodgkin's lymphoma (large cell type) | EBV often on oropharynx (waldeyer's ring) |
| squamous cell carcinoma | HPV often in anus (MSM) cervix (females) |
| primary CNS lymphoma | EBV focal or multiple differentiate from toxo |
| interstitial pneumonia | CMV |
| biopsy reveals cells with intranuclear (owl eye) inclusion bodies | CMV |
| invasive aspergillosis | Aspergillus |
| pleuritc pain, hemoptysis, infiltrates on imaging | aspergillus |
| peumonia in HIV | esp with CD4 <200 PCP |
| TB like disease | esp with CD4 < 50 MAI |
| oval yeast cells within macrophages CD4 <100 | HIstoplasma |
| pseudohyphae, commonly oral if CD4 < 400 esphageal if CD4 < 100 | Candida |