10 results
Amebiasis - Naegleria fowleri - Life Cycle
1) Cysts
2) Trophozoite
3) Flagellated Form
4) Promitosis
→ Water-related activities such as
Amebiasis - Naegleria ... migrate to the brain ... fowleri #LifeCycle #diagnosis ... pathophysiology #infectiousdiseases ... #cdc #parasite
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Chorioretinitis • Diagnosis ... • Nocardia • Parasitic ... RingEnhancing #Lesions #Brain ... #differential #diagnosis ... #causes #radiology
Cysticercosis - Taenia solium Life Cycle
1) Eggs or gravid proglottids in feces and passed into environment.
2)
intestinal tapeworm infection ... subcutaneous tissues, brain ... TaeniaSolium #LifeCycle #diagnosis ... pathophysiology #infectiousdiseases ... #cdc #parasite
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
HIV / AIDS - Differential ... Diagnosis Framework ... should be based on clinical ... #AIDS #opportunistic ... #InfectiousDiseases
HIV-Associated Neurocognitive Disorder (HAND)

Definition:
HIV-Associated Neurocognitive disorders categories:
• Asymptomatic neurocognitive impairment
• Mild neurocognitive impairment
• HIV dementia

Pathophysiology:
HIV frequently
early stages of infection ... Diagnosis: MRI ... Clinical Presentation ... : The clinical ... disorder #dementia #AIDS
Trypanosomiasis - Trypanosoma cruzi Life Cycle
1) Triatomine bug takes a blood meal (passes metacyclic trypomastigotes in
amastigotes in new infection ... Clinical manifestations ... Tcruzi #LifeCycle #diagnosis ... pathophysiology #infectiousdiseases ... #cdc #parasite
Neurocysticercosis (NCC) Summary
Pathogen: Larval stage of Taenia solium
Infection: Ingesting undercooked pork containing cysticerci in muscle tissue.
Taenia solium Infection ... Clinical Course: ... Brain calcifications ... Diagnosis: Patients ... #infectiousdiseases
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... - Differential Diagnosis ... possible in HIV PARASITIC ... #HIV #AIDS #pulmonary ... #infectiousdiseases
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
has five major clinical ... fungal stain of clinical ... yeast • At risk: AIDS ... • Sinusitis • Brain ... ) #Mycoses #InfectiousDiseases
Cryptococcal meningitis on T2 MRI
30 M from sub-Saharan Africa presents w/ progressive Headache x1 mo, +neck
Diagnosis? ... immunocompromised CD4 ... drained at time of diagnosis ... meningitis #T2 #MRI #Brain ... #clinical #radiology