14 results
Common Fungal Pathology 
 • Candida - Small yeast intermingled with pseudohyphae
 • Aspergillosis - Septate
broad based bud • Cryptococcus ... neoformans - Narrow ... clinical #microscopy #table
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Compatible syndrome + MRI ... histoplasmosis, cryptococcus ... RingEnhancing #Lesions #Brain
Differential Diagnosis for Concurrent Brain and Lung Infections
 • Bacteria: Strep anginosus, Staph aureus, Klebsiella pneumoniae
for Concurrent Brain ... Mucormycosis, Cryptococcus ... neoformans, Histoplasmosis ... @ID_fellows #Brain
Concurrent Brain and Lung Lesions
 • Bacteria: Nocardia spp, Strep anginosus, Staph aureus, Klebsiella pneumoniae (hypervirulent),
Concurrent Brain ... Mucormycosis, Cryptococcus ... neoformans, Histoplasmosis ... febrilepodcast #Brain
Concurrent Brain and Lung Lesions
 • Bacteria: Nocardia spp, Strep anginosus, Staph aureus, Klebsiella pneumoniae (hypervirulent),
Concurrent Brain ... Mucormycosis, Cryptococcus ... neoformans, Histoplasmosis ... febrilepodcast #Brain
Syncope Diagnostic Testing and Evaluation: Cost Effectiveness
Frequency obtained - Abnormal findings - Helped determine etiology of
Carotid U/S, EEG, Brain ... MRI, Cardiac stress ... Effectiveness #table
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
heart valves • MRI ... brain for cerebral ... often seen • MRI ... brain for cerebral ... Marantic #diagnosis #table
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
pneumonia (PJP), MAI ... , Cryptococcal pneumonia ... nodules, plaques) Cryptococcus ... Neoformans Pneumonia ... involvement MAI
Hemiballismus on Physical Exam secondary to Cryptococcal fungal infection
MRI showed 2 pockets of infection on both
Exam secondary to Cryptococcal ... fungal infection MRI ... both sides of his brain
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
Fluconazole CRYPTOCOCCUS ... transplantation • MCC: C. neoformans ... level, presence of cryptococcal ... CSF and serum Cryptococcal ... • Sinusitis • Brain