34 results
Important Fungal Stains
Mycology Lab:
 • Calcofluor white - Fluorochrome that binds glucans and chitin in fungal
exceptions are Aspergillus ... polysaccharide capsule of Cryptococcus ... detection for cryptococcal ... mucopolysaccharide capsule of Cryptococcus ... fungus #comparison #table
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Negative Abscess - Differential ... negative culture Brain ... , Cryptococcus, ... nocardia - Fungal: Cryptococcus ... Coccidiomycosis, Cryptococcus
Fungal Pneumonias - Diagnosis Comparison Table
 • Aspergillus
 • Blastomyces
 • Candida
 • Coccidioides
 • Cryptococcus
Diagnosis Comparison Table ... • Aspergillus ... Coccidioides • Cryptococcus ... Diagnosis #Comparison #Table
Concurrent Brain and Lung Lesions
 • Bacteria: Nocardia spp, Strep anginosus, Staph aureus, Klebsiella pneumoniae (hypervirulent),
Concurrent Brain ... and Lung Lesions ... ) • Fungi: Aspergillus ... Mucormycosis, Cryptococcus ... #Concurrent #Differential
Concurrent Brain and Lung Lesions
 • Bacteria: Nocardia spp, Strep anginosus, Staph aureus, Klebsiella pneumoniae (hypervirulent),
Concurrent Brain ... and Lung Lesions ... ) • Fungi: Aspergillus ... Mucormycosis, Cryptococcus ... #Concurrent #Differential
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
lesions • 80% with lung ... histoplasmosis, cryptococcus ... , and aspergillus ... RingEnhancing #Lesions #Brain ... #differential #
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
CD4 < 200: PCP, Aspergillus ... (Histoplasma, Cryptococcus ... failure, COPD, Lung ... ABG, BDG, Serum Cryptococcal ... diagnosis #evaluation #differential
Differential diagnosis of Skin + Eye infections
 • Bacterial: Staph spp, Strep spp, Pseudomonas spp, Bartonella,
Differential diagnosis ... : Candida spp, Aspergillus ... spp, Cryptococcus ... InfectiousDiseases #Infections #Differential
Fungal Biomarkers: Beta-D-Glucan and Aspergillus Galactomannan
Beta-D-Glucan:
 • Polysaccharide cell wall component of many fungi
 • Pathogens:
Beta-D-Glucan and Aspergillus ... - Negative: Cryptococcus ... Paecilomyces, Cryptococcus ... BAL GM does not differentiate ... Clav (may be + as long
Radiographic appearances of pulmonary diseases in HIV/AIDS Patients
 • Diffuse Interstitial Infiltrates: Pneumocystis jirovecii, M.tuberculosis, Histoplasma
Coccidioides spp., Cryptococcus ... C.neoformans, Aspergillus ... Actinomyces spp., NHL; Lung ... C.neoformans, R.equi, Aspergillus ... pulmonary #diseases #differential