15 results
Important Fungal Stains
Mycology Lab:
 • Calcofluor white - Fluorochrome that binds glucans and chitin in fungal
polysaccharide capsule of Cryptococcus ... detection for cryptococcal ... mucopolysaccharide capsule of Cryptococcus ... #microbiology #microscopy ... fungus #comparison #table
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Culture Negative Abscess ... negative culture Brain ... : Aspergillus, Cryptococcus ... nocardia - Fungal: Cryptococcus ... Coccidiomycosis, Cryptococcus
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... Lung abscess ... Lung Abscess - Clinical ... shows a small, stable ... Dermatitidis - Cryptococcus
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
lesions • 80% with lung ... histoplasmosis, cryptococcus ... Syphilis • Pyogenic Abscess ... RingEnhancing #Lesions #Brain
Common Fungal Pathology 
 • Candida - Small yeast intermingled with pseudohyphae
 • Aspergillosis - Septate
broad based bud • Cryptococcus ... Pathology #clinical #microscopy ... #table #atlas #
Differential Diagnosis for Concurrent Brain and Lung Infections
 • Bacteria: Strep anginosus, Staph aureus, Klebsiella pneumoniae
for Concurrent Brain ... and Lung Infections ... Mucormycosis, Cryptococcus ... @ID_fellows #Brain ... #Lung #Infections
Concurrent Brain and Lung Lesions
 • Bacteria: Nocardia spp, Strep anginosus, Staph aureus, Klebsiella pneumoniae (hypervirulent),
Concurrent Brain ... and Lung Lesions ... Mucormycosis, Cryptococcus ... febrilepodcast #Brain ... #Lung #Infections
Concurrent Brain and Lung Lesions
 • Bacteria: Nocardia spp, Strep anginosus, Staph aureus, Klebsiella pneumoniae (hypervirulent),
Concurrent Brain ... and Lung Lesions ... Mucormycosis, Cryptococcus ... febrilepodcast #Brain ... #Lung #Infections
Lung Nodule - Differential Diagnosis Algorithm
Nodule on > 2 Years Without a Change in Size:
 •
Lung Nodule - Differential ... Diagnosis Algorithm ... Granuloma • Abscess ... polyangiitis (GPA) / microscopic ... Differential #Diagnosis #Algorithm
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
verrucous) • Lung ... Aspergillus • Cryptococcus ... suggests perivalvular abscess ... annular or aortic abscess ... Complications: Abscess