7 results
Fungal biomarkers
Beta-d-glucan
Aspergillus galactomannan

By Dr. Sara Dong @swinndong via Febrile [febrilepodcast.com]

#ID  #Infectious Diseases  #Infections
#Differential #Ddx
Fungal biomarkers ... Beta-d-glucan Aspergillus ... #Infections #Differential ... #Fungi #BDG #BDGlucan ... galactomannan #Aspergillus
Fungal Biomarkers: Beta-D-Glucan and Aspergillus Galactomannan
Beta-D-Glucan:
 • Polysaccharide cell wall component of many fungi
 • Pathogens:
Fungal Biomarkers ... component of many fungi ... cut-offs defined in clinical ... GM does not differentiate ... #Biomarkers #BetaDGlucan
Invasive Aspergillus (IA) - Diagnosis and Management
Aspergillus is ubiquitous in nature. Most invasive infections are caused
HIV/AIDS, CGD) Clinical ... in SOT pts) • BAL ... this morphology Treatment ... Diagnosis #Management #treatment ... #fungal #infectiousdiseases
1,3-Beta-D-Glucan and Galactomannan Testing Sensitivity Specificity and False Positives
1,3-Beta-D-Glucan
 • Cell wall component of many fungi
component of many fungi ... cut-offs defined in clinical ... >90% (In most clinical ... does not differentiate ... closely related fungi
Empyema Necessitans (EN) on Chest Wall Physical Examination

Pulmonary teaching case: you are called to the bedside
most common) - Fungus ... , Blastomyces, Aspergillus ... Fusobacterium Treatment ... covering the right bug ... #PhysicalExam #clinical
Majocchi’s Granuloma due to Trichophyton rubrum 
This is GMS stain and culture of a skin biopsy
Treatment: Itraconazole ... Non-dermatophytes: Aspergillus ... Majocchi granuloma Treatment ... recommended Mayo Clinic ... #photo #microscopy
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
body • Bird and bat ... has five major clinical ... Diagnosis: • Direct fungal ... stain of clinical ... ASPERGILLOSIS • Aspergillus