10 results
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Negative Abscess ... Scedosporium, endemic fungi ... Toxoplasmosis, Entamoeba Skin ... - Non-Infectious ... #Negative #Abscess
Disseminated Cutaneous Blastomycosis- A fungal culture of skin tissue was negative; however, a skin biopsy showed
- A fungal culture ... intraepidermal neutrophilic abscesses ... infection of Blastomyces ... #clinical #photo ... #derm #NEJM #cutaneous
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Summary Lung ... polymicrobial infection ... Lung Abscess - Clinical ... • Sputum/Blood cultures ... Prevotella • Fungal
Blastomycosis Summary

Pathogen: 
 • Dimorphic fungus - Blastomyces dermatitidis or Blastomyces gilchristii.
 • The fungus lives
Blastomycosis Summary ... • Dimorphic fungus ... • The fungus ... tissue 2) Culture ... #diagnosis #management
Tinea Capitis in a Newborn- A 3-week-old male newborn was brought to the pediatrician with three
Somalia, had similar skin ... Tinea capitis, a fungal ... infection of the ... #clinical #photo ... #NEJM #tinea #capitis
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
has five major clinical ... osteomyelitis or skin ... stain of clinical ... Sinusitis • Brain abscess ... #Diagnosis #Management
Majocchi’s Granuloma due to Trichophyton rubrum 
This is GMS stain and culture of a skin biopsy
of a skin biopsy ... plaques, pustules, abscess ... Fungal infection ... recommended Mayo Clinic ... #photo #microscopy
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
(NTM) • Fungal ... emboli • Lung abscess ... • Tuberculin skin ... NAA (PCR) and Culture ... TB #Diagnosis #Management
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
(NTM) • Fungal ... emboli • Lung abscess ... • Tuberculin skin ... NAA (PCR) and Culture ... TB #Diagnosis #Management
Pyoderma Gangrenosum in Ulcerative Colitis- ...left chest (Panel A) and leg (Panel B). The physical examination
inflammatory-cell infiltrate, abscess ... examination and cultures ... for bacterial, fungal ... #clinical #photo ... #NEJM #pyoderma