14 results
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Causes of Culture ... Negative Abscess ... - Differential ... Toxoplasmosis, Entamoeba Skin ... Diagnosis #InfectiousDiseases
Ear Pain (Otalgia) - Differential Diagnosis Framework

Primary Otalgia 
 - Pain that originates from the ear
Pain (Otalgia) - Differential ... Cholesteatoma • Basal/squamous ... cell CA • Melanoma ... (caries, abscess ... Otalgia #Ear #Pain #Otology
Blastomycosis Summary

Pathogen: 
 • Dimorphic fungus - Blastomyces dermatitidis or Blastomyces gilchristii.
 • The fungus lives
Blastomycosis Summary ... Lesion may mimic squamous ... cell carcinoma ... #diagnosis #management ... #treatment #infectiousdiseases
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
HIV / AIDS - Differential ... Antimicrobial treatment ... tuberculomas, or abscesses ... Demyelinating disease caused ... opportunistic #InfectiousDiseases
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
just beneath the skin ... petechiae) • Frequent infections ... • Parvovirus infection ... blood count with differential ... diagnosis #hematology #oncology
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
status NTM Cause ... Pulmonary • Skin ... Advanced HIV (CD4 cell ... #differential # ... diagnosis #infectiousdiseases
Aplastic Anemia - Overview

Who?
• M = F
• 3 peaks:	1) Childhood	2) 15-25 years	3) >60 years

What?
• Aplastic anemia
Headaches • Pale skin ... and petechiae Causes ... aplastic anemia Treatment ... Aplastic #Anemia #oncology ... hematology #diagnosis #management
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... in HIV - Differential ... tuberculosis, Blastomycosis ... #HIV #AIDS #pulmonary ... diagnosis #infectiousdiseases
Immune Reconstitution Inflammatory Syndrome - Overview of IRIS

What Is IRIS?
	• A state of hyperinflammatory response that
of HIV/AIDS patients ... increase in CD4+ cells ... osteomyelitis, cutaneous abscesses ... cavitating pneumonia, skin ... #Diagnosis #Management
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
yeast • At risk: AIDS ... Sinusitis • Brain abscess ... becomes a yeast cell ... ) #Mycoses #InfectiousDiseases ... Fungal #Diagnosis #Management