15 results
Causes of CSF Lymphocytic Pleocytosis - Differential Diagnosis
Viral: Arbo, Adeno, Herpes, Entero, HIV
Fungal: Cryptococcus, Cocci, Histo,
Causes of CSF Lymphocytic ... Sporothrix Bacterial: Mycobacteria ... (TB), M.pneumonia ... Differential #Diagnosis #Causes ... #neurology
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Causes of Culture ... antibiotics as a cause ... negative culture Brain ... - Acid-Fast: Mycobacteria ... Differential #Diagnosis #InfectiousDiseases
Causes of Encephalopathy - Differential Diagnosis Algorithm
Hyperacute:
 - Primary Neurologic: Vascular (IS, ICH), Seizure, Migraine, Trauma
Causes of Encephalopathy ... Acute: - Primary Neurologic ... Neoplasm-related (brain ... Infectious (fungal, TB ... Diagnosis #Algorithm #Causes
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
including: M, avium, TB ... RingEnhancing #Lesions #Brain ... differential #diagnosis #causes ... #radiology #neurology
Concurrent Brain and Lung Lesions
 • Bacteria: Nocardia spp, Strep anginosus, Staph aureus, Klebsiella pneumoniae (hypervirulent),
Concurrent Brain ... Non-tuberculous mycobacteria ... febrilepodcast #Brain ... Differential #Diagnosis #causes ... #infectiousdiseases
Concurrent Brain and Lung Lesions
 • Bacteria: Nocardia spp, Strep anginosus, Staph aureus, Klebsiella pneumoniae (hypervirulent),
Concurrent Brain ... Non-tuberculous mycobacteria ... febrilepodcast #Brain ... Differential #Diagnosis #causes ... #infectiousdiseases
Rhombencephalitis
BACTERIAL
- Listeria (biphasic illness with bulbar dysfunction occurring later)
- Mycobacterium tuberculosis
- Pneumococcus
- Brucella
- Borrelia (Lyme Disease)
-
occurring later) - Mycobacterium ... opsoclonus-myoclonus syndrome - brain ... Differential #Diagnosis #Causes ... #Neurology
Neurological Manifestations of Tuberculosis
Spinal Arachnoiditis & Polyradiculopathy:
 • Subacute onset of limb weakness, bladder/bowel dysfunction, muscle
contrast enhancement Brain ... with pulmonary TB ... neurological symptoms • Caused ... #differential #TB ... #neurology
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
Nontuberculous Mycobacteria ... status NTM Cause ... Kansasii: • Mimics TB ... diagnosis • Microbiologic ... differential #diagnosis #infectiousdiseases
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
CD4 Count: • Mycobacterium ... avium, Mycobacterium ... factor • May cause ... infiltrates, mimicking TB ... differential #diagnosis #infectiousdiseases