18 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
• 80% with lung ... including: M, avium, TB ... #Brain #differential ... diagnosis #causes #radiology ... #neurology
Cavitary Lung Disease - Differential Diagnosis and Workup Algorithm
Acute / Subacute:
 • Acute Infections: Lung abscess,
- Differential ... Emboli, Fungal Infection ... : TB, NTB, Fungal ... Diagnosis #Algorithm #lesion ... #pulmonary #differential
CNS Ring-Enhancing Lesions - Differential Diagnosis
 • Infections: Cerebral abscess (bacterial, fungal, parasitic), Neurocysticercosis, Tuberculoma, Cerebral
- Differential ... Diagnosis • Infections ... Malignancy: Metastases (lung ... Diagnosis #neurology ... #radiology
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Pulmonary Infections ... failure, COPD, Lung ... < 200: Pulmonary ... Fungal, AFB), TB ... diagnosis #evaluation #differential
CAVITY – a useful mnemonic for the causes of a cavitating lung mass.

C = cancer
embolus I = infection ... (TB, fungal, staph ... Mnemonic #Cavitary #Lesions ... #Differential # ... Lung #Pulmonary
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
tuberculosis (LTBI) Pathophysiology ... affecting the lungs ... lesions • Malnutrition ... • Lymphoma • Lung ... • Progressive lung
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
tuberculosis (LTBI) Pathophysiology ... affecting the lungs ... lesions • Malnutrition ... • Lymphoma • Lung ... • Progressive lung
Hemoptysis - Differential Diagnosis Framework
Airways: 
 • Bronchitis
 • Bronchiectasis
 • Malignancy: Primary bronchogenic CA, Endobronchial
Hemoptysis - Differential ... Fistulas • Dieulafoy lesion ... Parenchyma: • Infection ... : TB, Paragonimus ... westermani, PNA, Lung
Neurological Manifestations of Tuberculosis
Spinal Arachnoiditis & Polyradiculopathy:
 • Subacute onset of limb weakness, bladder/bowel dysfunction, muscle
ring-enhanced lesion ... ring-enhancement lesion ... TB • Many possible ... Tuberculosis #diagnosis #differential ... #TB #neurology
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
polymicrobial infection ... Abscess Pathophysiology ... stable residual lesion ... westermani • Other: TB ... #Abscess #pulmonary