21 results
Cavitary Lung Disease - Differential Diagnosis and Workup Algorithm
Acute / Subacute:
 • Acute Infections: Lung abscess,
Diagnosis and Workup ... : Lung abscess, ... : TB, NTB, Fungal ... #Algorithm #lesion ... #pulmonary #differential
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
toxo IgG • CNS PCR ... including: M, avium, TB ... Infectious: ... Syphilis • Pyogenic Abscess ... #Brain #differential
Liver infections and imaging findings
 - Pyogenic Liver Abscess
 - Amebic Abscess
 - Cholangitic Microabscesses
Liver infections ... Abscess - Amebic ... lesions: Hepatic ... imaging #radiology #Differential ... #Ddx #Diagnosis
CAVITY – a useful mnemonic for the causes of a cavitating lung mass.

C = cancer
embolus I = infection ... - pulmonary abscess ... (TB, fungal, staph ... Mnemonic #Cavitary #Lesions ... #Differential #
Hemoptysis - Differential Diagnosis Framework
Airways: 
 • Bronchitis
 • Bronchiectasis
 • Malignancy: Primary bronchogenic CA, Endobronchial
Fistulas • Dieulafoy lesion ... Parenchyma: • Infection ... : TB, Paragonimus ... westermani, PNA, Lung abscess ... #Diagnosis #pulmonary
Fever in Returning Travelers from Tropical Regions - Frequent Differential Diagnoses
Medical History:
 • Skin exposure to
- Frequent Differential ... Diagnoses Medical ... without genital lesions ... melioidosis, typhoid, pulmonary ... #diagnosis #tropical
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
lesions • Malnutrition ... emboli • Lung abscess ... Tuberculosis Diagnosis ... staining, NAA (PCR ... #Diagnosis #Management
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... polymicrobial infection ... residual lesion ... Differential Diagnosis ... #pulmonary #differential
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
lesions • Malnutrition ... emboli • Lung abscess ... Tuberculosis Diagnosis ... staining, NAA (PCR ... #Diagnosis #Management
Liver Abscess and Mimics - Differential Diagnosis
Most Common: Polymicrobial, E Coli, Klebsiella, Strep/Enterococcus, Staph, Anaerobes
Infectious Differential:
Liver Abscess and ... Diagnosis Most ... - Bacterial: TB, ... #Abscess #Differential ... #Diagnosis #hepatology