21 results
Causes of Hemoptysis - Differential Diagnosis Algorithm
Massive Hemoptysis (>I00 mL in 24 hours)
 • Malignancy
 •
- Differential ... • Abscess/Mycetoma ... Malformation Normal CXR ... Infection • ... #Causes #Pulmonary
Hemoptysis - Differential Diagnosis Framework
Airways: 
 • Bronchitis
 • Bronchiectasis
 • Malignancy: Primary bronchogenic CA, Endobronchial
Bronchitis • Bronchiectasis ... Parenchyma: • Infection ... westermani, PNA, Lung ... #Diagnosis #pulmonary ... #causes
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
• 80% with lung ... Syphilis • Pyogenic Abscess ... #Brain #differential ... #diagnosis #causes ... #radiology #neurology
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... polymicrobial infection ... Abscess Diagnosis ... Abscess Differential ... #Abscess #pulmonary
CAVITY – a useful mnemonic for the causes of a cavitating lung mass.

C = cancer
mnemonic for the causes ... embolus I = infection ... - pulmonary abscess ... #Differential # ... Lung #Pulmonary
Right-Sided Heart Failure - Differential Diagnosis Algorithm
Cardiac Causes - Rule out Left-Sided Heart Failure (Most Common):
Heart Failure - Differential ... Diagnosis Algorithm ... Infection ... • Bronchiectasis ... #Differential #
Bronchiectasis - Permanent dilation of an airway
WHAT CAN YOU SEE ON CT?
1) Lack of tapering of
Bronchiectasis - ... CAN YOU SEE ON CT ... Immunodeficiency 3) Infection ... #pulmonary #diagnosis ... #differential #
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
in the adjacent lung ... of the affected lung ... high-resolution chest CT ... #pulmonary #differential ... #diagnosis
Lung Nodule - Differential Diagnosis Algorithm
Nodule on > 2 Years Without a Change in Size:
 •
Lung Nodule - Differential ... Granuloma • Abscess ... Metastases ("cannonball lesions ... Breast, Testicle) Infection ... #Causes #Pulmonary
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Pattern - Chest Radiology ... throughout the lungs ... diagnosis #pulmonary ... #CXR #clinical ... #CT