16 results
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
ILD caused by inhalation ... • Idiopathic pulmonary ... pneumonia (NSIP), Cryptogenic ... #diagnosis #differential ... #pulmonary #causes
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Unknown • 6-7 cases ... - Imaging: • CXR ... other processes Workup ... strep, HIV • CTD workup ... #ILD #diagnosis
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
Differential Diagnosis ... Causes: Mucormycosis ... Causes: Granulomatosis ... Dermatomyositis, Lung ... granulomatosis, Cryptogenic
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Pulmonary Infections ... failure, COPD, Lung ... Evaluation: Imaging (CXR ... #workup #diagnosis ... #evaluation #differential
Causes of Interstitial Lung Disease - Differential Diagnosis Algorithm
Idiopathic Interstitial Pneumonia
 • (UIP) Usual Interstitial Pneumonia
Causes of Interstitial ... Differential Diagnosis ... intersitial space Infection ... #Diseases #ILD ... #Causes #Differential
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
Differential diagnosis ... lobar pneumonia caused ... idiopathic it is called cryptogenic ... Diagnosis #Radiology #Pulmonary ... #CXR #Consolidation
Radiologists use many terms to describe areas of decreased density or lucencies within the lung, like
since in many cases ... are trying to figger ... visible wall #CXR ... #Lucency #Differential ... #Pulmonary #Diagnosis
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
polymicrobial infection ... Blood cultures • CXR ... #Abscess #pulmonary ... #differential # ... causes #management
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Most Common Causes ... Physical stigmata of cor ... in the adjacent lung ... of the affected lung ... #differential #
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
• Domestic and wild ... status NTM Cause ... Illnesses: • Pulmonary ... complicate MAC pulmonary ... #differential #