10 results
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Cryptogenic Organizing ... Unknown • 6-7 cases ... - Diagnosis: ... #COP #BOOP #pulmonary ... #ILD #diagnosis
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
ILD caused by inhalation ... pneumonia (NSIP), Cryptogenic ... organizing pneumonia ... #diagnosis #differential ... #pulmonary #causes
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
• Infectious Causes ... Dermatomyositis, Lung ... granulomatosis, Cryptogenic ... organizing pneumonia ... #pulmonary
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
Differential diagnosis ... lobar pneumonia caused ... OP is organizing ... idiopathic it is called cryptogenic ... #Pulmonary #CXR
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
densities in both lungs ... the right lower lobe ... masses. ... the differential diagnosis ... of organizing pneumonia
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
indicates unknown cause ... idiopathic or cryptogenic ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... IdiopathicInterstitialPneumonia #ILD
Amiodarone Induced Lung Toxicity Summary

Who?
• 5% of patients
• Dose ≥ 400 mg per day

How?  Possible
Amiodarone Induced Lung ... eosinophilic pneumonia, organizing ... interstitial pneumonitis, organizing ... Exclude other causes ... Exclusion of other ILDs
Blastomycosis (Blastomyces): Gilchrist’s disease, Chicago disease - Summary Sheet
 • Morphology
 • Geography, Reservoir and Mode
- Sporadic cases ... presentation of TB, lung ... with an upper lobe ... disease - Mild ... #Blastomyces #diagnosis
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
• Domestic and wild ... status NTM Cause ... of right middle lobe ... Diagnosis Of NTM ... #differential #diagnosis
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
A 39-year-old ... Several of the diagnoses ... does a better job ... Most commonly caused ... Radiology #CTChest #Lung