10 results
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
Hypersensitivity pneumonitis ... Diagnosis #Radiology #Pulmonary ... #CTChest #Nodular ... NodularPattern #Differential ... #Comparison #Table
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Chronic Dyspnea - Differential ... Thickening/Masses Chest ... Pneumonia • ARDS ... Interstitium • ILD ... #Dyspnea #SOB #Differential
AIDS-defining illnesses
 - Candidiasis of the esophagus, bronchi, trachea, or lungs [(but NOT the mouth (thrush)]
AIDS-defining illnesses ... or bronchitis, pneumonitis ... tuberculosis, any site (pulmonary ... Illnesses #HIV #InfectiousDiseases ... Diagnosis #List #Differential
#radiology #ctchest #differential

Differential Diagnosis of Ground-glass Opacity.

Some abbreviations
HP: Hypersensitive pneumonitis
DIP: Desquamative interstitial pneumonia
PAP: Pulmonary alveolar proteinosis
MIA:
#radiology #ctchest ... #differential ... Hypersensitive pneumonitis ... pneumonia PAP: Pulmonary ... adenocarcinoma AIS
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Pulmonary Infections ... in HIV-AIDS Bacterial ... lymphoid interstitial pneumonitis ... /- High res CT chest ... diagnosis #evaluation #differential
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Infections in HIV - Differential ... • Pleuritic chest ... Infections #HIV #AIDS ... #pulmonary #differential ... #diagnosis #infectiousdiseases
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
chronic HP (right) Differential ... Hypersensitivity Pneumonitis ... Subacute stage: - RB-ILD ... Diagnosis #Radiology #CTChest ... #UIP #Comparison
Amiodarone Induced Lung Toxicity Summary

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

How?  Possible
organizing pneumonia, ARDS ... Pleuritic chest ... : Interstitial pneumonitis ... Exclusion of other ILDs ... : Interstitial pneumonitis
On the left a smoker with RB-ILD with subtle HRCT-findings.
The dominant pattern is ground glass opacification.
Additional
there is a broad differential ... probably would be pulmonary ... would expect more pulmonary ... hypersensitivity pneumonitis ... Clinical #Radiology #CTChest
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
• Domestic and wild ... Illnesses: • Pulmonary ... • Dyspnea, • Chest ... NTM #Infections #differential ... #diagnosis #infectiousdiseases