20 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
interstitial lung disease ... there are four patterns ... low attenuation (table ... seen and in many cases ... #Differential #RadiologyAssistant
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... Radiology #HRCT #CTChest ... #Nodular #Pattern ... #Comparison #Table ... #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
the left some diseases ... with a nodular pattern ... Radiology #Pulmonary #CTChest ... #Nodular #Pattern ... #RadiologyAssistant
Here are the most common examples of these four patterns on a chest x-ray (click image
of these four patterns ... on a chest x-ray ... Nodule - Multiple Masses ... Consolidation #Patterns ... #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
indicates unknown cause ... listed in the table ... specific patterns ... realise, that these patterns ... Radiology #Pulmonary #CTChest
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
diagnosis The table ... to look at the pattern ... more than one pattern ... lobar pneumonia caused ... #RadiologyAssistant
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Differential Diagnosis Algorithm ... • Sub-Valvular Disease ... Coronary Artery Disease ... • Stable Angina ... Interstitium • ILD
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
is a reticular patern ... recognized that this pattern ... was caused by multiple ... many inhalational diseases ... Histiocytosis #Cystic #RadiologyAssistant
Cystic versus Reticular
It can be difficult to determine whether we are dealing with a reticular pattern
with a reticular pattern ... or a cystic pattern ... called a cystic disease ... or a reticular pattern ... Radiology #CXR #CTChest
Alveolar proteinosis is a rare disease characterized by filling of the alveolar spaces with PAS positive
proteinosis is a rare disease ... suggestive HRCT pattern ... 30 and 50 years old ... Clinical #Radiology #CTChest ... #CrazyPaving #RadiologyAssistant