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The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
listed in the table ... Before we call these ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... ILD #Findings #RadiologyAssistant
Consolidation is synonymous with airspace disease.
When you think of the causes of consolidation, think of 'what
blood or tumor cells ... (Table on the left ... UIP, NSIP and long ... #Pulmonary #CTChest ... #Differential #RadiologyAssistant
When a rib fracture heals, the callus formation may create a mass-like appearance (blue arrow).
Sometimes a
fracture heals, the callus ... formation may create ... fracture from a lung ... #Clinical #Radiology ... #Pseudotumor #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
in interstitial lung ... low attenuation (table ... #Diagnosis #Radiology ... #Pulmonary #CXR ... #Differential #RadiologyAssistant
Size
A solitary pulmonary nodule (SPN) is defined as a single intraparenchymal lesion less than 3 cm
in diameter is called ... high risk for lung ... listed in the table ... #EBM #Radiology ... MalignancyRate #Rate #RadiologyAssistant
Cystic lung disease
Lung cysts are defined as radiolucent areas with a wall thickness of less than
as radiolucent areas ... listed in the table ... #Diagnosis #Radiology ... #Pulmonary #Cystic ... #Differential #RadiologyAssistant
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
event, follow ACC algorithm ... indicated • EKG ... Obtain EKG if: ... one post op Cardiology ... unless prior heart/lung
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
Thickening of the lung ... infiltration by cells ... differential diagnosis (Table ... #Diagnosis #Radiology ... #Differential #RadiologyAssistant
Langerhans Cell Histiocytosis (LCH)

Granulomatous Lesions comprising langerin-positive histiocytes and an inflammatory infiltrate can arise in virtually
for bone, skin, lungs ... SPECTRUM Common areas ... • Pulmonary Symptoms ... Birbeck granules (EM ... is crucial in pulmonary