38 results
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
responses of the lung ... indicates unknown cause ... involvement of the lung ... Diagnosis #Radiology #Pulmonary ... #RadiologyAssistant
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
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- Emphysema - Lung ... Honeycombing Most diseases ... basis of HRCT findings ... Diagnosis #Radiology #Pulmonary ... Emphysema #SignetRing #RadiologyAssistant
Ground Glass Opacities on Lung CT - Pathophysiology
Ground glass opacity lung is denser (whiter) than normal
CT - Pathophysiology ... often, GGO is caused ... alveoli, so the finding ... exam and other findings ... #pulmonary #ChestCT
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
disease or CHF) ... Abnormal physical findings ... refer + order CT ... disease #Chronic ... Diagnosis #Algorithm #causes
Consolidation is synonymous with airspace disease.
When you think of the causes of consolidation, think of 'what
with airspace disease ... you think of the causes ... UIP, NSIP and long ... Diagnosis #Radiology #Pulmonary ... #Differential #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
about imaging findings ... in interstitial lung ... disease comes from ... Diagnosis #Radiology #Pulmonary ... #Differential #RadiologyAssistant
Based on the images alone, it is usually not possible to determine the cause of the
determine the cause ... findings. ... nodular interstitial lung ... disease, that is ... #RadiologyAssistant
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
life-threatening diseases ... Other tests: • CT ... FINDINGS: • AAV ... sparing of the lung ... seen on chest CT
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... • Periodontal disease ... seen • Chest CT ... #Abscess #pulmonary ... #differential #causes
Bronchiectasis - Permanent dilation of an airway
WHAT CAN YOU SEE ON CT?
1) Lack of tapering of
CAN YOU SEE ON CT ... involving both lungs ... WHAT ARE COMMON CAUSES ... Rheumatologic/Autoimmune diseae ... Bronchiectasis #pulmonary