13 results
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
(LAM): uniform cysts ... bizarre shaped cysts ... #Clinical #Radiology ... #HRCT #CTChest ... Pattern #Comparison #Table
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
(LAM): regular cysts ... #Clinical #Radiology ... #HRCT #CTChest ... LowAttenuation #Cystic ... Pattern #Comparison #Table
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
low attenuation (table ... The cystic pattern ... When the cysts have ... seen and in many cases ... #Diagnosis #Radiology
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
early nodular stage ... before the typical cysts ... #Clinical #Radiology ... #HRCT #CTChest ... Pattern #Comparison #Table
Cystic versus Reticular
It can be difficult to determine whether we are dealing with a reticular pattern
The CXR is of a ... In many of such cases ... a HRCT will give ... #Clinical #Radiology ... #CXR #CTChest #
Mucoid impaction
Mucus plugs or mucoid impaction can mimick the appearance of lung nodules or a mass.
Sometimes
bronchiectasis, as in cystic ... bronchial obstruction caused ... CT demonstrated ... #Clinical #Radiology ... #CXR #CTChest #
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Clinical ... Blood cultures • CXR ... CT Lung Abscess ... antibiotics once stable ... shows a small, stable
Radiologists use many terms to describe areas of decreased density or lucencies within the lung, like
since in many cases ... we describe a chest ... visible wall #CXR ... #Differential #Table ... Pulmonary #Diagnosis #Radiology
Lung infarction
In pulmonar embolism it is not common to see consolidation.
The consolidation is a result of
cyst has formed ... pulmonary embolus has caused ... On the CT we can ... #Clinical #Radiology ... #CXR #CTChest #
Sarcoidosis - Diagnosis and Management Summary
Epidemiology
1) High incidence in Scandinavian countries (11-24 cases per 100,000 individuals
Diagnosis and Management ... renal failure Clinical ... e.g. incidental CXR ... Self-limiting, chronic but stable ... dyspnea, cough, chest